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For all pre-War Commonwealths, see Location.
Fo Southwest Commonwealth.gif
Fo Southwest Commonwealth.gif
The Southwest Commonwealth
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The Southwest Commonwealth was one of the thirteen commonwealths of the pre-War United States.

Background[edit | edit source]

Created in 1969, it was comprised of the former states of Southern California, Nevada and Hawaii.[1] The commonwealth bordered the Northwest Commonwealth, the Four States Commonwealth, and the country of Mexico.

Former Southern California[edit | edit source]

Paladin Leila Rahmani led the First Expeditionary Force across the country, from Lost Hills to Appalachia, with goals of re-establishing contact with the lost chapter of the Brotherhood.[2]

New California[edit | edit source]

Main article: New California

New California is a region defined by the presence of the New California Republic, which is comprised of the entirety of California as well as areas of northern Nevada, southern Oregon, and Baja California, Mexico. By 2281, the region is dominated by the NCR.

Also known as the Core Region, and formerly known as southern California. The city of San Diego was damaged during the war, with its inhabitants eventually leading an exodus to the ruins of Los Angeles, now known as the Boