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What follows is a complete Fallout timeline of all events from every game.
Note that the Fallout world is not our own, but rather one that has diverged from ours soon after World War II. So, while it takes place in the future, it is not our future, but a future as imagined in traditional 1950s-style science fiction.
Note that the timeline is only for the chronological sequence of the Fallout world events; birthdates are not allowed here and must be put in the birthdates page.
Behind the scenes
This timeline includes all dates seen or mentioned in Fallout, Fallout 2, Fallout 3, Fallout: New Vegas, Fallout 4, Fallout 76, Fallout Tactics and Fallout: Brotherhood of Steel, in all Fallout official game guides, in the Fallout Bible as well as Van Buren design documents.
11th century: 1066
20th century: 1948 | 1949 | 1952 | 1960 | 1961 | 1967 | 1968 | 1969 | 1978 | 1992
2078 | 2079
- Four thousand years before the earliest human civilizations emerge in Mesopotamia, Ubar thrives in the region known to humans as the Rub' al Khali.
- October 14: The Battle of Hastings is fought in England as part of the Norman conquest, led by William the Conqueror.
- The Magna Carta was signed by King John of England and English barons, greatly limiting his authority as king and placing more power into the hands of the feudal government.
- Sometime during the Tokugawa shogunate, starting on March 24, 1603, Toshiro Kago is abducted by mothership Zeta from Japan.
- March 25: Lord Baltimore of the Irish House of Lords dispatched the first colonists to Maryland. They would land near the area that would later become Point Lookout aboard two ships, the Ark and the Dove.
- Boston Common is established.
- The Paul Revere House is built in Boston, eventually becoming the oldest standing building in the entire city.
- The Great Fire occurs in Boston.
- Cabot House is built on Louisburg Square in the Beacon Hill neighborhood of Boston.
- The Old State House is constructed in Boston, eventually becoming the oldest public building in the city.
- The Soil Stradivarius among all the other instruments were created by the Italian music instrument craftsman Antonio Stradivari.
- The Old North Church is built in Boston, eventually becoming the oldest standing church in the city.
- The construction of Faneuil Hall is completed and donated to the city of Boston by Peter Faneuil.
- May 25: Shem Drowne creates The Gilded Grasshopper weather vane. It establishes on the top of Faneuil Hall.
- The city of Boston received damage in the Cape Ann earthquake. Among the damaged structures was Faneuil Hall, its weathervane fell from atop its cupola. The damage was repaired, and its weathervane was repaired and remounted by its maker Shem Drowne and his son Thomas.
- June 28: Gilded grasshopper weather vane has been restored and returned on the top of the Faneuil Hall top by Thomas Drowne.
- March 5: The Boston Massacre occurs outside Custom House Tower in Boston.
- Paul Revere buys what later becomes known as the Paul Revere House, where he will live with his family until 1800.
- April 18: Lieutenant Colonel Francis Smith marches with 700 British Army soldiers to Concord in an attempt to disarm rebels there. Robert Newman climbs the Old North Church and lights two lanterns to warn patriots of the soldiers.
- April 19: The American Revolutionary War began with the Battles of Lexington and Concord.
- June 17: The Battle of Bunker Hill occurs in Boston.
- July 4: The American colonies Declaration of Independence is adopted by the Second Continental Congress, expressing general discontent toward British rule and announced the United States' intent to independently govern itself.
- April 19, 1775 – March 17, 1776: The Siege of Boston concluded with the British withdrawing from the city of Boston.
- September 17: The Constitution of the United States was signed by the Constitutional Convention in Philadelphia, Pennsylvania, and ratified by conventions in eleven states. It went into effect on March 4, 1789.
- December 15: The United States Bill of Rights amended the United States Constitution with ten rights that all American citizens are guaranteed by their government.
- October 21: The USS Constitution is finished at the Charlestown Navy Yard in Boston.
- Fort Adams early known as Castle William is officially renamed at ceremony presided over by President John Adams into Fort Independence.
- The former state capitol and house of government of the Commonwealth of Massachusetts, designed by noted architect Charles Bulfinch, was completed. The state government used this building continuously until the formation of the Thirteen Commonwealths in 1969.
- December 2: President James Monroe proposed the Monroe Doctrine, a policy of the United States which stated that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression, requiring U.S. intervention.
- Summer: Henry David Thoreau inhabits a cabin at Walden Pond to further his transcendentalist philosophy.
- The Dante and Virgil in Hell is finished by William-Adolphe Bouguereau. The painting is found in both the ghoul city of Underworld in the Museum of History and Littlehorn & Associates headquarters in the Scrapyard office.
- The Ticknor and Fields publishing company is founded in Old Corner Bookstore by William Davis Ticknor, John Allen and James Thomas Fields.
- June 14: Mormon missionaries arrive in Nevada and build a fort along one of the creeks that flows from the Las Vegas springs.
- The Whitespring Resort is constructed, becoming famous for its southern style and sulphur springs.
- April 12: The Battle of Fort Sumter is fought in South Carolina. The Confederate States Army takes the Union controlled fort and begins the American Civil War.
- June 3: The Battle of Philippi, the first land battle of the American Civil War, takes place at the current site of the Philippi Battlefield Cemetery.
- November 19: President Abraham Lincoln gave the Gettysburg Address, it was delivered at the dedication of the Soldiers' National Cemetery in Gettysburg, Pennsylvania, four and a half months after the Union armies defeated those of the Confederacy at the decisive Battle of Gettysburg.
- April 14: While attending a play in Ford's Theater, Abraham Lincoln is fatally shot by actor John Wilkes Booth. The President would die the following morning.
- April 20: The United States Department of War issues a wanted poster for the capture of John Wilkes Booth.
- May 9: President Andrew Johnson declares an official end to the American Civil War with Confederate States of America surrendering at the Appomattox Courthouse a month before.
- March 30: In what would be dubbed Seward's Folly, the United States purchases Alaska from the Russian Empire for $7.2 million.
- The Schoelt company is established.
- The United States Penitentiary Tibbets comes into existence through an act of Congress.
- Mary Anderson invents the windshield wiper.
- December 17: Orville and Wilbur Wright flew the Wright Flyer at Kitty Hawk, North Carolina.
- In baseball, Boston wins the 1903 World Series.
- The Monongah mining disaster occurs, the explosion kills over 300 workers and traps hundreds more at Monongah mine.
- In baseball, Boston wins the 1912 World Series.
- In baseball, Boston wins the 1915 World Series.
- In baseball, Boston wins the 1916 World Series.
- Boston wins their last World Series championship.
- The Sunset Sarsaparilla Company begins production of their brand name product Sunset Sarsaparilla.
- General of the Armies John Pershing issues the From the Battlefields of France speech.
- World War I comes to an end.
- The Browning auto rifle, is adopted by the United States of America as the standard squad automatic weapon for the United States Army – and remained so for over thirty years.
- The Union of Soviet Socialist Republics is formed by the Bolshevik Party, and Vladimir Lenin is elected its first Chairman.
- The Silver Bridge was constructed, becoming the first eyebar suspension bridge in the United States.
- The Flying Scotsman locomotive sets a train speed world record at 100 miles per hour.
- March: Vikki and Vance begin their crime spree.
- May 23: Bonnie and Clyde are ambushed and killed, on a rural road in Bienville Parish, Louisiana.
- The M1 Garand, is adopted by the United States of America as the standard semiautomatic rifle for the United States Army – and subsequently the first semiautomatic rifle of any major army.
- The Giant Teapot is built in Appalachia to represent the largest pottery industry in the world.
- The Bren gun, a Czechoslovakia design, is adopted by the British Empire as the standard LMG of the Commonwealth.
- The MP38, a German design, is adopted by the Third Reich as the standard submachine gun for the German Army.
- September 1: World War II begins.
- December 7: Pearl Harbor is attacked by the Empire of Japan.
- December 11: The United States of America declared war on Nazi Germany.
- Sierra Army Depot is erected. Its mission is to store and maintain a defensive supply of military ordnance. This mission continues until 1991.
- Reservation, completes construction. Los Alamos becomes part of the research team for the Manhattan Project. The Los Alamos Nuclear Research and Development facility, codename: the
- July 16: The first atomic bomb is detonated by the United States of America.
- August 6: The first atomic bomb to be used as a weapon, codename "Little Boy," was dropped on Hiroshima by the B-29 Superfortress Enola Gay, piloted by Colonel Paul Tibbets of the 393rd Bombardment Squadron, of the United States Army Air Forces.
- August 9: The Fat Man atomic bomb is deployed by the United States onto the Japanese city of Nagasaki.
- August 14: World War II comes to an end. Sometime between now and 1961, divergence occurs.
- October 1: The People's Republic of China becomes the main political force in China.
1950s: Estimated point of Divergence
- May 5: Captain Carl Bell of the United States Space Agency became the first human in space. This claim is disputed by both the Soviet Union and China. Captain Bell's flight in Space Capsule Defiance 7 lasted twelve minutes and seven seconds, and made a full revolution around the Earth. Bell died when the capsule crashed on its return to Earth.
- December 15: The Silver Bridge collapsed during rush hour traffic, thirty one vehicles fell into the Ohio River killing 46 people.
- In response to the Silver Bridge collapse and subsequent loss of life Congress adopted the National Bridge Inspection Standards.
- The United States created thirteen commonwealths, creating another, intermediate layer of governance between the state and the federal government. The national flag was amended to reflect this and depicts fourteen stars - thirteen in a circle to represent the commonwealths and one in the middle to represent the federal government and the nation as a whole.
- July 16: The Virgo II Lunar Lander Valiant 11 with U.S.S.A. astronauts Captain Richard Wade, Captain Mark Garris, and Captain Michael Hagen lands on the Moon. The astronauts become the first humans to walk on a celestial body other than Earth.
- November 14: Virgo III Lander Valiant 12 lands on the Moon.
- The mission of Sierra Army Depot is changed. It is now responsible for the demilitarization of stores of surplus ammunition that have been deemed unfit or obsolete for military purposes. This mission is to be overseen by the Industrial Operations Command in cooperation with the Environmental Protection Agency, providing a greener, cleaner way to dispose of military ordnance. The mission continued until 2050.
- The Delta IX rocket is commissioned by the U.S.S.A., the last of the manned rockets to the Moon.
- June 25th: Robert House is born.
- Hubris Comics begins publishing comic books, one of their most popular is Grognak the Barbarian.
- The original Vim! Pop factory burned down, prompting the rebuilding of the factory and eventually its recreation as a souvenir shop.
- After the tragic death of Emilia Butler, the Boston city council voted unanimously to have her remains interred within the Old Granary Burying Ground.
- Vault-Tec rebrands Morgantown's local university as Vault-Tec University.
- The Delta IX rocket is converted for U.S. military purposes. Crew and instrument sections are replaced with a nuclear warhead.
- The Mister Handy series of robots is first brought to market as a general construction and maintenance unit by General Atomics International.
- Prometheus Coal, a division of Poseidon Energy, opens a coal mine in central Utah. As a result a small village is settled nearby called Eagle Rock.
- An early bug in Mister Handy robots that caused interference in the operation of the multiple arms is fixed with a hardware update, with no major problems since then.
- The Mistress of Mystery makes her debut in Hubris Heroes #8, published by Hubris Comics.
- The Tibbets Prison is commandeered by the United States government in association with Vault-Tec and Poseidon Oil to tie into their Project Safehouse. On April 5, 2040, the Secretary of the Army makes the decision to build a new Disciplinary Barracks, with a capacity for 456 inmates. A cost ceiling of $363 million in allocated construction dollars is set. The target budget year for funding this project is fiscal year 2041. Construction begins in fall of 2042, with completion projected for fall of the year 2045.
- August 16: Doctor Morrison Rand was abducted by aliens on-board Mothership Zeta when he was leaving the campus of Banfield College in Humboldt.
- John-Caleb Bradberton, an amateur chemist, began developing a soft drink that would provide energy, focus and 120% the daily recommended value of sugar.
- A major earthquake takes place in Mexico City. The Mister Handy general construction robot becomes the leader in sales in Mexico.
- Egret Tours is founded.
- Wilson Atomatoys is established in Boston, Massachusetts.
- Giddyup Buttercup, a product of Wilson Atomatoys, is copyrighted.
- April 2: The City of Watoga, West Virginia, Eastern Commonwealth is founded.
- June 25: Robert House founds RobCo Industries.
- July: discussions with Vault-Tec to determine space and functional requirements for the new Tibbets facility.
- The formula of Nuka-Cola is perfected by John-Caleb Bradberton, after nearly two years of work and help from his Beverageers.
- The Great Passion Fruit Famine hits America. People actually notice the taste difference in Nuka-Cola when the passion fruit flavor was removed.
- The X277 "Viper" magnetic rail cannon developed for the U.S. Military by West Tek is deemed too costly to produce on a mass scale and abandoned.
- RobCo Industries becomes one of the most profitable corporations on Earth.
- Shannon Rivers makes her radio debut as part of the "Invaders from Planet Zed!" radio program.
- April 28: The Nuka-World power plant suffers a meltdown, just a few days before the park is scheduled to first open.
- May 1: Nuka-World opens to the public with Nuka-Town USA and Kiddie Kingdom being the only parks. The theme park attracts more than 40,000 visitors at its grand opening.
- The mission of the Sierra Army Depot changes again. It is refurbished with the latest in technology and is used as a secret research installation for developing and testing robotic, biological and conventional weapons until 2076.
- Seeking to protect business interests and their oil supply, the United States begins to exert increasing pressure on Mexico, citing the political instability and pollution stemming from Mexico as a threat to the United States. Various economic sanctions serve to destabilize Mexico, and the United States military enters Mexico to keep the oil refineries running and making sure oil and fuel continue to make their way north across the border at Mexico's expense.
- The N99 10mm pistol becomes standard issue military sidearm following the phase out of the N80.
- The Weston water treatment plant was built as part of a decade-long plan to modernize Boston's aging sanitation systems.
- Shannon Rivers begins her long running role as the radio voice of the Mistress of Mystery.
- America begins suffering from an energy crisis, prompting companies like REPCONN Aerospace to begin development of new fuel sources.
- A television documentary revealing the withered husk of the Texas oil fields brings the oil shortage into American households and reveals how deep the energy crisis runs.
- The last manned space flight to the moon to be performed by the USSA takes place. On that flight, the astronauts recover the flag planted on the surface by the Valiant 12 team.
- The widely known Nuka-Cola’s Dazzling Blue bottle color was adopted as standard after market research programs indicated that the blue color was the favorite in 86 people out of a hundred polled.
- March 5th: The United States closes its borders.
- April: Resource Wars begin. Smaller nations go bankrupt as the European Commonwealth declares war on the Middle East in response to rising oil prices.
- May: The ailing United Nations begins to collapse. In a series of heated debates, many nations withdraw from the organization as the U.N. tries to keep the peace.
- July: The Linden Street slayings of the Pint-Sized Slasher take place.
- July 26: The United Nations is officially disbanded.
- The socially transmitted New Plague arises, killing tens of thousands. The United States closes its borders and the first-ever national quarantine is declared. The source of the plague is unknown, but rumors persist that it is a genetically engineered weapon.
- ZAX 1.0 goes online, developed by Vault-Tec Industries. Initially a prototype of some of the systems designed to govern the vaults, it is given to the government to help the Department of Energy collect resource data. Within a year, it is taken by the military for plague and tactical research; one version, ZAX 1.2, would later be constructed for West Tek.
- US Robotics Disposal is founded.
- Shannon Rivers and Frederick Rivers get married.
- December: Like an exclamation mark on the end of a very bad year, a terrorist nuclear weapon destroys Tel Aviv.
- REPCONN Aerospace is founded following the first launch of the Delta IX rocket.
- January: Limited nuclear exchange in the Middle East raises fears throughout the world.
- In light of the European-Middle Eastern War and the plague scare, the United States officially sets Project Safehouse in motion. The project, financed by junk bonds, is designed to create shelters, called Vaults, for the populace in the event of a nuclear war or deadly plague. Construction begins late in 2054 and proceeds rapidly due to advances in construction technology.
- West Tek Research Facility is established to continue work on a cure for the New Plague. Their viral research and close ties to the federal government eventually lead to them being chosen for the Pan-Immunity Virion Project twenty years later as well as power infantry armor and laser research.
- ZAX 1.2 is brought in to regulate conditions in West Tek. It is not part of the Vault-Tec preservation software, so it does not have any orders to protect humanity after the bombs fall. In the meantime, it calmly calculates data and plays chess with the scientists. Many scientists claim that ZAX is a "big ol' cheater" and draws the game out too much for a computer of his considerable abilities.
- HalluciGen, Incorporated introduced their crowd control gas.
- December 18: Sam and Emily Blackwell are married.
- The Integrated Human Resources Management System v2.3, a joint product of the District of Columbia Office of Software Management and the United States Office of Computational Organization, as part of a contract with Computechtron, was implemented.
- Corvegas are available on the market.
- February: United States government removes the Grand Canyon's protected status as a national park.
- May: Uranium mining begins in the Grand Canyon. The Grand Canyon is closed indefinitely.
- March 15–June 15–July 15: Due to some shipping error, the Zion Canyon general store had yet to receive its supply of De-Luxe Mountain Man All-In-One Survival Kits, which it ordered three weeks prior. One month later the shipping company—instead delivering the survival gear—delivered crates of Dinky the Dinosaur(TM) Officially-Licensed Dino-Action Dolls. This blunder was a major loss for the store, causing it to have to sell these toys to regain its lost capital. These toys can still be found in the store in 2281.
- Isla Negra Holdings begins to take control of Point Lookout, Maryland as the New Plague devastates the region.
- The Dry Rock Gulch park of Nuka-World opens.
- The Anchorage Front Line is established, as the United States increases its military presence in Alaska to protect its oil interests. The Anchorage Front Line causes tensions in the United States and Canada, as the United States attempts to pressure Canada into allowing American military units to guard the Alaskan pipeline.
- The first artificial intelligence is born. Limited by memory constraints, its expansion is rapidly halted. The discovery paves the way for future A.I. research in laboratories throughout the United States.
- Traffic on the streets of the world stops moving. Fuel becomes too precious to waste on automobiles, so alternatives are explored - electric and fission-powered cars begin to be manufactured, but factories can only make limited amounts while conserving fuel. Pressure on fusion research increases.
- The European-Middle Eastern War abruptly stops as the oil wells in the Middle East no longer produce oil. With the fields exhausted, neither side has a reason to continue hostilities. Both the Commonwealth and the Middle Eastern states are almost completely ruined by eight years of war.
- The European Commonwealth falls apart, reduced to hostile nation states, fighting over the remaining resources. The European Civil War begins.
- The U.S. military develops and deploys their unmanned Cargobots all over Appalachia.
- Olympics are held at an unknown region.
- Bradberton is founded in Massachusetts.
- Despite quarantine measures, the New Plague continues to spread, fueling national paranoia.
- Wan Yang is arrested as a suspect in the Niagara Sabotage.
- Many Mormon congregations come together to purchase places in Vault 70, located in Salt Lake City.
- May: Construction of Vault 92 begins.
- May, 3rd: A U.F.O. codenamed "Paladine" crashes just north of Hagerstown, Maryland, but could not be recovered.
- Dr. Willem Clark, a top nuclear physicist in his day, is put in charge of all scientific endeavors at the Reservation. Colonel Green, a career soldier in the U.S. army, is put in charge of security.
- August: The construction of most Vaults completed, except for Vault 13, whose construction finally gets off the ground heralding a development cycle that seems plagued with problems. Drills begin in the other cities with completed Vaults, but the increasing frequency of the drills has a "cry wolf" effect, and the turnouts for drills trickle off as the years go on.
- Grognak & the Ruby Ruins and Wastelad are published by Hubris Comics Game Studio.
- A photograph of Dr. Clark, Dr. Sebastian, and the Maniac AI surfaces during the lull between the remobilization of Los Alamos and the arrival of its new mission orders.
- March: Construction of Vault 106 begins.
- The Reservation is given orders to research and produce nuclear missiles that can be fired from an orbiting space platform.
- Robert House concludes that atomic war would devastate the Earth within 15 years after every projection he ran deemed it a mathematical certainty.
- February: Construction of Vault 76 begins.
- April 14: M.A.R.Go.T. enters service.
- June: Due to enormous demands for electricity from a 17+ million population, a nuclear reactor in New York City goes supercritical, almost causing a meltdown. The near meltdown brings into effect power rationing, and the term "Hot Summer" is used to refer to this incident.
- August: Increasing need for mobility in the United States mechanized cavalry leads the military to focus the efforts on creating a man-based tank - essentially, a two-legged walking armored unit: power armor. Research grows until 2067 and several prototypes are developed, many of which prove to be unworkable in the field. These prototypes pave the way for future advances in military, construction, and fusion technology.
- The United States Army conducts a test of a next generation nuclear weapon, dubbed "Super-Bomb" by the media.
- The U.S. Navy missile cruiser USS Ebon Atoll is accidentally sunk by the U.S. Navy Submarine USS. Interference during the Anchorage Campaign. The Interference mistook the Ebon Atoll for an enemy vessel and shot it with a nuclear torpedo killing all on board. It is one of the worst U.S. Navy disasters since World War II.
- Resource rationing in Denver results in Food Riots, after the midwestern parts of the United States and Mexico cannot supply enough food for the population. National Guard units are called in to deal with the situation.
- Poseidon Energy shuts down the Eagle Rock mining complex due to the danger and expense. The installation is sold to the government.
- May: Construction of Vault 87 begins.
- Spring: As the oil resources dry up across the globe, China's fossil fuel dependency causes an energy crisis in the nation. China, bordering on collapse, becomes more aggressive in its trade talks with the United States. Unwilling to export oil to China, talks between the United States and China break down.
- June 24: Negotiations between the U.S. and other world powers come to a dramatic end, with the president walking out of oil talks with the other world powers. After a much heated debate, the president stormed out of the meeting and declared that the last known supply of petroleum will be used exclusively by the U.S. and the U.S. will not sell or trade any oil to outside parties.
- Summer: Adding further insult to the Sino-American relations, the first crude fusion cell is unveiled, one of the results of the power armor project. Devices designed for the fusion cell begin to be manufactured. Incorporating fusion power into the general U.S. infrastructure begins, but the process is too slow to supply power to the regions that need it. Nearly eleven years later, few sections of the United States were supplied with fusion power.
- December: In the winter of 2066, China invades Alaska. The Anchorage Front Line becomes a true battleground. The United States Congress unanimously passes and the then-President of the United States signs the U.S. Declaration of War on China, officially marking the beginning of the Sino-American War.
- December: As a sign of increasing tension between the two countries, Canada proves reluctant to allow American troops on Canadian soil or allow American planes to fly over Canadian airspace. American and Canadian tensions rise, but Canada eventually backs down, and U.S. troops pass through Canada. This sets the stage for the Canadian annexation in 2076.
- The first suit of T-45 power armor is deployed in Alaska. While lacking the full mobility of future versions, this power armor is incredibly effective against Chinese tanks and infantry. Its ability to carry heavy ordnance becomes key in various localized conflicts, and it has the power to destroy entire towns without endangering the wearer. China rushes to create its own versions, but they are many years behind the United States.
- A Nuka-Cola machine can be found on almost every street in America.
- Senator Todd Peterson decides to build a secret bunker to house himself and his family should war break out. Senator Peterson is a wealthy man in his own right, but lacks the funds necessary for such a project. Through secret dealings with Poseidon Oil and a covert branch of the government known as the Enclave, the final funding for the project is attained. A construction site is chosen in southern Colorado and work begins.
- September: The Safari Adventure park of Nuka-World opens.
- May: Construction of Vault 92 ends.
- Summer: Penelope Hornwright undertakes an intership in the Operations Department of Hornwright Industrial.
- November: Construction of Vault 112 begins.
- Canada begins to feel the pressure from the United States military as the U.S. draws upon Canadian resources for the war effort. Vast stretches of timberland are destroyed, and other resources in Canada are stretched to the breaking point. Many Americans refer to Canada as Little America, and Canadian protests are unheard.
- February 11: By order of the Federal Bureau of Investigation, all Patriot's Cookbook magazines are banned and incinerated. However, many magazines still remained in circulation.
- March: Vault 13 is finally completed - it is the last of the Vaults on the West Coast, and drills begin. Due to its late completion, the "cry wolf" effect that hurt the other Vaults is not as pronounced.
- Summer: Penelope Hornwright undertakes an internship in the Automation Department of Atomic Mining Services.
- October: Construction of Vault 76 ends.
- December: Construction of Vault 106 and Vault 108 ends. Vault 108 was in construction for 8 years due to work stoppage.
- The first of the Chryslus Motors fusion-driven cars are developed. Reassuringly big and American, the limited models carry a hefty price tag but are sold out within days. Many Chryslus plants have long since been converted into making military ordnance.
- Penelope Hornwright graduates summa cum laude from Vault-Tec University, with a double major in Business Administration and Geological Science.
- West Tek Research Facility is put under military command.
- Atomic Command is published by Planned Diversion Programming.
- December: Construction of Vault 87 ends.
- Legislative Act 21-0 is passed by the United States Congress.
- Nuka-World opens a new park, the Galactic Zone, becoming the most popular attraction there.
- Journal-It Software is copyrighted by PagSoft LLC.
- Automatron is published by Planned Diversion Programming.
- Completed B.O.M.B. missiles are sent to different space centers around the U.S. so they can be carried into space and installed into the B.O.M.B. satellites. The process is slow, but it is being carried out fairly regularly.
- June: The United States Army confirms the development of a "Super Weapon" to liberate Anchorage Alaska.
- June: Ezra Parker alleges that he prevented the assassination of Viscount Sergey Urbonas by diving between him and the shooter, ultimately being saved by a silver locket kept in his breast pocket.
- June 3: The United States' increasing demand for Canadian resources causes protests and riots in several Canadian cities. An attempted sabotage of the Alaskan pipeline is all the military needs as an excuse to finalize its annexation of Canada, which had already begun in 2067.
- August: The Ballistic Orbital Missile Base, or B.O.M.B.-001, is completed and partially functional (for security and maintenance bots) using a temporary onboard generator. The only thing the base needs are the manually input final launch instructions and codes, and the main power reactor.
- September 15: As China becomes increasingly aggressive with their use of biological weapons, the United States government felt that a countermeasure was needed. The Pan-Immunity Virion Project is officially formed and plans are made to begin experiments at the West Tek Research Facility in Southern California.
- Despite claiming that it fights a purely defensive war, United States units are deployed to China. Long supply lines and difficult conditions on the mainland lead to the units becoming bogged down in fighting. American infantry, mechanized divisions, and power armor units suffer from strained resource and supply lines.
- Cambridge Polymer Labs, LLC was established by Jon Elwood, Ericka Elwood-Woolum, and Wilfred Bergman in 2074 to research experimental smart materials that could be used to enhance the functionality of existing suits of power armor. It was made possible by a generous grant from Colonel George Kemp and the Defense Experimental Research Project Initiative.
- The government turns the lower levels of Eagle Rock into a radioactive waste dump. Future founders of the Enclave help Poseidon Energy secure a contract for the operation, leading to the development of Agricola robots and the installation of a bunker on site.
- June: Construction of Vault 112 ends.
- July: Bloomfield Space Center is completed. It is tasked with building Hermes XIII and Hermes XIV, rockets meant to service B.O.M.B.-001 and -002 respectively. Originally meant for Mars missions, the rockets are instead to be used for installing the final elements of the orbital base (reactors), entering final launch instructions, and performing a final check of the station.
- The Sierra Army Depot A.I., Skynet, becomes self-aware.
- RobCo Industries copyrights the Unified Operating System. This system is used for operating the Robco terminals. The copyright is renewed for each of the next two years.
- RobCo Industries brings up plans to purchase REPCONN Aerospace, threatening a hostile takeover otherwise.
- Red Menace is published by Vault-Tec Game Studios.
- Ezra Parker alleges that he was selected by Modern Industrialist to be in the "Top Ten Up and Coming Venture Capital Managers".
- Janurary 14: A Bureau of Alcohol, Drugs, Tobacco, Firearms and Lasers operation under the leadership of Agent Curtis Wilson bust a firearms smuggling ring that had been supplying illegal arms across the United States.
- Feburary 10-15: After an elongated argument through email with General C. Braxton, CEO of Dyer Chemical Stanley Dyer acquiesced control of his company's production line to the United States Army for Project Clean & Clear.
- March: Huntersville receives a rural development grant.
- March 21: PVP experiments continue at West Tek with batch 10-011, in the wake of successful tests of the virus on single-celled organisms. Experiments on plant cells are postponed. The pan-immunity virion is renamed Forced Evolutionary Virus (FEV).
- May: Vault 112 seals two years early, for Stanislaus Braun's sadistic desires.
- May 9: F.E.V. experiments continue at West Tek with batch 10-011, in the wake of successful tests on flatworms; the flatworms exhibit increase size and heightened resistance to viral contagions. Experiments with insects have less success, and further experimentation on insects is postponed by Major Barnett.
- May 27: The Whitespring Resort announces The Whitespring 2080 Initiative, a major five-year renovation to the resort.
- June: General Brock becomes the commanding officer of Fort Strong.
- June 6: The rural development grant rejuvenates Huntersville.
- June 30: FEV experiments continue at West Tek with batch 10-011, with white mice as subjects. Increased size, muscle density, and Intelligence are noted.
- August: he United States Space Administration awards contracts to ArcJet Systems to develop the XMB booster engine and deep range transmitter for their Mars Shot Project, a manned mission to Mars.
- August 20: West Tek Research Center constructed north of Huntersville to experiment with the use of FEV-modified crops in agriculture.
- November: Unidentified submarine contacts, rumored to be stealth subs of the Chinese "Ghost Fleet" are spotted by U.S. monitoring stations A-31 and B-19, but no further sightings are reported.
- November 9: FEV experimentation (batch 10-011) on rabbits is concluded. Increased size, Intelligence, and (this time) aggressiveness is noted. Apparently, it was hard to determine whether the flatworms in the previous experiments were angrier and more violent than normal. Frankly, the researchers cannot be blamed for this.
- December 17: A general of the U.S. military visits the Switchboard facility and receives a report from P.A.M. that Chinese stealth technology far outpaces that of the United States, and that the unidentified submarines spotted by U.S. monitoring stations a month prior may be from the Chinese "Ghost Fleet", an elite naval unit rumored to possess stealth-capable submarines. The general dismisses the intelligence as unsubstantiated, but P.A.M. responds by stating no actionable intelligence has come out of the Shaanxi Province of China since November 2072, except for a reported increase in the importation of complex polymers and key synthetic compounds. P.A.M. indicates that these are consistent with research into stealth technology on a large scale, but the general states that unless concrete evidence can be provided, such information is rumor.
- December 20: West Tek ramps up agricultural mutation research at Huntersville.
- RobcOS v.85 is copyrighted by RobCo Industries.
- REPCONN Aerospace is bought out by RobCo Industries.
- The Concord, Massachusetts, Red Rocket truck stop wins - by fraud - the 2076 Trashbusters Award from their Boston Regional corporate head.
- Pipfall is published by Vault-Tec Game Studios.
- January: The United States annexation of Canada is complete. Canadian protesters and rioters are shot on sight, and the Alaskan Pipeline swarms with American military units. Pictures of atrocities make their way to the United States, causing further unrest and protests.
- January 3: A military team under the command of Colonel Spindel is sent to the West Tek research facility to monitor the experiments in the interest of national security, due to fears of international espionage. Captain Roger Maxson (the grandfather of John Maxson, the High Elder of the Brotherhood of Steel in 2161) is among the team personnel.
- January 12: Splicing in several new gene sequences into their test virus, dogs are injected with batch 11-101a at West Tek. Although increased strength was noted, increased intelligence was not. Using batch 11-011, experiments are conducted on raccoons. The same results are noted, but the attempted escape of several infected raccoons causes Major Barnett to terminate the escape... and the test subjects. Two pairs of raccoons, however, are unaccounted for.
- January 24: James Oberlin arrives at ATLAS Observatory to replace the previous military liaison in weather control experiments.
- February: The M42 "Fat Man" Launcher begins development at Fort Strong.
- February 16: After shuttering their agricultural research, West Tek starts human FEV mutation experiments at Huntersville.
- March 12: ATLAS tests in Appalachia yield first results.
- April 15: Once all secondary tests and studies are done on the test subjects, all dogs from the batch 11-101a Forced Evolutionary Virus (FEV) tests at West Tek are terminated... from a safe distance.
- May 24: Protectrons that were missing all their limbs were delivered to Robotics Disposal Site East 09B.
- May 25: Experiments start to cause mutations at Huntersville.
- June: Power armor T-51b series development is completed, resulting in the first mass-produced T-51 power armor. The first power armor units are sent to China, where they perform flawlessly against Chinese forces. Enemy tanks and infantry are no match for the power armor and sometimes they even surrender to the advancing forces when they realize what they are against. As a result, the Chinese war effort begins to collapse, its resources and supply lines strained to the breaking point.
- June 10: Eyebots that were missing their vision sensors were delivered to Robotics Disposal Site East 09B.
- July: Flotation Homes and Seaweed is published by Vault-Tec Industries.
- July 4: Vault 76 is completed for the United States' tricentennial.
- August: Food and energy riots begin in major cities throughout the United States. Military units begin to be deployed in cities within the United States to contain rioters, and many temporary prisons are constructed. A state of emergency is declared, and martial law soon follows.
- August 20: ATLAS manages to create a wide variety of weather, warranting further investment of public funds.
- August: Hermes XIII and XIV are completed, loaded with cargo and placed on the Bloomfield launch platform, awaiting the final funding, and the okay to launch.
- September 8: First super mutants emerge at Huntersville.
- October: Production of B.O.M.B. nuclear missiles is put on hold due to budget cuts. The Reservation is put on reserve.
- October: Due to the seriousness of world events and the threat of nuclear war, Hermes' launch is postponed while funds are routed to vault technology. Launch is rescheduled for 2077.
- October 2: John Miller – proprietor of Big John's Salvage – was finished sealing the cracks and clamping the pipes in the shelter he was building on his property.
- October 4: At West Tek, fifteen chimpanzees are infected with batch 11-111. The most successful test to date, growth and immunities in the chimpanzees surpass all other subjects to date. The military practically drools over the results. Plans are made in secret to continue testing in small quarantine towns in North America like Huntersville. Mariposa Military Base construction is sped up in anticipation of moving the West Tek project to a location under military supervision.
- October 20: Nuka-Cola Quantum is created.
- November: Enclave personnel seize control of Bloomfield Space Center and begin researching and developing a way to convert Hermes XIII and 14 into a personnel transports to transport important individuals off-planet.
- November 4: First incidents of violence and death at Huntersville.
- September 5: John Miller – proprietor of Big John's Salvage – was finished installing the ventilation in his shelter, however he was continuing to have issues with the generator. It kept shutting off for no obvious reason, and whenever the generator shut off the ventilation fans would stop and effectively vacuum seal the shelter.
- November 16: Twelve Protectrons that were missing all their limbs were delivered to Robotics Disposal Site East 09B.
- November 26: A hearing to the Senate by the Committee of Nuclear Energy is held on Thanksgiving to discuss the prospect of mining the largest uranium deposit in the United States recently discovered on the East Coast. Senator Clark argues for the mining of the uranium, but Senator Sam Blackwell is quick to point out Senator Clark's conflict of interest as he had purchased a large stake in Atomic Mining Services.
- November 28: John Miller – proprietor of Big John's Salvage – believed that he fixed the generator/ventilation issues, and all the supplies are stocked and ready.
- December: Fifteenth edition of Coping With Mr. Virus! is published by Vault-Tec.
- December 10: Shelby O'Rourke meets with Ray Gary and Scott Conroy at a Truth Seekers meeting, as part of her cryptid research.
- Gas prices sky rocket with the regular gas price being $7450.99 per gallon and $8500.99 per gallon for premium.
- The United States Army commissions General Atomics International to manufacture the Mister Gutsy line of combat robots. The Mister Gutsy line is completed just before the Great War and are released for use.
- Robert House puts himself in stasis.
- A Chinese sabotage attempt takes place at Hoover Dam.
- New Plague hits Denver. Rioters burned down large parts of the city in their fear of contamination and anger at their treatment. Many panicked and fled the city by car, clogging the freeways when they ran out of gas and trapping everyone behind them.
- January 7: Major Barnett orders transfer of all Forced Evolutionary Virus (FEV) research to the newly-constructed Mariposa Military Base, despite objections by the research team.
- January 10: Alaska is reclaimed, and the Anchorage Front Line is again held by the Americans.
- January 22: The first domestic use of power armor within the United States for crowd and quarantine control. Units originally serving in China and the Anchorage Front Line find themselves fighting Americans at home. Food riots increase, and many civilians are killed. Several soldiers defect from the military both in Canada and the United States. They are captured, and are sent to military prisons.
- January 28: At 4:32 PM, an All Clear is sounded at Anchorage and DEFCON is lowered to 3.
- February: F.E.V. Research is leaked to the world through an unknown source. Protests in many major cities and governments around the world, as well as accusations that the U.S. was responsible for the New Plague. F.E.V. is seen as the threat, and serves only to fuel tensions. The governments of the world fear what the U.S. is up to. Speculating anything from trying to make a breed of super soldier, to trying to make Hitler's master race, they begin to panic.
- February 16: The testing of the Archimedes I weapons system was successful. However, despite precautions being taken, several minor systems were overloaded. Furthermore, both the Black Mountain communications array and the Hidden Valley military bunkers experienced system frying power fluctuations at the time of the testing. However the Archimedes II testing was pending the long-range communication/targeting system on the Euclid's C-Finder.
- February 22: The Army takes control of the HELIOS One installation in Nevada from Poseidon holdings. Full use of the laser artillery enters the American arsenal.
- March: Prepared for a nuclear or biological attack from China, the President and the Enclave retreat to Control Station Enclave and make contingency plans for continuing the war.
- March: Vault Dweller's Survival Guide is published by Vault-Tec.
- March 14: Twenty seven defective Mister Handys are delivered to Robotics Disposal Site East 09B.
- April: A United States Navy destroyer was sunk, one of the few survivors, the Marine Thomas Davis, eventually made his way home to Bar Harbor, Maine, where is fellow members of Beaver Creek Lanes would gather to welcome him home.
- April 2: John-Caleb Bradberton undergoes the LEAP-X Program procedure, preserving his head in a jar beneath his office at Nuka-World.
- April 28: A major Class 1 nuclear incident occurs at Nuka-World's power plant, causing a large amount of radioactive coolant to discharge into the local river (which flows through the parks). Park administration covers up the incident as a Class 7 failure and fires the whistleblower.
- May 2: Quinton Geesey publishes an opinion editorial praising the full automation of Grafton Dam and urges Grafton citizens to cease protesting the widespread automation of their jobs.
- May 24: Nine protectrons that were missing all their limbs were delivered to Robotics Disposal Site East 09B.
- June 8: Fourteen Eyebots missing their vision sensors were delivered to Robotics Disposal Site East 09B.
- June 14: The Berkeley Springs Police Department defused a bomb that was planted by "The Appalachian Assassin."
- June 15: Eight Robobrains whose mental acuity was well blow standard were delivered to Robotics Disposal Site East 09B.
- June 22: Several decommissioned sentry bots were delivered to Robotics Disposal Site East 09B.
- June 25: The Mistress of Mystery Season 8 Episode 16 was recorded in Los Angeles.
- June 26: The after party for the eighth season of the Mistress of Mystery was held in Los Angeles, attended by the staff and actors
- June 26: The installation of Cryptos and the Hall of Trials into Riverside Manor is completed. Frederick Rivers and Zack Hayes run tests on the system's functionality. Recording of Mistress of Mystery Season 8 wraps up in Los Angeles.
- June 29: Frederick Rivers unveils the Order of Mysteries's Lair to his wife, Shannon Rivers, along with a three months of solid training with stunt actors, martial artists, military trainers, a cavalcade of experts, all for her upcoming television performance on The Silver Shroud.
- July: Between July 10 and October 23: Sierra Army Depot VI is evacuated.
- July 4: After contact with the contaminated lake water causes a medical crisis at a General Atomics-sponsored bass fishing tournament, Lake Quannapowitt is closed to the public.
- July 22: Four decommissioned Sentry bots were delivered to Robotics Disposal Site East 09B.
- July 22: The long time communication between Kent Connolly, comic fiction extrordinare, and Frederick Rivers, unbeknownst to him the husband of Shannon Rivers and an actual extremely wealthy and well connected scientist, ends when Mr. Rivers tries to tell him that the project that they were working on, the Lair of the Mistress of Mystery was completed. Mr. Connally believing it to simply be a model of some sort and asking for pictures.
- August: Sometime prior to August 15, General Constantine Chase, the hero of the Anchorage Reclamation, begins testing a virtual reality simulation of the Reclamation at the V.S.S. Facility in Washington, D.C.
- August 17: The ATLAS Program receives full funding as its clandestine weather modification technology proves successful (a full whiteout snowstorm in mid-fall).
- August 27: Miners strike outside Garrahan Estate, protesting their working conditions. Bill Garrahan exacerbates the situation by firing a shotgun into the air, scarring off the protesters.
- September: The M42 "Fat Man" Launcher is perfected and shipped out out Fort Strong to "the supply yard in Mississippi."
- September: Free States leaders Raleigh Clay and Sam Blackwell retreat to their bunkers in the Mire after seceding from the United States of America.
- September 6: Technicians at the V.S.S. Facility notice General Chase is making radical, unrealistic changes to the Anchorage simulation. They believe Chase is becoming obsessed with the simulation and is gradually going insane, but refrain from confronting him out of fear that they will lose their jobs to military contractors.
- September 9: Fifteen Protectrons that were missing all their limbs were delivered to Robotics Disposal Site East 09B.
- September 13: Employees of Robotics Disposal Site East 09B discovered their colleagues at other facilities also received shipments of Protectrons missing their limbs.
- September 13: Lester, an employee at the Mass Fusion containment shed, died after tripping behind the forklift as it was reversing. In response corporate forced the facility to post a multitude of work safety posters.
- September 27: The Bysshe Company build a secret lab in the basement of Van Lowe Taxidermy overnight for Calvin van Lowe to conduct his "Sheepsquatch" research out of. The noise from which was reported to the Lewisburg Police Department, which sent him an official letter of warning.
- September 29: Martin Reid begins uncovering that not all was right with his employers, spotting several odd shipments to the vaults under their regional purview; the first of these was fifteen cases of psycho and jet to Vault 95.
- October: An explosion in Kerwood mine kills 17 miners and traps 32 more.
- October: Nuka-Cola Quantum is released to the public.
- October: The Whitespring cancels the Springhill golf tournament.
- October: The Nuka-Cola Corporation becomes the first "business class" sponsor of the Whitespring. With the public release of Nuka-Cola Quantum becoming its main event, Nuka-Cola bottle caps becoming accepted as legal tender throughout the hotel. This promotion marks the event that elevates bottle caps to currency for post-war Appalachia.
- October 2: The manager of the Vault-Tec Regional HQ, Frank Davidson, brushes off his coworkers concerns.
- October 2: An non-depleted Ultracite vein in Atomic Mining Services' Mine Shaft No. 9. burst into Welch. Word spread about the discovery. Penelope Hornwright and Gregory got to the town after AMS, who immediately secured the town and begin evicting the town's residents.
- October 2-8: The weekly meeting of the Faneuil Hall merchants' came to the conclusion that their sales were down three percent relative to last October 2-8, 2076. The meeting focused on a perceived shoplifting "crisis." They then discussed Fallon's proposal for Protectrons and the Freedom Society's objections to it. The Freedom Society issued a veto on historic preservation grounds. At the conclusion of the meeting the merchants unanimously agreed to detailed inventory tracking to assess the scope of the problem.
- October 3: Faced with forced relocation the residents of Welch rebel against AMS. The rioting spreads to anything related to the local mining companies after the years of maltreatment. News of the town's rebellion spread across Appalachia, disfranchised mine workers across the region began to occupy company properties across the region. With the rebellion and property damage the Governor called in the National Guard and the local mining companies called in "independent contractors" to restore order. The violence began after AMS tried to dismantle people's homes to get to the Ultracite, the minors then deciding to strike before the mining companies decide to wipe them out completely. The miners called a meeting deciding to split into two groups, one, Mick Flanagan's to go and secure the Rockhound, the other O'Conner's to go to Bramwell to destroy the Mega Mansions of the wealthy industrialists whom own the mines.
- October 3: Hornwright Industrial closes their headquarters amidst the violent rioting, reopening the 5th of October, however noting that they wouldn't be responsible should an employee be injured crossing the picket lines.
- October 3: Bryce Garrahan proactively calls the Governor for assistance with the violent riots outside his home, hoping to keep his sociopath brother from exercising his own brand of justice with the weapon he's purchased and been brandishing for that purpose.
- October 4: A supervisor at the Mass Fusion containment shed put their innermost feelings to record about their coworkers and occupation.
- October 4: Hornwright Industrial manages to secure all its property from the rioters except the Rockhound, the rioters retreating. The executives of the company are forced to meet that day to make sure AMS is held liable for the "tens of millions" in damages.
- October 5: The rioters who destroyed the Mega Mansion in Bramwell are arrested, Bryce Garrahan officially requests permission to negotiate with a small contingent of more peaceful miners.
- October 5: Yvette Wiesman a coworker of Penelope Hornwright writes and leaves a message at the reception desk of Hornwright Industrial headquarters, asking how she and her father was, and about the riots at the Rockhound and Welch.
- October 7: Walter Scott opens a shipment marked "Vault 111 - DO NOT OPEN." To his and his colleague Martin Reid's perplexion, it was hundreds of gallons of liquid nitrogen, something that the vault wouldn't normally need, and more evidence that Mr. Reid's theory was correct.
- October 9-15: The weekly meeting of the Faneuil Hall merchants' assembled. They came to the realization that despite sales being up by eleven percent due to the Columbus Day holiday. The merchant's inventory report showed net losses of $2,294 for the week, with twelve confirmed shoplifting incidents. Several merchants threatened to sue for breach of contract over security issues, and the Fallon's prepared to withdraw immediately. With the pressure building the Mayor insisted that the Protectron installation will proceed despite objections. By this time the Society – whose representatives shrank from fourteen to eleven – also had to allocate funds for roof repairs.
- October 10: Captain Roger Maxson and his men discover that the scientists at Mariposa have been using "military volunteers" (military prisoners who didn't have their brains scooped for use in robobrains) as test subjects in their experiments. Morale in the base breaks down, and in light of the mental breakdown of Colonel Robert Spindel stationed at the base, Maxson's men turn to him for leadership.
- October 12: The National Guard arrive at Mount Blair to clear the remaining "rebels" (rioters) from the Rockhound with minimal damage to the machine. However Bill Garrahan decided to go to the site to, in his own words, "lend the National Guard a hand." Injuring if not killing six miners, and causing superficial damage to the Rockhound. This a act destroyed the solid week of negotiation and the peaceful settlement with Garrahan Mining Company and its workers.
- October 13: After an interrogation, Maxson executes Robert Anderson, the chief scientist at Mariposa.
- October 13: Sharon accidentally spills coffee on her boss, Frank Davidson's new shirt, prompting his desire to stab her in the throat with his pen.
- October 15: Colonel Spindel commits suicide.
- October 15: Robotics Disposal Site East 09B receives a mysterious delivery by even more mysterious men in black.
- October 15: Walter Scott warns Martin Reid about getting Frank Davidson's violent temper.
- October 15: The Whitespring officially terminates all non "ironclad service" contracted employees, essentially all non-management personnel are fired to finish the transition period for making the facility automated. An "Employee Farewell dinner" takes place at 7:30pm.
- October 15: Judge Archibald Faulkland grants Emily Blackwell a divorce from her husband, disgraced U.S. Senator Sam Blackwell.
- October 16: The United States Army sends a letter to SLCT James Oberlin to inform him of the closure of the ATLAS Program. Not understanding why they would do so the Senior lieutenant colonel decided to wait and discuss the situation with chief research scientist Dr. Isaac Hammond.
- October 16-22: The weekly meeting of the Faneuil Hall merchants' assembled for the final time. After the installation and activation of the Protectrons the Hall experienced what could only be described as a massacre. The Protectrons killed seven people, including five alleged shoplifters, one bystander, and the Fallon's cashier. A public relations nightmare followed, sales dropped eighty-one percent. To avoid further media scrutiny the Freedom Society cancelled further weekly merchant's meetings.
- October 17: Bysshe operative Bo-Peep is scheduled to meet with Calvin van Lowe in Bastion Park. van Lowe is a no-show and Bo-Peep is murdered by the imposter sheepsquatch which has escaped from van Lowe's lab.
- October 18: Hornwright Industrial wins in the "Man vs. Machine" competition against the Garrahan Mining Company due to cheeting.
- October 18: Scientist interrogations at Mariposa come to an end as the last scientist is shot.
- October 19: Scott Conroy falls into a sinkhole and breaks his leg while investigating a sunken church in the Mire for ghosts.
- October 19: Frank Davidson murders Sharon and expresses that he has the same desire to "discipline" Martin Reid for continually bringing up his Vault theory.
- October 20: Captain Roger Maxson, now in control of Mariposa, declares himself to be in full desertion from the army (via radio)... and receives no reply.
- October 20: Employees of Robotics Disposal Site East 09B discus the prospect of losing their careers if they look into their last recorded delivery.
- October 21: Maxson orders all families stationed outside the base moved inside the Mariposa facility.
- October 21: At 9:30 am EST Vault-Tec staff at Vault 94 received the decryption keys to unseal their new orders for the Vault. With the exception of maintenance engineer Tyrone Hayes, the staff wrap up their assignments and depart for Vault-Tec University. Hayes receives orders to contact Pastor Gabriella Salavar and informs her that she and her congregation have a standing invitation to enter Vault 94.
- October 22: The United States Army orders SLCT James Oberlin falsify data so that the closure of the ATLAS Program. Dr. Isaac Hammond flew into a rage, after having to be restrained by the Military Police Corps he walked off the property without saying a word to the SLCT.
- October 22: The platinum chip was printed at Sunnyvale, and was to be delivered the next day by courier direct to Mr. Robert House.
- October 22: Martin Reid, completely disgusted with his boss Frank Davidson and his company Vault-Tec Corporation turned in his two week notice.
- October 22: A hazardous material inspector stopped in to the Mass Fusion containment shed unannounced to check their operation. The supervisor informed their direct superior, Mr. Feld, who told the supervisor that if he caught on to their conspiracy they needed to kill him. He did, and they attempted to kill the inspector and stuffed him into the pipe they were using to dispose of the nuclear waste into Lake Quannapowitt.
- October 22: Scott Turner sabotages Watoga's automated emergency service protocols as part of Operation Free Watoga, turning the robots hostile and triggering a mass evacuation of the city as the technology-dependent citizens are massacred.
- October 23: Fallout 4 prologue begins.
- October 23: The Great War begins, and ends. Lasting only a scant 2 hours, most of Earth is reduced to cinders in that time. It begins in the early morning, U.S. Eastern Standard time. The United States and China deploy their nuclear arsenals. Other countries, seeing the missiles on their way, launch their planes and fire their warheads as well. Air raid sirens sound, but very few people heed the warning. The vaults are sealed. Two hours of nuclear bombardment later, the War ends, along with much of humanity.
- October 23: A Halloween costume show was to be held at local Freddy Fear's House of Scares costume stores.
- October 23: 82 students from the Early Dawn Elementary school go on a field trip to Lamplight Caverns with a couple of teachers and a few parent chaperons.
- October 23: L.O.B. Enterprises is raided by federal agents.
- October 23: Skylanes Air flights Skylanes Flight 1665 and Skylanes Flight 1981 take of from Washington, D.C. and Chicago to Boston, respectively; they would both crash en route due to the effects of the nuclear detonations.
- October 23: Pastor Salavar and her congregation arrive at Vault 94 around noon as radiation begins to intensify. The vault door's failsafe trips at approximately 1:30, locking out the second bus of residents.
- October 23: Randall Clark witnesses the destruction of Salt Lake City and, by extension, the death of his family. The city is hit by thirteen nuclear warheads, resulting in total destruction.
- October 23: The Sierra Madre gala event begins, but is cut short by the war. The casino hermetically seals itself and the holographic security kills many of the guests. The few scattered survivors eventually commit suicide in the following hours and days. Vera Keyes dies from an overdose of her pain medication, while Frederick Sinclair dies in his attempt to disarm his traps. The only known survivor is Dean Domino.
- October 23: Vault 12 fails to close properly. Once it becomes known that the other vaults have sealed, people within Bakersfield attempt to force their way into Vault 12 to protect themselves and their families.
- October 23: The West Tek Research Facility is hit by warheads, breaking open the F.E.V. tanks on levels four and five and releasing it into the atmosphere. Mutated by radiation, it loses its mutagenic abilities, but it later complicates things for the Master.
- October 23: The Mariposa Military Base survives; the soldiers within protected from the radiation flooding the wasteland.
- October 23: Dr. Hein, a Nuka-Cola Corporation geneticist, is taken hostage by the A.F.A.D. at the Angry Anaconda in Nuka-World.
- October 23: The platinum chip, still at Sunnyvale, becomes buried under the rubble from the aftermath of the Great War where it would stay buried for over 200 years.
- October 23: Mr. Robert House saves Las Vegas and most of the surrounding area from complete destruction with his defenses at the Lucky 38, stopping 68 of the 77 ICMBs launched at Las Vegas (59 through forced deactivation and 9 destroyed with laser cannons mounted on top of the Lucky 38). The resulting "light show" can be seen as far as Mexico City. Nine of the warheads evade destruction, a fault of Mr. House being forced to use an inferior operating system without the Platinum Chip, but only damaging minor parts of the Mojave Desert, with the most damaging detonation being near Nellis Air Force Base.
- October 23: The Lucky 38's operating systems crash under the strain of the nuclear attack. Forced to work with an inferior version of the OS, he suffered numerous system crashes and was even forced into a coma by one of the failures before being able to reboot an earlier, stable version that only allowed him to save Las Vegas from 68 out of the 77 warheads, 59 disarmed and 9 destroyed, aimed at the city.
- October 23: Surviving scientists and soldiers based in Los Alamos band together with other survivors they encounter for safety. They set up a temporary camp in a cliff dwelling at Mesa Verde and attempt to contact the federal government for further instructions. No contact is ever made. A small vault is built into the cliff side to shield the only computer they have from the elements.
- October 23: All Enclave personnel leave Bloomfield to either take cover or maintain "hot spots". Sub-reactor is turned off. Bloomfield, B.O.M.B.-001 & 002, and Hermes XIII & 14 are completely forgotten.
- October 23: Two Poseidon scientists are trapped in the Agricola lab. After four years, one dies of natural illness. After one more year, the other commits suicide.
- October 23: Due to seismic activity, some radiation seeps into the sub-levels of the Reservation. Even though the people underground are safe from the blasts, radiation eventually takes its toll.
- October 23: The Sole Survivor and their family evacuate from their home in Sanctuary Hills to Vault 111. Once inside, they and the other vault residents are placed in indefinite cryonic suspension by Vault-Tec personnel.
- October 23: Following the Great War, mothership Zeta abducts Sally and her sister, her parents having died during the war.
- October 23: At 12:03 AM, the commander of the United States Pacific fleet reports 3 Unidentified Submerged Objects off the coast of California to the Joint Chiefs of Staff.
- October 23: At 3:37 AM, the United States Air Force detects a squadron of airplanes off the coast of the Bering Strait.
- October 23: At 9:13 AM, the Integrated Operational Nuclear Detection System reports 4 nuclear launches. DEFCON is raised to 2.
- October 23: At 9:17 AM, NORAD confirms the launch of ICBMs. DEFCON is raised to 1.
- October 23: At 9:26 AM, the Defense Intelligence Agency at The Switchboard confirmed the nuclear response scenario MX-CN91.
- October 23: At 9:42 AM, Switchboard confirms nuclear strikes in Pennsylvania and New York.
- October 23: At 9:47 AM, all monitoring stations at The Switchboard go offline. The entire United States is bombarded with nuclear warheads.
- October 23: At 09:47:51 AM, the National Isolated Radio Array expierences power fluctuations due to EMP from nuclear detonations and auto-caps its singal strength. The event is then noted in the error log.
- October 24: The Boylston Club adds its Memoriam Gala to its October events calendar.
- October 24: The Whitespring resort is sealed against radiation at the orders of the new general manager.
- October 25: The Whitespring guests and staff acclimate.
- October 25: At Mariposa, Platner, bound in power armor, is sent out to get specific readings on the atmosphere. He reports no significant radiation in the area surrounding the facility.
- October 27: After burying the scientists in the wastes outside of Mariposa, the soldiers seal the military base, then head out into the desert, taking supplies and weapon schematics with them. Captain Maxson leads his men and families to the government bunker at Lost Hills.
- Note: Although Maxson's points in his holodisk indicated that civilian personnel other than the families of soldiers under his command were to remain at the base, whether they did so or not is unknown.
- October 28: After having wandered for five days, Randall Clark takes refuge in a former USGS research station inside a cave in Zion Canyon.
- October 29: Then Lieutenant Elizabeth Taggerdy is contacted by then only secessionist Roger Maxson.
- October 30: The Boylston Club has its Memoriam Gala, those that attend agree to commit mass-suicide rather than live in a post-nuclear America.
- October 30: Lavonne made a telephone call to her friend warning him of the nuclear devastation. He followed her coded advice and sent his teamsters home to their families.
- October 31: The military begins sending out Vertibirds to towns across the United States with medical supplies in an attempt to treat the injured and dying and guard towns with the two-man teams that piloted the Vertibirds.
- October 31: A black rain (caused by the irradiated material and carbon from widespread fires being spewed into the upper atmosphere) begins to come down in areas across the United States and likely the globe, causing a spike in radiation levels in affected areas.
- November: Captain Maxson, his men, and their families, arrive at the Lost Hills bunker a few weeks later, suffering many casualties along the way, including Maxson's wife (but not his teenage son). The surviving soldiers go on to become the Brotherhood of Steel.
- November: During the Exodus, a faction within the Brotherhood of Steel led by Sergeant Dennis Allen breaks off to explore the southeast Glow to recover technology. The Captain refuses to permit that, so Allen and his separatist group splits away from the Brotherhood of Steel, taking power armor and weapons with them.
- November: The separatists make their way to the West Tek research facility. They arrive there twenty days later, and are promptly chewed apart by the West Tek's unforgiving automated defense systems. Wounded, Allen begins to suffer radiation poisoning from a leak in his suit. Before he dies, he logs what happened to the expedition into a holodisk.
- November: Ms. Carrie Delaney is the last adult to leave Little Lamplight Caves in search for help. Ten year old child Jason Grant takes charge in her absence.
- November 1: Theodore Croup wakes to the complete devastation of his family, who began suffering from ghoulification.
- November 1: The Foreman of a South Boston factory learned via radio that Framingham, Massachusetts was completely devastated.
- November 2: A Special Election for Senator of the Appalachia Territories was to take place on this day, filling the vacated seat of Samuel Blackwell.
- November 2: Psychoactive drugs are released throughout Vault 106.
- November 4: Camp Venture was secured by Taggerdy's Thunder in preparation for winter.
- December 14: The Whitespring inventory reveals a stockpile large enough to last a decade if not more.
- December 25: The security and support staff of Vault 111 celebrates Christmas.
- The dwellers of Vault 87 are locked in airtight chambers and exposed to the FEV by the Vault's Overseer and his security, who are simply, though callously, following the "plan" laid out by Vault-Tec. The vault's population is transformed into super mutants.
- The planned opening of the Angry Anaconda at Nuka-World.
- January 1: The General Atomics Galleria was planned for automatic re-opening.
- Rex Meacham finishes Project Cobalt.
- January 8–10: What sounded like a two day windstorm occurred in Zion Canyon, the radiation dropped 500 rads.
- January 15: Glowing green snow fell in Zion Canyon.
- January 26: The city of kids, Little Lamplight is officially founded. By unanimous vote Jason Grant is named as the city's first mayor.
- January 28–30: The background radiation in Zion Canyon is finally low enough for Randall Clark to explore outside the USGS research station. He quickly finds himself to be the only living thing in the immediate vicinity.
- February 2: Theodore Croup gathers the shuffling remains of his family together and locks them in the basement, unable to bring himself to end their suffering, and went out to look for other survivors, both human and ghoul alike.
- April 23: Vault 111's 180-day mandatory shelter period elapses, but the overseer refuses to open the vault, having not received the scheduled all-clear signal. The support staffers and security grow restless with their continued confinement and plot a mutiny.
- Hermes-13 and Hermes-14, intended for use in the latest manned mission to Mars. However, as the war with China intensified, the Enclave and Department of Defense agents seized control of the Space Center and tried to retrofit the rockets for travel to B.O.M.B. 002 and another planet. Summer: The planned launch date for
- July: The United States Space Administration's Mars Shot Project was originally planned for this month, however the administration decided to delay the launch due to its fears of exacerbating the then current geopolitical conflict..
- July 21: The snow finally thaws in the mountains after a winter of the century, radiation levels are down, The Whitespring Resort comes back to life.
- August: Shannon Rivers makes her first excursion as the "Mistress of Mystery".
- August 3: Carmen Greene, Matthew Johnston, Elizabeth Chambers and Joel Chambers of Vault 51 are killed during a confrontation regarding the affairs they are having with one another. Their bodies are found by Helen Marks and Reuben Gill.
- August 6: Omar Stephens finds Helen Marks dead, presumed poisoned, in the Vault 51 mess hall. Her death spurs Reuben Gill to go on a rampage, killing all the residents in the vault.
- August 30: The Whitespring Resort is locked down to maintain its supplies.
- October 23: Vault 94 re-opens as the mandatory minimum shelter period ends. Vault ambassadors are dispatched as missionaries across Appalachia to aid and assist survivors
- November 11: Shannon, Frederick, and Olivia Rivers discover four children in their garage, scavenging. The girls are accepted, the boy, Brody Torrance was sent away.
- November 20: The mayor of Harpers Ferry, Miranda Vox, sends a group of survivors with an ambassador from Vault 94 to investigate their claims of being able to feed the town. Certain the dwellers’ hospitality is a trap, the group massacres the vault’s leaders and attacks the vault’s G.E.C.K. unit, triggering a massive nuclear explosion. A thick fog pours from the vault’s entrance, rapidly intensifying the area’s swampy environment and mutating the region's thick foliage to create The Mire.
- December 1: The Whitespring Resort's "Modern Heritage" initiative automatically activates, surprising the staff and guests.
- December 12: The Whitespring Resort's staff learns that the "Modern Heritage" initiative cannot be overridden and the guests will be kicked out on January 1. Guests and staff prepare for expulsion.
- December 31: The Whitespring Resort host its last New Year's Gala, supplies are doled out, and people move out into the wasteland. A group decided to take out the robots at the golf course and use it as a base of operations.
- Winter: The first winter after the Great War is especially tough in Charleston and becomes one that all others are compared to for severity.
- Raleigh Clay gives the all-clear signal for Free States members to emerge from their bunkers. Clay is contacted by the mayor of Harpers Ferry, desperate for assistance following the nuclear attacks. Despite previous misgivings between the townsfolk and the Free States, Clay ultimately agrees to provide aid.
- A group of Free States members secures the Thunder Mountain power plant but is later assaulted by Taggerdy's Thunder. After a two-day siege, the group chooses to surrender the complex.
- February 4: The Puppet Man opens the crate of puppets for the first time initiating Vault 77's social experiment.
- March 30: The Puppet Man and the rest of the puppets celebrate The King's birthday.
- April 29: The Order of Mysteries is founded.
- December: The Puppet Man leaves Vault 77.
- The first effects of radiation are seen in the survivors. Widespread mutations occur with animals and humans alike. Those that survive the effects of the mutations are permanently changed. New species are created almost overnight.
- John Bloch's military group makes a peace-protection pact with local ranchers.
- The artificial intelligence Skynet, in Sierra Army Depot VI, becomes self-aware, according to its own records.
- Camp Venture is already providing survival training to members of the Free States.
- January 3: Brotherhood recruit E Fisher goes AWOL from Camp Venture at the end of training and steals several supplies in the process, including a combat shotgun and ammunition. Ted Wilson attempts to track Fisher down but loses his trail at the base of the Savage Divide.
- June 20: Asher sets Quercus up in the Mire. Brotherhood of Steel ranks are implemented by this point. Squire
- October 23: The Vault-Tec Corporation operative initiates the experiment of Vault 95. Despite the complete chaos and violence that engulfed the vault its inhabitants would survive until Gunners overwhelmed them.
- December 10: Paladin Elizabeth Taggerdy requisitions supplies from Charleston for fighting Huntersville mutants, Speaker Abigale Poole reluctantly agrees.
- December 24: Cutthroats second in command, Rosalynn Jeffries, attempts to raid Charleston but is captured. Her capture is used by the Responders in an attempt to get to the leader of the Cutthroats David Thorpe to negotiate a prisoner exchange. Thorpe responds by destroying Summersville Dam with a mini nuke, killing Rosalynn and triggering a disaster that would come to be known as "the Christmas Flood."
- December 25: The Christmas Flood, the City of Charleston devestated. Shannon Rivers decides that raiders are a major threat.
- The Brotherhood of Steel's priorities begin to change focusing on securing essential supplies from nearby factions in order to begin operations to hunt and kill Scorchbeasts.
- Following a loss of contact with other Enclave installations, the Whitespring bunker holds an emergency election for the position of President. Secretary of Agriculture Thomas Eckhart wins by manipulating the automated voting systems.
- January 11: Carol Sweeney and a few raiders leave the Cutthroats and desert from David Thorpe in disgust over their gang's role in The Christmas Flood.
- March 5: After surveying the Divide all winter, Shannon Rivers decides to let her pupils fight on the frontlines.
- May: Throughout the month Randall Clark notes mutated life returning to Zion Canyon. Particularly, prickly pear, honey mesquite, banana yucca, Bighorners, stinging flies larger than normal lizards, and something dragonfly sized that zaps them in mid air then scoops them up.
- Summer: The city of Necropolis is founded by the ghoul survivors of Vault 12 and the US citizens that fled to Bakersfield when the bombs fell.
- November 9: Brotherhood of Steel reservist K Kelly commits suicide at Camp Venture. Grant McNamara finds her body.
- February 15: Judith Blackwell dies.
- April 10–~June 17: Randall Clark leaves Zion Canyon to visit Salt Lake City, circling pockets of radiation and scavenging. Outside of Nephi he caught the trail of three men heading toward Fountain Green, he didn't follow however, believing them to be cannibals due to the missing corpses of the old couple he mercy killed on the day of the Great War.
- Spring: Set takes control of Necropolis, wrestling control from the original Overseer. The Vault 12 Overseer, not willing to take a dirtnap, is driven north and history loses sight of him.
- September 8: Olivia Rivers grows increasingly resentful of her mother's new persona as the "Mistress of Mystery", and their new Order of Mysteries. Particularly her role, seeing it as her having to be the "perfect, obedient little soldier."
- The planned date for the U.S. military to bring the VB-02 Vertibird, a Vertical Take Off and Landing (VTOL) aircraft, into service. For obvious reasons, this never happens, but the Enclave resumes development after regaining its footing.
- September: Carol Sweeney witnesses a giant bat emerge from a crack in the earth near Watoga.
- Major Ragnarsdottir of the Appalachian Enclave leads a military coup against self-proclaimed President Thomas Eckhart. Shortly afterwards they attempt to destroy the Whitespring bunker's administrative AI, MODUS. MODUS responds by destroying the bunker's weapons lab and sealing the exits, releasing deadly toxins into the air circulation and killing all Enclave personnel.
- February ~8-14: The Order of Mysteries suffers its first casualty when Mistress Clarissa is killed in action and all members are given two days off. Clarissa's death hits Olivia Rivers particularly hard exacerbating her anger, frustration and sadness, and making her sympathetic to raider behavior. Other members start to question the Order's methods.
- March 26: Tex Rogers receives a training commendation, the first one issued at Camp Venture, and is fast-tracked for promotion to full Knight of the Appalachian Brotherhood of Steel for the upcoming offensive in Huntersville.
- May 22: Eve Devoir becomes the "Mistress of Novices" of the Order of Mysteries.
- June 1: The Battle of Huntersville ends with the Brotherhood of Steel and Responders standing together. Roger Maxson formulates a new mission for the Brotherhood.
- June 8: Olivia Rivers attacks a raider checkpoint, after recognizing Brody Torrance. Seeking inroads into the raiders, she makes him an offer – information for information.
- June 9: David Thorpe accepts Brody Torrance's idea of infiltrating the Order of Mysteries.
- July 1: Brody Torrance is 200 caps behind in his quota, no closer to infiltrating the Order of Mysteries.
- July 19: David Thorpe has Rose dispatch five men to Summersville to set up the ambush proposed by Brody Torrance and Olivia Rivers. Brody is ordered to bring back the head of the Mistress or forfeit his in lieu.
- July 24: The raider ambush of Mistress Allison Long is sprung when one of the attackers acts early. Olivia Rivers is forced to kill her fellow Mistress to ensure the success of the ambush. Brody Torrance brings Allison's head to David Thorpe and Olivia carries her body back to Riverside Manor.
- September 21: To more easily set up ambushes for the remaining members of the Order of Mysteries, Olivia Rivers travels to Sugar Grove to retrieve a automated data exfiltration holotape to copy Cryptos and deliver it to the raiders. She passes the holotape to Brody Torrance, including a threat to David Thorpe about keeping up his end of their bargain.
- October 7: After the seventh confirmed loss to the raiders, the Order of Mysteries accelerates and automates its training.
- October 10: Three more Mistresses of Mystery are confirmed dead and, with two others missing, the Order goes into lockdown. Only Eve, Olivia and Shannon Rivers are allowed to leave Riverside Manor grounds.
- November 13: Mistress Rachel West catches on to Olivia Rivers' betrayal. Olivia walks in on Rachel informing Eve Devoir of the situation and kills them and the remaining members of the Order. Olivia writes one last message to her mother to meet her at their camping site at Seneca Rocks.
- November 16: With the end of the Order of Mysteries in sight, David Thorpe instructs Brody Torrance to leave no loose ends.
- November 18: Shannon Rivers writes her final message, effectively disbanding the Order of Mysteries.
- November ~18: Olivia and Shannon Rivers confront one another at Seneca Rocks. Olivia kills her mother but is betrayed by Brody Torrance who guns her down after her victory, ending the Order of Mysteries.
- December: After most of the initial survivors in the Reservation succumb to radiation, those "fortunate" enough to not die have turned into ghouls. And after spending ten years underground, they finally come back to the surface. Twelve ghouls, including Dr. Willem Clark, volunteer to search the wastes in the hopes of finding other survivors.
- The computer in Mesa Verde fails. The scientists resort to carving their most important schematics into the kiva walls.
- December: Of the twelve volunteers to explore the wastes, only one comes back to the Reservation; Dr. Willem Clark. However, he has brought back a few dozen fellow ghouls to seek shelter at the Reservation.
- Late April to May 3: The Brotherhood of Steel establishes an outpost at the eastern exit of Big Bend Tunnel to monitor and combat the Scorched and the scorchbeasts.
- Scientists in Mesa Verde began to drill the village children in the ways of mathematics and science so that knowledge is not forgotten. They hope that their descendants will one day help bring civilization back to the wasteland.
- January: After explaining the hardships and prejudices placed against ghouls by smoothskin humans, the ghouls of the Reservation proclaim Dr. Willem Clark as their leader. Willem further solidifies his place as leader by explaining his plans to one day make the ghouls the rightful and true heirs to the Promised Earth and that becoming a ghoul was the next, logical step in the evolutionary process.
- Vault 29 opens. Harold sets out to make his fortune as a trader, making the circuit around the survivalist communities in the wasteland.
- Vault 8 opens 14 years after the Great War. Vault City is erected thanks to the Garden of Eden Creation Kit creating a fertile ground to build upon.
- The Los Angeles Vault opens. The Los Angeles ruins become known as the Boneyard, attracting survivors.
- Doctor Richard Moreau is exiled from Vault City for murder. After adopting a new name, Richard Grey, he starts his journey south, eventually settling at the newly founded Hub as a doctor and physician.
- March 11: At 05:13:46 AM, the National Isolated Radio Array error logging software disables itself.
- May 15: The first water readings are taken at Flatwoods.
- Angus founds the Hub in the ruins of Barstow, around a filthy oasis: The intact water tower. He starts trading with nearby settlements.
- February 20: The Responders deploy self-serve kiosks at their outpost in Flatwoods to help with the overflow of survivors coming from Sutton.
- July 20: Camp Venture is officially abandoned by the Brotherhood of Steel in Appalachia to focus on Fort Defiance and the Thunder Mountain power plant.
- Fall: The Big Bend Tunnel community continues to prosper, the Brotherhood of Steel still defending the eastern end of the tunnel.
- January 28: The Brotherhood of Steel launch Operation Touchdown, to wipe out the scorchbeast threat. After loss of contact with Paladin Elizabeth Taggerdy's team Senior Knight Ted Wilson orders all those who can to join his recovery team, to discover their fate and that of Operation Touchdown.
- January 30: Paladin Elizabeth Taggerdy's team successfully detonate explosives inside the glassed cavern, causing widespread tunnel collapses.
- February 2: Operation Touchdown is declared successful after three days of the absence of scorchbeast sightings.
- March 4: Brotherhood of Steel's continued requisitions put relations with Responders at nadir when the Brotherhood accidentally learns of Amy Kerry's Scorched Plague environmental monitoring program data.
- March 12: The Brotherhood of Steel demands details about Amy Kerry's project at gunpoint. Maria Chavez has no choice but to share some of the data, however she didn't share all the data, nor tell them where Amy Kerry is living. Relations between the BoS and Responders are permanently soured by this point.
- April 16: Amy Kerry finished automating her environmental analysis project in light of her being sought after by the Brotherhood of Steel. After hearing their power armor maybe less than a mile away from her home she decides its time to move. She locks her terminal and records a holotape message for Jeff Nakamura so he knows where to find her.
- June 3: After two months of clear skys scorchbeasts are seen in ever increasing numbers, the Brotherhood of Steel confirms Operation Touchdown was a failure.
- Summer: The Brotherhood consolidates all its forces at Fort Defiance and the Thunder Mountain power plant. The Brotherhood outpost at the east end of the Big Bend Tunnel is quickly abandoned. The Knight in charge, Melissa Reische, leaving most of their supplies behind.
- September 20 through November 15: 28 survivors from Mexico (eleven men, eight women, and nine children) arrive in Zion Canyon.
- August 13: With scorchbeast numbers increasing, and with the range of Scribe Grant McNamara's sonar array not able to attract all scorchbeasts to a kill zone, the Brotherhood of Steel resolves to fight to the last man.
- August 18: The defenses of the Thunder Mountain power plant are finalized, no soldier leaves their post.
- August 18: Fort Defiance falls. The Appalachian Brotherhood of Steel is almost entirely wiped out by the Scorched.
- August 19: The Thunder Mountain power plant falls to the Scorched Plague. The Brotherhood in Appalachia is wiped out.
- Post August 19th: The Free States create lures using sonic generator technology salvaged from one the Brotherhood outposts, to attract, trap, and kill scorchbeasts.
- The Free States are attacked by the Scorched and driven from Harpers Ferry to their bunkers. Raleigh Clay bans all efforts to recover what is left of the town. The faction begins researching countermeasures for the Scorched.
- Madigan encounters Free States and discusses expanding the SDS.
- Harold becomes a caravan master in the Hub. His business survives despite occassional attacks, at least until mutant attacks intensify in following years.
- January 1: Sofie Yates enrolls at Flatwoods as a volunteer candidate of the Responders.
- February: The inhabitants of Vault 22 abandon their vault due to an outbreak of Beauveria mordicana, mutated spores infecting most of the dwellers and overrunning the vault.
- February 11: 118 Vault 22 dwellers arrive at the Zion Canyon. Infected with Beauveria mordicana, their arrival brings spore carriers and spore plants. They clash with the Mexican refugees, killing some and capturing the rest.
- February 14: The Mexican captives are cannibalized by the Vault 22 dwellers.
- February 19 - January 13, 2097: Randall Clark embarks on a one-man guerrilla war against the Vault 22 survivors, killing a significant number of their party in traps and ambushes. The terrified survivors eventually begin attributing the attacks to a supernatural entity. By the time they flee Zion, the vault dwellers have lost over eighty people to a combination of these attacks and disease.
- June 15: Flatwoods is almost completely empty. Miguel Caldera transfers to Morgantown Airport to build shelters for survivors.
- July 6: Claire Hudson arrives at AVR Medical Center, and begins work on a vaccine for the Scorched Plague.
- July 18: Scorched confirmed in Flatwoods.
- July 24: Last sign-in by Garry Wilkins, Sofie Yates and Delbert Winters at Flatwoods.
- July 25: Cullen McLeeder begins his automated training at Flatwoods.
- August 1: Mike Scholler from the Free States arrives at Flatwoods after a fight at the bunker forces him out to trade.
- August 1: Claire Hudson prepares infrastructure for research into the Scorched vaccine.
- August 2: Mike Scholler trades armor for food and water, leaves for Fort Defiance.
- August 12: Scorched attack Charleston, nearly destroying the inoculation project.
- August 14: Dr. Adam Veen arrived at the Responders Flatwoods outpost seeking medical assistance after years of a terrible diet.
- August 20: The vendor bot of Flatwoods runs out of supplies after a lack of restocking. Dr. Adam Veen starts scavenging for supplies, to alleviate this problem.
- August 25: Brad Hooper checked in at the Responders Flatwoods outpost seeking medical attention after gigantic bugs attacked him at his shack near Vault 76.
- September 1: The Responders had not communicate with the Flatwoods outpost for some time. When Cullen McLeeder advanced to "Volunteer" from "Volunteer candidate", now able to use the database he discovers where the Responders were at that point, Morgantown Airport. He and some of those at the outpost leave Flatwoods to make contact.
- September 2: Dr. Claire Hudson made a breakthrough with the Scorched plague inoculation project. Upon hearing this, Maria Chavez informs Dr. Hudson that the Fire Breathers are itching to take the fight to the Scorched.
- October 20: Dr. Claire Hudson's research has stalled, unable to contact Jeff Nakamura acquire the blood samples and replacement fuse needed. Dr. Hudson came to the conclusion that she needed to leave instructions to finalize the Scorched vaccine should she not be able to complete it.
- October 20: Responders ready to seal Big Bend tunnel. Operation fails. Madigan gone.
- October 25: Responders researcher Kesha McDermott last signs in to the Responders Flatwoods automated computer system. She dying conducting her ongoing hydrology experiments.
- November 5: Leader of the Flatwoods Responders outpost Dassa Ben-Ami signed into the Responders Flatwoods automated computer system for the last time due to her dying in the Responders clinic.
- November 7: A massive number of scorchbeasts and Scorched begin massing for an attack on Morgantown Airport. All surviving Responders are recalled to defend their headquarters. The Morgantown Airport falls, the Responders are wiped out.
- November 20: Cullen McLeeder signed in for the last time at the Responders Flatwoods outpost, trying to contact the rest of the Responders. He unaware of their demise almost two weeks prior.
- Jonathan Faust leads a group of two hundred dwellers from Vault 15 into the wasteland. The group eventually forms into the Vipers.
- William Keller and his fellow ghouls flee Appalachia to join a larger ghoul community in Washington, D.C.
- January 13: J. Hendricks is promoted to overseer, leader of the Vault 22 survivors. He immediately orders an evacuation of Zion Canyon. thirty-four remaining Vault 22 survivors leave Zion Canyon after 10 months of ambushes by Randall Clark.
- January 17: Randall Clark finds a woman from Vault 22, named Sylvie, caught in a bear trap. She claims to have suffered terrible abuse at the hands of the men of the vault, prompting her to flee. Feeling sympathy, he tends to her wounds and takes her in.
- Spring: The remaining Appalachian raider gangs are destroyed. The survivors scatter and flee from the Divide in every direction. The Scorched push through the Big Bend Tunnel into the Forest, Carol Sweeney's community is wiped out.
- Spring: Vault 15 opens.
- Raiders form as food becomes scarce. The Khans and the Vipers emerge and become a permanent scourge on the wasteland. Winter:
- By this year, all human life in Appalachia (at least humans unprotected by vaults) has either been killed or infected with the Scorched Plague.
- Vault 76 strokes the egos of the overachieving Residents by having award ceremonies for mundane tasks and achievements. The Vault 76 World Cup keeps the more physically active contained as well.
- September 9th: After three years habitating together Vault 22 Survivor Sylvie became pregnant with Randall Clark's child. He records his apprehension in his logs before he traveled to Toquerville to gather medical supplies in preparation soon after.
- March 5: During the delivery of his son Michael with Sylvie, Randall Clark encounters complications, both her and the baby die in childbirth. Randall begins to seriously consider suicide after the loss of his second family.
- Vault 8's overseer retires. Vault City reforms its government, creating the Council of Citizens and the office of the First Citizen.
- Vault 76 overseer enacts rationing because of unaccounted population growth.
- May 22: After mutant attacks intensify, Harold forms an expedition to investigate the source of the attacks. Richard Grey is part of the expedition, as a scientist and physician.
- June 23: Harold's expedition locates Mariposa Military Base. The mutants at the base rout the party. Harold and Grey manage to reach the Vats, only to be separated: The robotic crane knocks Harold out and Grey into the FEV. The former later awakes in the wasteland, the latter mutates into the Master.
- June 27: Harold slowly turns into an FEV mutant. He is found in this state by a merchant caravan and returned to the Hub. As his flesh rots, but he doesn't die, he finds himself losing business and employees, until he's forced to live in an Old Town shanty.
- July: Richard Grey regains consciousness and manages to pull himself out from the Vats. The pain of the mutation is overwhelming, but he manages to reach the control room and begin recording his audio log, fading in and out consciousness for days or weeks at a time.
- July through November: The mutation stabilizes and Grey notices his greatly increased mental capacity, capable of resolving the most complex of philosophical questions. He begins experimenting on animals infesting the military base by exposing them to the Virus. When he dips a rat and a dog into the Virus at the same time, the resulting fusion inspires him to begin formulating a philosophy of unification. The Unity begins to form.
- October 23: Fallout 76 begins - Vault 76 opens its doors to the wasteland for Reclamation Day.
- A resident completes the the inoculation project to protect against the Scorched Plague.
- The unsolved mystery of the disappearance Freddy Wood is solved.
- Somebody gets the Rockhound atop Mount Blair to function again.
- Rose boosts her radio signal at the Top of the World with the help of a former Vault 76 resident.
- The plans for the Excavator power armor are rediscovered.
- The Scorched Detection System is finished using the recordings of the dead creators.
- A Resident becomes mayor of Watoga and uses a virus to upload a software update to the robots in Watoga, turning them passive
- A new General of the Enclave in the Whitespring bunker is promoted.
- A nuke is fired at Fissure site Prime.
- The residents of Vault 76 defeat the scorchbeast queen. The Scorched menace is ended.
- November: A human scavenger strays into the Mariposa military base. Grey reflexively consumes him, assimilating his mind. The incident results in him vowing never to consume a human again without dipping.
- December: Grey continues to modify himself by injecting FEV into various areas of his mutated body. He grows a neurolink to the base's computer. Further experiments on humans straying into the facility yield no success, as their exposure to radiation warps the mutation. The brain damage they suffer makes them unfit for assimilation or use as foot soldiers and Grey uses them as cattle, for sustenance.
- 2103-2130: The Master begins to gather test subjects from local human communities. The process is slow, hampered by their scarcity and the Great Winter of 2130, which ends this stage of his work.
- January: Grey finally isolates radiation exposure as the factor that was affecting transformation success rates. The first successful super mutant is assimilated by Grey as a fellow mind, creating the Master hive mind. The plans for the Unity begin.
- October 23rd: Wastelanders begins: The Residents of Vault 76 successfully kill the scorchbeast queen and put a halt to the expansion of the scorchbeasts and the Scorched. The Scorched Plague begins to subside and raiders and settlers begin to return to Appalachia.
- June 2: Reuben Gill escapes Vault 51 by smuggling himself out in a large crate. Although his life signs are detected by ZAX 1.3c, they are assumed to be a sensor error.
- August: Randall Clark encounters feral ghouls for the first time in Zion Canyon.
- The Institute is founded by the group of former Commonwealth Institute of Technology students who took refuge in the college's underground level at the time of the Great War.
- February 5: Randall Clark celebrates his 60th birthday. He plans to commit suicide, but backs out.
- Angus styles himself as Governor of the growing Hub.
- Skynet was given its final orders by its masters, then abandoned to guard Sierra Army Depot VI, according to its own records.
- April 25: 24 children, half boys, half girls, arrive in Zion Canyon from an unknown place. Randall Clark takes interest, and starts watching them from a distance.
- April 25 – January 23, 2124: Randall Clark begins leaving gifts, like books and medicine, and notes for the children to make the most of their new home. He signs every note as "The Father". The children later form the tribe the Sorrows.
- January 23: Randall Clark makes his final notes as he climbs up Red Gate to make sure the children will not find his body, and reveal the mythological "Father" figure to merely being an old man. He dies peacefully shortly afterwards.
- The Vipers attempt to raze the Hub in its formative years. Despite the numerical advantage, they are defeated by a coordinated defence led by Angus. Beaten, they retreat to the north.
- Winter: Angus is murdered. The Hub is thrown into chaos.
- A band of merchants seizes the water tower in the Hub. They demand anyone wanting water must pay a toll. The Great Merchant Wars begin.
- 2126-2128: The Great Merchant Wars are fought, the Water Merchants seal up the town, but are outnumbered.
- A man named Roy Greene makes peace in the Hub and negotiates a settlement. The Hub's central council is formed, composed of two representatives from each of the Hub caravan companies. A long period of indecisiveness and meetings maintain the status quo in the Hub.
- A group of machinists comes to the Boneyard, settling into an old, abandoned factory and beginning to manufacture weapons and ammunition.
- 2131-2135: The Master switches to using caravans as source of humans for super mutant conversions. The intensifying trade yields many more humans, but the raids go unnoticed, blamed on monsters in the desert. The super mutant army grows rapidly over the next four years.
- Elder Roger Maxson dies of cancer, and his son, already an accomplished soldier, takes up the role of "General" (Elder) within the Brotherhood of Steel. John Maxson becomes a member of the Paladins, showing tremendous promise as a soldier.
- The Master's super mutant production begins en masse. Although the success rate is between 15 and 20%, with only a half surviving long enough to become a part of his army, the program is deemed a success and the Unity becomes a reality.
- Around the early 2150s the Vipers recover from their defeat by Angus at the Hub, replenish their ranks from captured slaves and caravan drivers, and begin to establish a power base in the badlands to the north of the Hub (and south of the Lost Hills Bunker). Driven by a religious frenzy (and the need to provide for their much larger numbers of soldiers and disciples), they begin raiding more frequently than before, attracting the attention of the Brotherhood of Steel.
- The Brotherhood of Steel Elder Council sends out Knights to seek traces of Sergeant Dennis Allen's separatist group. All they find is ruins.
- The Crimson Caravan Company is founded by Demetre Romara.
- The Boneyard machinists run out of scrap in the surrounding area, form trade relations with Adytum.
- The Master's forces slowly expand their influence through the wastes. In the course of their duties, the super mutants apprehend a group of doomsday cultists under Morpheus, a former member of the Rippers. Instead of conversion, they pledge allegiance to the Master and form the core of the Children of the Cathedral, the public face of the Unity.
- The machinists in the Boneyard name themselves Gun Runners.
- The Brotherhood deploys several squads of scouts to track the Vipers down. Treated more as a training exercise, the detachment is headed by High Elder Maxson despite his advanced age. The Elder misjudges the Vipers, who do not break and run, but continue fighting. Maxson is nicked by a single poisoned arrow with his helmet off and dies within hours.
- The Brotherhood begins a full scale campaign of extermination against the Vipers. Within a month, the raiders are broken as a fighting force, with many fleeing to the north and east. Stragglers remain within New California for several more years, but are no longer a threat to communities south of Junktown.
- The Unity apprehends a caravan of Vault dwellers from the Boneyard Vault. Under Master's orders, the Vault and its inhabitants are seized. He transfers his command there and begins sending his troops to their suspected locations.
- Vault 17 is raided, providing prime subjects for super mutants. Lily Bowen is among those captured.
- The Master establishes the Children of the Cathedral, an ostensibly peaceful cult that would infiltrate the settlements in the wasteland and provide vital intel for the Unity. Morpheus is selected as the face of the cult.
- Vault 12 is located by the Master under Bakersfield. The super mutant detachment sent to the city engages the ghouls living among the ruins. Outmatched and outgunned, the ghouls eventually surrender to the Unity. Set negotiates a ceasefire, revealing that the ghouls are what remains of Vault 12. Their plans frustrated, super mutants establish a small outpost at the water shed, to insure Set's cooperation.
- Regulators take control of Adytum. The trade relations with the Gun Runners sour, as the trade begins to favor the settlement heavily.
- October: A Brotherhood of Steel patrol comes across a dead super mutant in the badlands. They take the corpse back to the Scribes, and Head Scribe Vree begins her examinations of the super mutant.
- December 5, 07:21: Fallout begins The Vault Dweller is sent out into the wastes to find a replacement of the Vault 13 water chip.
- December 15: The Vault Dweller discovers Shady Sands. Meets Tandi, and Ian, who joins the Vault Dweller in searching for the water chip.
- December 30: The Vault Dweller recruits Dogmeat in Junktown.
- December: Killian Darkwater takes firm control of Junktown, drives out the last of Gizmo's kind, and then enforces his own brand of frontier justice. Life is fair and safe under his law.
- December: Thanks to the vault dweller's persistence, the Khans are completely destroyed, leaving only one survivor named Darion.
- January: With the Vault Dweller's assistance, Harold brings the new ghoul population of the Hub into equality with the humans. The two sides work together, and the Hub prospers.
- January 4: The Max Stone visits Scrapheap.
- January 5: Someone starts stealing water from the store room in Vault 13.
- January 17: The Vault Dweller reaches the Hub and negotiates with the Water Merchants to deliver water to Vault 13, buying the Vault some time.
- February 13: The Vault Dweller recovers the water chip in Necropolis. Ian is killed by a super mutant and reduced to a cinder.
- February 23: The Children of the Cathedral establish a clinic in Junktown.
- March 3: The Vault Dweller kills the Master. The Cathedral is destroyed in nuclear fire.
- March 5: The Boneyard would have been invaded by the Master's Army.
- March 24: Unity attacks Necropolis, forcing most ghouls to flee and sparing none of the ghoulish inhabitants that stayed, leaving a truly dead city behind them
- April 4: The Master's Army would have invaded the Hub.
- April 20: The Vault Dweller destroys the Mariposa Military Base. Dogmeat dies defending his master, vaporized by a forcefield.
- May 10: Fallout ends - The Vault Dweller returns to Vault 13, only to be told to leave by Jacoren. Some members of the vault (led by Theresa, the head of the "return to the surface" faction, and including her supporters, Pat and Lyle), follow soon afterwards. The Vault Dweller marches into the wasteland, leaving Vault 13 behind him.
- May 12: Vault Dweller removes his Vault suit and from this day forward, never wears it again.
- May 23: Lost Hills bunker. The Master's Army would have invaded the
- July 2: Junktown. The Master's Army would have invaded
- July 10: The Vault Dweller heads north with a small group of fellow vault dwellers and wastelanders and founds the small village of Arroyo.
- July 22: The Master's Army would have invaded Shady Sands.
- Post May 10th (ie Fallout ending): The Brotherhood of Steel helps the other human outposts drive the remnants of Unity away with minimal loss of life, on both sides of the conflict. The advanced technology of the Brotherhood is slowly reintroduced into New California, with little disruption or chaos. The Brotherhood of Steel wisely remains out of the power structure, and becomes a major research and development house.
- April 19: The Master's Army would have invaded Vault 13, ultimately ending Fallout. (Original unpatched game)
- May 12: Vault Dweller removes his Vault suit and from this day forward, never wears it again.
- July 10: The Vault Dweller heads north with a small group of fellow vault dwellers and wastelanders and founds the small village of Arroyo.
- Followers of the Apocalypse reports from this year are the first to confirm the existence of an intact Hoover Dam.
- Fallout ultimately ends, as the Master's Army would have discovered Vault 13. (Patched versions of the game)
- August: The Institute begins researching FEV and creates the first Institute super mutants in an effort to create a replacement for their synths.
- The Commonwealth Minutemen are formed. They rise to prominence following their courageous defense of Diamond City from Institute super mutants.
- With their village having outgrown available space and resources, many Ciphers adopt a nomadic lifestyle, returning to the village only occasionally to resupply or raise children until they're old enough to walk on their own.
- Summer: Marcus and Paladin Jacob confront each other at high noon. After trading blows and gunfire for a few days, the two finally give up trying to kill one another. They become fast friends and start traveling together, discussing the Brotherhood and the fallen Unity. Eventually, humans, ghouls, and super mutants begin to join them.
- Fall: Broken Hills is founded around an old uranium mine by Marcus and Jacob..
- In Shady Sands, Tandi helps her father Aradesh bring a new community and new life out of the broken remains of the world. A trial council government of the New California Republic is formed, drafting a constitution. Its ideals spread across the land.
- Spring: Jacob says goodbye to Marcus, then moves on for parts unknown.
- The New California Republic is voted into existence as a sprawling federation of five states: Shady Sands, Los Angeles, Maxson, the Hub, and Dayglow.
- The Followers of the Apocalypse rise to become a major influence in New California. Thanks to the Vault Dweller's help, they gain control of the L.A. Boneyard.
- Vault 70 opens and its residents use their three G.E.C.K.s to found the city of New Jerusalem in the ruins of Salt Lake City.
- Chris Avellone becomes the mayor of Springfield.
- January 4: Latham's airship crashes near Osceolla.
- January 5: Latham takes leadership of Gammorin's Army. As their new leader, he discovered that the supermutants are a simple, good people, with a loyalty stronger than that shown by regular humans. With the help of other crash survivors, he reorganized the mutant group into a fighting force. However, he began to notice symptoms of brain damage sustained in the duel: Hallucinations and bouts of angers and depression.
- April 9th: Gammorin's forces inadvertedly wake up the Calculator, nearly leading to a holocaust of epic proportions.
- After the death of Aradesh, Tandi is unanimously elected President of N.C.R. by the NCR council. As expected, she proceeds to do a kick-ass job.
- January 1, 06:29: Fallout Tactics begins - A Brotherhood of Steel squad, led by the Warrior, is sent to free the village of Brahmin Wood of raiders.
- April 6: Brotherhood forces clash with Gammorin's Army. Latham abandons the Brotherhood cause entirely.
- The Enclave resumes work on various pre-War technologies, including power armor variations. None of these are much of an improvement over the conventional old power armor, and some are actually worse.
- Fallout Tactics ends - During the attack on Vault 0, the Warrior stops the Calculator, averting a holocaust of epic proportions at the hands of its robotic army.
- After years of trying the "natural" way, the ghouls of the Reservation discovered they were indeed sterile. Dr. Willem Clark and Dr. Sebastian begin to devise a plan to create a viable way for ghouls to procreate.
- CVRIE now finished with her decades long broad-spectrum cure placed an emergency call to Vault-Tec to make them aware of the success. All the while the secret section of Vault 81 would deteriorate due to lack of maintenance, and the mole rat escape started by Clyde the mole rat.
- New California Republic introduces laws protecting ghouls and other mutants within its territories.
- January 16: After writing his memoirs, Vault Dweller vanishes from Arroyo and is presumed dead. The Vault Dweller leaves the vault suit behind, folded on the bed. Some say the Vault Dweller was taken by the sky spirits, others say that the Vault Dweller felt it was time to move on and leave the Elders to guide Arroyo to its destiny.
- February 2: The One-Moon (Month) Cycle of mourning for the Vault Dweller ends, and activity in Arroyo begins to return to normal.
- February 2: Final training of the vault dweller's daughter for the role of village elder begins. She undergoes a great deal of physical training and tutoring in various sciences, mathematics, and, of course, weapon skills.
- Fallout: Brotherhood of Steel begins - The Initiate, a Brotherhood of Steel initiate belonging to the Texas Expedition, is sent to the town of Carbon to find Rhombus and his paladins.
- Just after the arrival of the Initiate in Carbon, the vault dweller also arrived in the town and settled for a while.
- Fallout: Brotherhood of Steel ends - With the indications of the Vault Dweller, the Initiate found the city of Los, destroyed the Church of the Lost and come into the Secret Vault. They activate the self-destruct system inside and took the escape monorail leading to an exit in the mountains, causing the destruction of the Attis Army, Los and the Secret Vault, and ending the Texas Expedition of the Brotherhood of Steel.
- January 31: The Vault Dweller's daughter takes her mystic test, a key ingredient of which is several pots worth of hallucinogenic plants from Hakunin's garden. She runs the gauntlet in the Temple of Trials, using her charm to pass most of the tests after her handgun jams (and is ruined) on the first level. She offers numerous criticisms of the test, resulting in many revisions.
- February 2: The Vault Dweller's daughter ascended to the role of village elder. She ruled with a steady hand, and her wisdom is greatly respected.
- Under Presidential Order, Enclave scientists begin to work on an upgraded version of power armor. Many prototypes are developed and tested.
- August 1: Congressman Dick Richardson rises to power within the Enclave, aided by pressure from his father, President Richardson.
- The Reservation begins to purchase human slaves from the various tribes around the region. The ghouls trade what weapons they make in their underground smithies for healthy humans. The healthiest are used for the ghoul procreation experiments, while the rest work until they die from exhaustion and disease.
- New Jerusalem's intolerant prophet and apostles repeatedly vote to have no commerce with outsiders from other, failed communities, refugees, or tribals.
- March 5: Congressman Richard "Dick" Richardson is elected president for the first term of five, through aid and political pressure by his father (the previous President Richardson).
- October: Enclave scientists develop a reliable version of the Mark II power armor. The prototype results (and accidents... and explosions... and deaths) are classified by order of the new President Richardson for the sake of morale.
- March: The Institute developed two promising strains of FEV, however it exhausted the possibilities of further research due to a lack of intact, non-irradiated undamaged DNA at their disposal.
- The residents of Vault 111 are briefly freed from cryonic suspension by agents of the Institute in a field operation led by Conrad Kellogg. The agents kidnap the infant Shaun and the Sole Survivor's spouse is murdered by Kellogg. The Sole Survivor then reenters suspension, while the rest of the residents' life support is turned off.
- July: After years of research and experimentation, Dr. Sebastian successfully creates a born ghoul through procreation in the Reservation. The human host, like all the ones preceding him, dies during childbirth (evidently hosts can be male or female).
- August: The first successful Born ghoul. Due to the radioactive chemistry of the ghouls, the first Born ghoul rapidly grows into adulthood within a month. The Born ghoul is named Measles due to his large, swollen glands in his jaw. Only three other Born ghouls will be birthed between this year and 2253. The procreation experiment only has a 2% success rate.
- The ghouls of Capital Wasteland are driven underground by hostile mutants and humans, forming the Underworld in the Museum of History.
- The Commonwealth Provisional Government is proposed. In what becomes known as the Massacre of the CPG, the government is wiped out before it gets off the ground.
- Not long after the Massacre of the CPG, what became known as the Broken Mask incident happens. A synth, completely indistinguishable from humans, malfunctions at Power Noodles and slaughters its patrons until city security destroys it.
- Edward Sallow is given to the care of the Followers of the Apocalypse in the Boneyard. The boy is being raised as a scribe.
- Around this time, the Boomers that had been wandering in the Mojave Wasteland come across the Nellis Air Force Base and settle in what will become their new refuge.
- High Elder Jeremy Maxson sends an expedition under Andrea Brixley east, to find Peterson's bunker. Brixley's team renovates the bunker and establishes their base within. For ten years, the Paladins explore the eastern fringes and form relations with neighboring tribes.
- Leonard Boyarsky is exiled from Vault City for murder... and unauthorized research regarding Vault City's pregnancy cycle. Which was deleted from their computer.
- New Jerusalem is sacked by a large group of tribals, raiders, and other disgruntled folk. A large number of Mormons perishes in the attack.
- The Enclave experiment on deathclaws, attempting to create special fighting units for waging war in hostile environments.
- While there had already been a small number of ghouls in the area soon to become the town of Gecko, the population swells and the town is founded. The new influx of ghouls bring scavenged technology and knowledge, as a result the power plant in Gecko becomes operational later in the year. Vault City looked upon their new neighbors with growing concern.
- The new Mormon living prophet, Judah Black, leads most of the remnants of the Mormon community north to Ogden, Utah. They establish the town of New Canaan.
- Working with some squatters, the Mormons get the Jericho water plant running fresh water into New Canaan.
- July 20: Enclave scouts discover the remains of the Mariposa Military Base and find it partially destroyed.
- July–August: Enclave scientists and chemical corps scour the remains of Mariposa, while assault squads comb the desert for slaves they can use to excavate the military base and get to the Forced Evolutionary Virus (FEV) vats. One of the squads includes soldier Frank Horrigan, age 25 at the time, recently removed from duty on the President's Secret Service detail to take some R&R time in the wastes after some undocumented psychotic blunder or another.
- August: Melchior is captured by an Enclave patrol and becomes part of the slave excavation force at Mariposa.
- September: Enclave construction crews and super mutant slaves begin excavations. They uncover the FEV, and mutations begin to occur in the human workers. Frank Horrigan comes into contact with the FEV and is sent to the Enclave labs for study.
- October: Melchior begins to mutate, but keeps his intelligence and cunning in the wake of the transformation, making him smarter than your average super mutant. Realizing that the Enclave will kill the super mutants after they get the FEV data, he begins to use his magician talents to hide away weapons for the mutants to defend themselves when the Enclave decides to dispense with them.
- 2236-2238: Horrigan gradually mutates from exposure to FEV, gaining the physique and slow, stupid, single-mindedness of a super mutant. He is kept heavily sedated, operated on, and studied. He is conscious for only brief periods at a time, then quickly sedated after the bloodshed is over.
- The remnants of the Naval Research Institute lead by Horace Pinkerton clear the mirelurks off the wreck of a beached aircraft carrier that later becomes Rivet City.
- January: The Enclave, having obtained the F.E.V. data, abandons the military base site after more mutations occur, causing a second generation of super mutants to arise - the Enclave leaves a single squad behind to wipe out the super mutants, but the mutants, using armaments they have cached in the base during excavation, reduce the squad to ashes after suffering heavy casualties. The remaining first and second generation super mutant slaves decide to remain in the base, and the group forms a new community.
- Harold arrives in Gecko, and (with a lot of shaking of his head) he does his best to help the ghouls with the running of the nuclear power plant.
- NCR explorers discover Eagle Rock and quickly realize that it is a source of energy and some water—albeit a dangerous source. Within the year, NCR miners are there, and more come shortly thereafter. Many of them are dregs/outcasts from other communities. The town of Burham Springs is established by Trent Burham, a wealthy NCR mine merchant.
- Thomas Moore comes to Vault City and becomes a Citizen
- January 23: Tests begin to run dry on Frank Horrigan. It is suggested that he be used as a field operative and be used in tests in the wasteland against local populations.
- March 27: Frank Horrigan is manufactured for his new role. A new version of power armor is built to accommodate his mass, and he is sealed inside. After a few horrifically successful field tests, Horrigan becomes the Enclave's solution to numerous sticky problems.
- April 25: Inaugural meeting of the Rivet City Council, consisting of Horace Pinkerton, Annette Holmes and Brad Danvers takes place. The city officially gains its name.
- Goodneighbor is founded.
- The Castle, headquarters of the Commonwealth Minutemen, is destroyed by a mirelurk queen that had risen from the sea and began attacking the fort. Radio Freedom goes off air.
- Around this time, Daisy Whitman's Vertibird crashes near the trapper town of Klamath due to a rotor malfunction. Later on, Lily Bowen uses parts from the broken craft to create her signature weapon, the Vertibird blade.
- By this time, Junktown has become a member of the New California Republic as part of the state Shady.
- Herbert Dashwood meets Argyle and steals his girlfriend. They are best friends ever since.
- In the Capital Wasteland, the settlement of Megaton is attacked by raiders. During the attack, Colin Moriarty's father is killed, and Colin inherits his wealth, including Moriarty's Saloon.
- The worst dry season in many years causes a drought in the Northern California area, hurting crops and brahmin in both Arroyo and Modoc.
- January: The first samples of Jet begin to arrive in Redding, courtesy of the Mordino family.
- February: Vault City rejects offers of alliances with both the Bishop family of New Reno and NCR.
- February: A survey party from Vault 101 led by Anne Palmer scouts the area of Springvale and Megaton.
- March: Raider attacks on caravans to Vault City begin.
- May 15: Fallout 2 intro - The Enclave sends a coded sequence to Vault 13, activating its central computer and declaring that it is time to leave the vault. Martin Frobisher gathers the Vault 13 dwellers together for the "Leaving The Vault" video, a tutorial movie of Vault-Tec about the rules to follow when vault dwellers left their vault.
- May 16: Less than a day later, Vault 13 is opened, only to be greeted by two Enclave verti-assault squads. The squads kill three of the vault dwellers who were "resisting capture" and storm Vault 13, kidnapping all the inhabitants.
- May 17: Enclave animal handlers drop an intelligent deathclaw unit into Vault 13 from a safe distance to kill anyone investigating the vault and cloak the Enclave's presence. Other intelligent deathclaws are sent into the desert surrounding Vault 13 to check for any escapees or witnesses.
- July 25, 08:24: Fallout 2 begins - The Chosen One begins his mystic test, descending into the Temple of Trials like his mother before him.
- July 27: The Chosen One leaves the failing community of Arroyo in search of the Garden of Eden Creation Kit.
- August 30: The Chosen One happens upon a confrontation between a Enclave squad led by Frank Horrigan and civilians. The civilians resist his demands and are executed. Luckily for the Chosen One, Horrigan merely scoffs at him as he tells him to go about his business, before leaving the scene with his goons.
- October 23: A vision of Hakunin appears to the Chosen One in his dream for the first time.
- Two synths, Armitage and A3-21, are built in the Commonwealth by the Institute.
- Nuclear Nellie, a howitzer style gun capable of firing a nuclear shell, is made functional at the Reservation. A "dirty" shell is created to use on Willem’s enemies. However, since the heavy lift cable is broken, there is no way to bring the gun from its underground lair.
- Jeremy Maxson renames Todd Peterson's bunker after his famous ancestor, Roger Maxson. He then sends a full complement of troops for occupation. Andrea Brixley is promoted to Elder, given the rank of General, and placed in charge. The remainder of her exploratory team is given the title of Elder as well.
- January 21: Hakunin appears to the Chosen One in his dream for the second time.
- April 21: Hakunin appears to the Chosen One in his dream for the third time, without regard to the progress of the Chosen One.
- July 20: Arroyo is attacked by Enclave soldiers, and the villagers are enslaved and brought to Control Station Enclave. The Chosen One has a fourth and final vision of Hakunin.
- Fall: Fallout 2 ends - The Chosen One enters the Enclave's oil rig using the damaged tanker and destroys the Poseidon oil platform, killing the President of the United States and ending the Enclave's plans for world domination.
- After the Enclave's destruction, the refugees of Arroyo and Vault 13 resettle, building a new community with the aid of the Garden of Eden Creation Kit. Finding themselves hundreds of miles from their Vault, the members of Vault 13 choose to join the villagers in establishing a new community, and their technical expertise, combined with the villagers survival skills, allow the new settlement to grow and prosper. Two generations of the same bloodline are re-united, and their savior, the Chosen One, becomes Elder, presiding over the village in the years to come.
- The Arroyo elder lives for many years after the destruction of the Enclave. She seems pleased that the ancient separation between Vault 13 and the Vault Dweller has been reconciled, and many are the times she tells the Chosen One she wished the Vault Dweller were alive to have seen the reconciliation take place. Certain that the safety of the new village had been secured and the new community was flourishing, the Elder passes away a few months later in her sleep. Many of the older Arroyo residents believe that she now lives in the vault of the sky, telling the Vault Dweller of the Chosen One's brave deeds.
- Relations between the Slags and residents of Modoc flourish. Between the two peoples, Modoc prospers and becomes a major farming community, supplying all the outlying regions with food.
- Metzger's slave trade in the Den expands greatly, giving him influence and power throughout most of the area. Breeding pens are started and eventually no one is safe from the threat of being enslaved. Travelers avoid the Den, hearing of the evils committed within its walls.
- Optimizing Gecko's power plant becomes the first step in forging a spirit of cooperation between Gecko and Vault City. Gecko's increased power production becomes instrumental in helping Vault City's expansion.
- In the years following the destruction of the Enclave, Vault City continues to stagnate, choking on its own isolationism. Its Vault 8 generator, which was never intended to support such a large population, prevents Vault City's necessary expansion. Eventually, the city is absorbed by NCR, which has spread steadily northwards since its founding.
- Not long after the destruction of the Enclave, the Bishop family of New Reno is blessed with a child. This child seems to have little in common with the Bishops, preferring instead to spend his days exploring the wastes. When he turns thirteen, he seizes control of the Bishop family and leads them to victory over the remaining New Reno families. He dies quietly in his sleep at the age of seventy-three, never having known his real father.
- Myron dies less than a year after the defeat of the Enclave, stabbed by a jet addict while drinking in the Den. His discovery of jet is quickly forgotten, and now there is no one who remembers his name.
- The Chosen One still hears mention of Harold from time to time. Apparently, the tree growing from his head has gotten larger, and if rumors are to be believed, fruit is growing from it. The seeds are said to remarkably tough, and several of them have taken root even in the most barren stretches of the wasteland.
- Several years after buying the excavator chip from the Chosen One, Marge LeBarge is able to purchase and control both the Morningstar and the newly opened Kokoweef mines. Marge is an easy choice for Mayor, and using her new political power, she makes Redding join the growing New California Republic in return for a seat in the NCR's Hall of Congress.
- With the destruction of the conspiracy to destroy the mutants, Broken Hills begins to thrive. Then the uranium ran out. The city, having lost its sole reason for existing, slowly disperses. The residents carry their riches with them, leaving the place a wind-swept, desolate ghost town. A few hold-outs remain, attempting to eke out a pathetic existence, but eventually, they too, disappear.
- Inspired by the example set by the Chosen One, Marcus eventually travels across the great mountains to the east, searching for other refugees from the Master's army. The Chosen One never hears from him again.
- With the support the Chosen One secured from the New California Republic, the Vault 15 squatters soon become self-sufficient and productive members of society.
- The Chosen One's help with Vault 15 launched the New California Republic's push to civilize its neighbors. Though there were many more obstacles to overcome, the NCR now had a foothold into the northern wastes.
- Shi eventually went into an uneasy trading relationship with the tanker vagrants after the destruction of the Hubologists, and the two groups went on to make San Francisco a major fishing and trading center.
- The Shi flourish, creating a botanical scourge on the radiation surrounding their beloved town. Though this vine cannot grow in other soils, the Shi take care to nourish it in their lands. They continue to grow in strength and prominence, forming the basis of a new empire.
- The destruction of the Enclave erases all trace of President Richardson from history. Now the title of "President" is used simply as a boogieman to frighten children.
- The tanker vagrants did as their namesake implies, drifted away.
- New Canaan in large numbers, telling stories about a war in the west. Refugees begin arriving in
- Judah Black dies of old age.
- NCR halts production on the railroad lines. The need for coal diminishes and the powder gangs rise up.
- Sallow and Bill Calhoun, a fellow Follower, are sent east to study tribal dialects, and meet with Mormon missionary Joshua Graham.
- During the expedition, Sallow discovers a cache of historical books, some of them regarding ancient Rome, including The History of the Decline and Fall of the Roman Empire by Edward Gibbon and the Commentarii de Bello Gallico by Julius Caesar himself, which fascinates the young man.
- Graham, Calhoun, and Sallow are captured by the Blackfoot tribe for ransom. The young Sallow uses his knowledge to train the tribals in the art of warfare, impressing them enough to become their leader.
- Sallow assumes the name of ancient Roman Dictator Caesar and makes Joshua Graham his right-hand man. He decides to create an empire modeled after the historical Roman Empire, intending to erase the tribals' individual identities and replace them all with a single, monolithic culture - the Legion. He tells Calhoun to go back to the Followers and spread the news of these happenings.
- 5th Engineering Company blows up Burham Mines, causing incredible fires to break out all over the area, even in veins of coal encased in rock. Many die. Many become gehennas. NCR abandons Burham Springs.
- After coming out of a strange and powerful fever, Jeremiah Rigdon claims that an angel appeared to him in a vision, calling him to be the living prophet of god.
- President Tandi becomes ill and dies at the age of 103. Her vice-president Joanna Tibbett is sworn in as new President of the NCR.
- Caesar begins his conquest of the tribes of northern Arizona, southwestern Colorado, western New Mexico and southeastern Utah.
- Hannibal Hamlin becomes a slave at the age of 15.
- Herbert Dashwood and Argyle took shelter in and were subsequently banished from Rockopolis.
- Almost half of the residents of New Canaan leave because they believe Jeremiah Rigdon is not the true living prophet. They leave with Bishop Mordecai.
- Burham Springs to start salvaging. Two years after the end of this influx, all are dead except Phil, Sparky, and Frank LaFrancis. Twelve daring people drift into
- Sulik's sister Kurisu becomes leader of Blackfoot tribe.
-  Members from Porter's team escape many times though there's nowhere to run and they are caught or surrender. At least one escape was planned by NCR Lt. Gov Dodge (Dodge hoped that Porter will loop back to pick up the money from the blown vault, but the escape he arranged only resulted in the 308th getting free, not the 370th, and since Porter didn't steal the vault money anyway he wouldn't know where to find it).
-  A lucrative slave trade is established with Caesar’s Legions and the Blackfoot tribe.
- Summer: A cholera outbreak at the Blue Destiny Brothel kills most of the prostitute in addition to Madam Destiny Chao, which shuts down the brothel for good.
- Caesar declares himself the son of Mars, Roman god of war.
- Approximately around this year, Harold appears in the Capital Wasteland. He is discovered by several people who began to worship him as a god, and a small and exclusive cult known as the Treeminders begin to form in secrecy. Bob began to blossom and many plants grew in this area, which became green with life, a stark contrast to the outer wasteland.
- Harmon Jurley becomes leader of the Paradise Falls slavers after Penelope Chase' death that resulted from leading the slavers to Rockopolis.
- Rockopolis is razed and its population sold to The Pitt. Argyle dies trying to escape.
- Denver. The work-release also made more room in the prison for some more dangerous prisoners, as the place was getting overcrowded. The prisoners travel with hobos, dodge tribals, lose about half their numbers (from clashes with slavers, tribals, radscorpions, and other monsters). Porter's gang (the 370th) and the 308th put on work-release to
- Daniel goes to find his six cattle in a storm and is captured by robots from the prison. Also, Bishop Mordecai and five others return to New Canaan as the sole survivors of their attempt to resettle New Jerusalem. They do not acknowledge Jeremiah Rigdon as the living prophet.
- Herbert Dashwood is voted "honorary ghoul" at Underworld.
-  Porter's gang reaches Denver. Goals: Once there, they were to see about scavenging as many building supplies as possible, establishing a track outpost, and pave the way for NCR occupation. They make camp.
-  Dogs overrun the old salvager camp.
- May 10: Jillian McKinley is apprehended by ULYSSES' robots. The Rusty Hooks lose their best and only mechanic/weapons smith. Sid is "volunteered" to take her place.
- Bloomseer Poplar arrives at the Oasis.
- 15-year-old Scott Wollinski is sold to a caravan merchant by his father, who hopes for a better life for his son. Wollinski would travel with the caravans for few years, working as an indentured servant, until buying his freedom and settling down in Canterbury Commons.
- June 15: Kyle "the Hook" and his Rusty Hooks discover Bloomfield Space Center and declare it their home.
- June 30: Sid figures out how to fire up the sub-reactor. Bloomfield has power once more, but sub-reactor is only operating at 45% efficiency.
- 38 NCR citizens are massacred by Mojave raiders. President Joanna Tibbett is voted out of office by the NCR congress after a "timid" reaction to the massacre, and is replaced by Wendell Peterson.
- President Peterson dispatches three battalions of NCR infantry into the Mojave Wasteland.
- October 23: The Prisoner escapes from Tibbets Prison, dooming the world and creating a holocaust of epic proportions.
- October 23: Sentry robots at Bloomfield become semi-active – not moving, but the optical lenses and sensors turn on and start surveying for escaped prisoners from the Big MT. The robots ignore the Rusty Hooks.
- October: Dr. Victor Presper and his NCR followers find security overrides for the turrets and security bots at Bloomfield, as well as the space rockets' launch codes. They invade Kyle's beloved Bloomfield – Kyle and his men do not resist Dr. Presper and his technically more advanced brigade – and launch themselves into space to dock with B.O.M.B.-001. Four NCR soldiers stay behind with the remaining rocket to prevent anyone from launching the second rocket. The Rusty Hooks keep clear of the launch pad and form an "understanding" with the NCR guards.
- Fallout 2 is programmed to ultimately end 13 game years after gameplay starts.
- A Brotherhood of Steel squad led by Owyn Lyons is sent to Washington, D.C. on the East Coast to search for technology.
- By this time, Caesar has established his Legion's capital in the ruins of Flagstaff, Arizona.
- On the way to the Capital Wasteland, the Brotherhood expeditionary force attacks the raider town called "The Pitt" and razes it to the ground. These events are later known as the Scourge. They only suffered one casualty, Ishmael Ashur who was believed to have been killed in action.
- The Brotherhood of Steel expeditionary force under Owyn Lyons arrives in the Capital Wasteland.
- The Brotherhood of Steel establishes the Citadel as their main base of operation in the ruins of The Pentagon.
- The child of the Chosen One, aged only thirteen, seizes control of the Bishop family and leads them to victory over the remaining New Reno families.
- The Capitol Preservation Society retrieved the Constitution of the United States from the National Archives.
- Around this year, Project Purity was established in the Jefferson Memorial.
- Allistair Tenpenny hires Tara Fields, Jeff Strayer, Dave, Dukov and Crowley to raid Fort Constantine.
- July 13: Fallout 3 prologue begins - The Lone Wanderer is born and Catherine dies during childbirth.
- James, distraught by the loss of his wife, travels to Vault 101 with his child via Megaton, with the help of Paladin Cross, abandoning Project Purity.
- Madison Li arrives at Rivet City and takes over as head of the city's science lab from Horace Pinkerton. Pinkerton's whole staff starts working with her instead. Incensed by this, Pinkerton moves to Rivet City's broken bow and becomes a recluse, continuing his experiments alone.
- James is hired by Overseer Alphonse Almodovar as Vault 101's vault physician.
- The Lone Wanderer's first birthday is celebrated in Vault 101.
- A generator in the Citadel overloads, creating errors in the artificial intelligence routines of the medical robot called Sawbones, giving him intelligence beyond his programming and a disliking for his human masters.
- Amata Almodovar's mother dies from unknown causes.
- Bannon arrives in Rivet City.
- A 7-year-old girl from Little Lamplight kills a mole rat with a knife as big as her arm, and is named after the weapon. She is considered to be a bona fide celebrity ever since.
- November: The Railroad's headquarters is raided by The Institute. Only one survives the raid and The Railroad is left in shambles. Most of those that survived by not being at HQ during leave out of fear. All in all, the Railroad is left with just 13 members to rebuild.
- The Great Khans arrive in the Mojave Wasteland.
- The Regulators first appeared in the Capital Wasteland around this time.
- Stanley Armstrong, a Vault 101 technician, loses a copy of Dean's Electronics.
- July 12: Stanley Armstrong with Andy's help, repairs Vault 101's water purifier.
- July 13: The Lone Wanderer celebrates their tenth birthday and receives presents: a Pip-Boy 3000, a kid's baseball cap, A birthday poem, a Grognak the Barbarian comic book, a sweetroll, and a BB gun.
- Under the command of General Aaron Kimball, the New California Republic Army entered the eastern Sierra Nevada region to drive out or eliminate all raider tribes operating in the Owens Lake area. The operation was successful and brought a lasting to peace to the eastern Sierra Nevadas.
- A slave named Caleb Smith escapes from his masters and joins a raider band.
- President Wendell Peterson begins the erosion of regulations enacted by the Tandi administration to limit the number of cattle and acreage per person. This led to the rise of Brahmin barons and Agricultural barons owning most arable land in the New California Republic. The erosion continued into the Kimball Administration where the laws were overturned completely.
- Pacification of the Mojave: NCR forces under then General Aaron Kimball finally destroy the tribes in the area surrounding Bullhead City, seizing it for the NCR. Kimball is elevated to the status of national hero.
- The Ranger Unification Treaty is signed between the NCR and the Desert Rangers. The NCR begins expanding into the Mojave.
- A slave named Hannibal Hamlin escapes from his master.
- Daisy Roe, the sister of Ernest "Uncle" Roe], wife of Louis Pacion, and mother of Derek Pacion is killed in a raider attack on her caravan.
- Three Dog restarts Galaxy News Radio, operating under the protection of Brotherhood contingents.
- The New California Republic establishes the Mojave Outpost.
- Johnson Nash and Ruby Nash move to Primm as agents for the Mojave Express.
- Nova moves to Megaton.
- Reilly starts Reilly's Rangers.
- NCR Rangers reach Hoover Dam.
- Corporal Sterling of the NCR Rangers is captured and tortured by Caesar's Legion legionnaires. He manages to escape by rolling into the Colorado River down an embankment and is rescued by fellow Rangers.
- Aaron Kimball retires from the military and runs for the office of congressman in the Hub (which insists on calling its delegates governors).
- Wendell Peterson is voted out of office and Kimball is sworn in as the new NCR president, just two months after his predecessor assumed the post.
- Mr. House recruits the Mojave Boot-Riders, Slither Kin, and a tribe of cannibals, turning them into the Three Families. Renovations of New Vegas begin.
- Benny becomes leader of the Mojave Boot-Riders after killing the previous chief, Bingo, in a knife fight over disagreements on joining Mr. House. As new chief, Benny joins Mr. House and accepts the new name given to his tribe by Mr. House, the Chairmen.
- President Aaron Kimball orders the occupation of the Hoover Dam as his first act of office.
- Attempting to occupy Hoover Dam, the NCR instead meet Mr. Robert House and the Three Families. The sides enter negotiations, resulting in the signing of the Treaty of New Vegas. NCR is allowed to control the Dam and to set up headquarters at Camp McCarran, while recognizing Mr. House and the three families as the rightful owners of the Strip. 5% of the energy from the Dam is transferred to the Strip while the rest goes to California.
- Hoover Dam restarts and the Strip blazes with light. The first trickle of privileged, curious NCR citizens visits the Strip. The Strip opens for business.
- Dennis Crocker was elected to the ambassadorship.
- The NCR Embassy is set up in the New Vegas Strip.
- Robert MacCready becomes the mayor of Little Lamplight.
- Hannibal Hamlin found the Lincoln Memorial statue's head and established the anti-slavery organization known as the Temple of the Union.
- August 3: The Lone Wanderer takes the G.O.A.T..
- Camp McCarran, NCR's headquarters in the Mojave Wasteland, is established. Conflict with the Mojave Chapter of the Brotherhood of Steel begins.
- The NCR government ceases to officially support the Followers of the Apocalypse, turning to the Office of Science and Industry.
- Maggie's parents die in a raider attack, and she is rescued by the caravan guard Billy Creel.
- The NCR restarts Hoover Dam and gets it to 50% capacity within a year of occupying it.
- Legion scouts report the NCR has occupied and restarted Hoover Dam, restoring electrical power to the Strip. Caesar begins planning war against the NCR.
- 2275-2276: Legion forces gradually assemble east of the Colorado River. The NCR becomes aware of the threat when scouting parties fail to return from expeditions east.
- Henry Casdin and several members of the Brotherhood of Steel (East Coast chapter) leave the Citadel and form the Brotherhood Outcasts.
- Freeside has near completely degraded into lawlessness. The Kings are formed, with support from the Followers of the Apocalypse, becoming the only form of law and order in the area..
- The Van Graffs come to Freeside, establishing their operations in the Silver Rush. The Kings protest the kicking out of the original owner, but a few well placed plasma bolts resolve the problem. The Brotherhood ignores the Van Graffs under orders from Elder Elijah.
- Horace Pinkerton enters Vault 112 and salvages computer parts, acquiring a memory chip for a circuit neuralizer.
- DiMA kills Captain Avery and replaces her with a synth to establish better relations with Far Harbor.
- October: NCR executes Operation: Sunburst, expelling the Mojave Wasteland Brotherhood of Steel from the HELIOS One facility. The Brotherhood's Elder, Elijah, disappears into the wastes. With no one to lead, then Head Paladin Nolan McNamara takes over as leader and retreats all wounded and remaining forces into Hidden Valley.
- October 2: William Brandice moves his family to Grayditch, after leaving Navarro, deserting from the Enclave army.
- November 15: The scientist and doctor Weston Lesko appears in Grayditch, moving in with the Wilks family. He soon relocates into a shack nearby.
- Caesar's Legion moves into the Mojave, setting up their base of operations at Fortification Hill.
- The Courier delivers a mysterious package containing ICBM launch codes for the local missile base to Hopeville. After dropping it off and leaving, several nuclear detonations begin to occur underground destroying Hopeville and Ashton and several NCR supply lines and land routes by sinking them into the earth. In the aftermath, the land that encompassed Hopeville and Ashton becomes known as the Divide among local tribes and the NCR.
- The First Battle of Hoover Dam takes place. Caesar's Legion forces under the command of Joshua Graham attempt to take the Hoover Dam from the NCR. Although the attack is initially successful, the NCR lures the Legion into a trap and sends them retreating. Most of Boulder City is reduced to rubble in the battle. Legate Graham, deemed responsible for the defeat by Caesar, is coated in pitch, lit on fire, and tossed into the Grand Canyon to set an example for others.
- Rex is lost during the First Battle of Hoover Dam fighting for Caesar's Legion. Damaged from the battle, he was found by a scavenger who brings him to Freeside and is bought by The King who has the Followers of the Apocalypse repair him to working order.
- A band of raiders attempt an assault on Megaton but fail when their leader Boppo is shot and killed by the town sheriff, Lucas Simms.
- Doctor Weston Lesko begins his experimentation at Marigold station, attempting to decrease the size of giant ants, turning them into fire ants by accident, which then proceed to destroy the town of Grayditch.
- August 17, 09:04: Fallout 3 prologue ends and Fallout 3 begins - James disappears from Vault 101 and his son/daughter, the Lone Wanderer (aged 19), heads to the surface to search for him.
- The Lone Wanderer enters Megaton in search of their Father and meets Moira Brown at the Craterside Supply, Moira with the help of the Lone Wanderer, writes the Wasteland Survival Guide. The book becomes so widely used that it migrates across the United States, with copies turning up in the Mojave Wasteland as early as 2281 by way of caravans.
- October 23: The originally planned completion date for Vault 13's assigned experiment in prolonged isolation.
- The Brotherhood Outcasts seek assistance when trying to recover valuable pieces of technology from the Virtual Strategic Solutions facility in the Capital Wasteland. The Lone Wanderer arrives later on at an unknown date and assists them by taking part of the Anchorage Reclamation simulation.
- A slave by the name of Wernher travels to the Capital Wasteland from The Pitt by way of a rusty handcart, seeking the help of someone to free "his" people from their slaver oppressors and encounters the Lone Wanderer, who decides the fate of the slaves and changes the destiny of The Pitt forever.
- James, the Lone Wanderer's father, sacrifices himself at Project Purity to thwart Colonel Autumn's attempt to commandeer the facility. Everyone else at the project survives.
- Marcus, having gathered a group of other Mariposa super mutants and Nightkins around him, settles down in and around the Black Mountain radio complex, hoping to create a safe-heaven for super mutants.
- The Lone Wanderer embarks on a search for a Garden of Eden Creation Kit.
- Fallout 3 base-game ends - The Lone Wanderer activates Project Purity, declining the Enclave's request to sabotage the purifier, and the Capital Wasteland is changed forever. Adams Air Force Base is also destroyed. The East Coast Brotherhood of Steel begins to distribute Aqua Pura to a thirsty Capital Wasteland. Regardless of the Lone Wanderer's decision in the mobile base crawler, the Enclave still lose the war, and lose almost all influence and prominence in the Capital Wasteland, leading them to an uncertain future.
- Madison Li leaves the Capital Wasteland and travels to the Commonwealth.
- A steamship, the Duchess Gambit, travels down the Potomac River and docks to the southeast of Alexandria Arms in the Capital Wasteland. The ferryman offers wastelanders a chance to travel to Point Lookout. The Lone Wanderer embarks on a journey to seek out pre-War treasures, but instead discovers a feud between two parties from before the War.
- The Earth is saved by the Lone Wanderer from an alien threat when they are captured in the northern Capital Wasteland by an alien mothership named Zeta, taking the control of the ship with a typical group of survivors from Earth's past, and destroying another alien mothership near Zeta.
- Vault 81 opens its door to the Commonwealth inviting communication and much needed trade with any friendly settlements. This move is made out of dire necessity for food and parts to maintain the two hundred year old vault as there is still a great deal of isolationist sentiment amongst the population.
- Fallout 3 ends - The Lone Wanderer activates Project Purity, either with or without the modified Forced Evolutionary Virus of the Enclave and the Capital Wasteland was changed forever.
- Raven Rock is destroyed, as well as Adams Air Force Base, the Citadel might also be destroyed depending on the Lone Wanderer's actions. Lyons' Brotherhood of Steel begins to distribute aqua pura to a thirsty Capital Wasteland.
- A steamship, the Duchess Gambit, travels down the River Potomac and docks to the southeast of Alexandria Arms in the Capital Wasteland. The ferryman offers wastelanders a chance to travel to Point Lookout. The Lone Wanderer embarks on a journey to seek out pre-War treasures, but instead discovers a feud between two parties from before the War.
- The Earth is saved by the Lone Wanderer from an alien threat when they are captured in the northern Capital Wasteland by an alien mothership named Zeta, taking the control of the ship with an atypical group of survivors from Earth's past, and destroying another alien mothership which was near Zeta.
- Tabitha gathers a group of Mariposa super mutants and drives out Marcus in a week and those loyal to him from Black Mountain and establishes the State of Utobitha. Marcus travels with his supporters to Mount Charleston, where he establishes Jacobstown in honor of his old friend.
- Following the abduction and killing of four soldiers, NCR troops assault the Great Khans' settlement at Bitter Springs and massacre several dozen men, women, and children. This event goes unreported in NCR press.
- Elder Nolan McNamara begins sending out small patrols from Hidden Valley, for the first time since the Brotherhood of Steel (Mojave chapter)'s defeat at HELIOS One.
- Elder Owyn Lyons dies. His daughter, Sentinel Sarah Lyons, becomes Elder. Her subsequent death in combat leaves Lyons' Brotherhood of Steel adrift under ineffectual rule of elected Elders.
- November 14: The Securitron vault experiences technical problems, including a radiation leak at 3:47 and a power surge at 3:50. The protectron dispatched at 3:48 becomes non-responsive due to the power surge and the facility goes on Security Alert Level 1 at 3:54.
- Sometime in this year Chris Haversam joins the Bright Brotherhood.
- The Brotherhood of Steel send their first recon team to the Commonwealth. The mission is a success, with the team returning with information on the region and other important assets.
- The Arms merchant is ordered by her commanding officer Ronald Curtis to flog new recruits for desertion and refuses. Because of this, she is administratively discharged from Bravo Company and the New California Republic Army.
- Craig and Carla Boone move to Novac under the suggestion of Craig's friend Manny Vargas. Vargas then enlists Craig to be a town guard with him.
- Robert House spends 812,545 caps looking for the platinum chip alone. The cumulative expenditure over the decades equals millions.
- New Canaan is razed by the White Legs, under the direction of Ulysses, in an attempt to gain enough favor with Caesar's Legion to be assimilated. The surviving residents of New Canaan are scattered across Utah.
- Summer: Operation: Racket begins. Bribes are sent to the heads of the Omertas and their anti-House and NCR sentiment is stoked.
- August: The tumor growing in Caesar's head begins causing mild headaches. Unsuspecting of the cause, Caesar does nothing. The headaches only grow worse from then on.
- September: Cassidy Caravans is raided by an unknown group of assailants. Rose of Sharon Cassidy is not with her caravan at the time, but word reaches her and she is stuck at the Mojave Outpost.
- September: The prisoners of NCR Correctional Facility, under the command of Samuel Cooke and Eddie, overthrow the NCR security at the NCR Correctional Facility and begin raiding the surrounding area as the Powder Gangers.
- September: Frumentarius Karl is sent to Red Rock Canyon to broker a deal with the Great Khans to convince them to join Caesar's Legion. Unwisely, Karl keeps a journal about the Great Khans and opines in it about how they'll likely be executed after the Second Battle of Hoover Dam.
- Carla Boone is taken from Novac, sold to Caesar's Legion by Jeannie May Crawford. Craig Boone tracks his wife down to Cottonwood Cove and saves both her and their unborn child from a life of slavery by sniping her far away.
- Raul Tejada travels to Black Mountain to offer his services in fixing Black Mountain Radio to Tabitha. He is subsequently imprisoned and forced to perform repairs for her and other Black Mountain super mutants.
- A pack of Deathclaws moves into Quarry Junction after the Powder Gangers steal Sloan's dynamite supply; halting mining operations. I-15 is subsequently closed off due to its proximity to Quarry Junction and the Deathclaws.
- October 5: Christine Royce, following Father Elijah's trail to the Sierra Madre, gets trapped in an Auto-Doc in the Villa clinic. She remains trapped for two weeks as the malfunctioning Auto-Doc repeats the same procedure until the Courier arrives.
- October 5: Caesar begins to experience blank outs and his left leg stiffens at random intervals making it near impossible to move. Caesar is now fully aware that his headaches and everything else are the cause of a much more serious issue.
- October: The Courier, working for the Mojave Express, takes the job to deliver the platinum chip after another courier backed out. The Courier travels from southern NCR, through the Hub, and makes their way to the Goodsprings area.
- October 8-11: Benny, Jessup, McMurphy, Chance and several other Great Khans travel out into the Mojave Wasteland to ambush the Courier carrying the platinum chip and take it.
- October 11: Fallout: New Vegas intro - The Courier is ambushed, shot twice in the head by Benny, and left for dead in a shallow, unmarked grave in the Goodsprings Cemetery. Victor finds the body and retrieves it, and the Courier makes a miraculous recovery in the care of Doc Mitchell.
- October 12: Joe Cobb's raider gang attacks a group of Crimson Caravan traders on the Long 15. Ringo escapes the gangers and hides in Goodsprings.
- October 19, 08:00: Fallout: New Vegas begins - The Courier regains consciousness and leaves Doc Mitchell's house in Goodsprings for search of revenge against Benny.
- Caesar's Legion attacks Nipton, everyone is killed or crucified but Oliver Swanick and Boxcars, but Boxcars is left with his legs crippled.
- The Courier follows an old radio message broadcasting the Sierra Madre's grand opening, leading them to an abandoned Brotherhood of Steel bunker. They are captured by Dog and awaken within the Villa surrounding Sierra Madre. Within the Sierra Madre, they are forced by rogue Brotherhood of Steel Elder Elijah to assemble a team to crack the casino's Vault, but a showdown within the guts of the casino ends with the Courier escaping back to the Mojave.
- The Happy Trails Caravan Company, led by Jed Masterson, lead a caravan expedition in search of the New Canaanite survivors to attempt to remedy their own financial difficulties. The caravan, along with the Courier, venture through Zion Canyon, though a subsequent ambush and slaughter lead the Courier to find sanctuary among the region's tribes. Aided by Joshua Graham and Daniel, the Courier manages to settle a growing war between the tribes and find a way back to the Mojave.
- A strange satellite crashes in the Mojave Drive-in, and a hapless Courier finds themself transported to the ruins of Big Mountain upon investigating. They are lobotomized and reduced to the state of a walking cadaver before they manage an audience with Big Mountain's Think Tank and find themselves caught up in a fight for the very future of Science! as well as the fate of the denizens of the Mojave. Following confrontations with giant robo-scorpions, the Think Tank, and the Courier's own brain, they stumble back into the Mojave - complete with cybernetic augmentations and a handy teleportation pistol.
- At the mysterious urging of Ulysses, the Courier walks the Lonesome Road into the ruins of the pre-War city of Hopeville. The two couriers stalk each other until a final showdown at the edge of the world, beneath an Old World flag and above a cavernous silo filled to the brim with armed warheads - enough to purge both the East and the West.
- Robert MacCready leaves the Capital Wasteland for the Commonwealth at some point.
- Fallout: New Vegas ends - In the Second Battle of Hoover Dam, the Courier who had cheated death in the cemetery outside Goodsprings cheated death once again, and the Mojave Wasteland is forever changed.
- Following the defeat of Shepherd and pacification of Capital Wasteland, Arthur Maxson is named commander of the Lyons' Brotherhood of Steel, following re-establishment of ties with the West.
- The construction of the dirigible Prydwen is completed at Adams Air Force Base.
- Mayor McDonough of Diamond City decrees the removal of all ghouls from the city.
- General Joe Becker dies at some point before May of this year.
- Arthur Maxson negotiates a treaty with the Brotherhood Outcasts, reuniting them with the Brotherhood proper. Named Elder, Maxson reorganizes the Lyons' Brotherhood of Steel into the Eastern division and becomes the Supreme Commander of the Brotherhood of Steel.
- Liam Binet, Institute scientist, establishes communication with the Railroad under the codename "Patriot".
- Recon Squad Artemis arrives in the Commonwealth and is subsequently attacked by an unknown party that kills most of the squad. The squad would flounder and need to scuttle their power armor. Paladin Brandis would be the last survivor of the squad by 2287.
- Tinker Tom breaks the Patriot's coded messages and reveals it to be "Mass Fusion".
- Early August: Jacqueline Spencer scavenges a University Point building and finds a hard drive with technical research on reactor efficiency that she informed a passing caravaner about in an attempt to make caps.
- August 12: The Institute sends a messenger to University Point demanding the hard drive that Jacqueline found. The town mayor refused to acknowledge the Institute's request for the hard drive despite the wishes of vocal town residents.
- Late August: The Institute raids University Point and virtually wipes it off the map. University Point serves as another reminder of the power and ruthlessness of the Institute.
- Brian Virgil takes over the Institute's FEV Lab after Dr. C. Syverson's passing.
- Colter rallies the Disciples, the Operators and The Pack together and take over Nuka-World.
- Recon Squad Gladius, the third Brotherhood scout team, arrive in the Commonwealth. They set up base within the Cambridge Police Station but after days of fighting, four out of seven members of the team are killed.
- The Institute launches an attack on the Railroad's safehouses, including their headquarters at the Switchboard.
- Theodore Croup is killed by the feral remains of his family after two hundred years of attempting to help them regain their humanity.
- September: The Quincy Massacre occurs. The attacking Gunners kill all but 20 of the town's residents and occupy the ruins. A squad of Commonwealth Minutemen attempt to defend the town, but fail. The surviving Minutemen, led by Preston Garvey, escort the remaining settlers northwest. Over time, the group is reduced to a mere five people.
- October 23: Fallout 4 begins – Exactly two hundred and ten years after the Great War, the Sole Survivor leaves Vault 111 in search of their son, Shaun.
- The Sole Survivor rescues Nick Valentine from Vault 114, after being held captive by Skinny Malone and a large number of Triggermen.
- Conrad Kellogg is killed by the Sole Survivor in Fort Hagen.
- The Brotherhood of Steel enter the Commonwealth in their airship The Prydwen following energy readings discovered and identified as originating from the Institute.
- The War of the Commonwealth begins.
- The Sole Survivor enters the Glowing Sea and traces Doctor Brian Virgil, a former Institute scientist, and gains information on how to enter the Institute.
- An Institute Courser designated Z2-47 tracks down a runaway synth named K1-98, who has been kidnapped by the Gunners and held captive in Greenetech Genetics. The Sole Survivor tracks down Z2-47, in their efforts to gain a Courser chip. Z2-47 and the Sole Survivor simultaneously assault the building. The Gunner forces are defeated, and Z2-47 is killed by the Sole Survivor.
- With the assistance of Virgil and an unknown organization, the Sole Survivor builds a signal interceptor to teleport inside of the Institute. The Sole Survivor gains access, and finally finds their son.
- The Sole Survivor later gets involved in a conflict between the various factions and eventually resolves it.
- The Mechanist releases robots upon the Commonwealth, the Sole Survivor assists a robot by the name of Ada and manages to end the Mechanist's robot threat.
- The Sole Survivor travels to Far Harbor in search of a missing girl, where they resolve the conflict between the Island's three factions.
- The Sole Survivor assists Valery Barstow in her experiments and expansion of Vault 88.
- The Sole Survivor travels to Nuka-World and after going through the gauntlet and defeating the overboss gets offered to be the new overboss of Nuka-World (their choice is unknown).
- Office of Science and Industry studies projects a possible food shortage within the New California Republic due to overpopulation.
|The following is based on the Collector's Edition Fallout 3 Official Game Guide's Afterword entry and has not been confirmed by canon sources.|
- September 10: Moira Brown writes a terminal entry about recent developments and the legacy of the Lone Wanderer, including writing a new book, a compilation of "the best and most useful tales of the Lone Wanderer for the next generation."
|End of information based on the Collector's Edition Fallout 3 Official Game Guide's Afterword entry.|
- Mr. House theorizes that the high technology development sector will be reignited this year should he stay in control of New Vegas.
- The Bishop child, leader of the Bishop family of New Reno and the son of the Chosen One, dies quietly in his sleep, having never known his real father.
- Mr. House theorizes he'll be conducting test flights this year to again start sending people into orbit like the United States did over 200 years prior.
- Estimated year that the United States will be habitable again, according to the Vault 101 PA System.
- Mr. House theorizes colony ships will begin to leave Earth to find a new home untainted and polluted by the Great War.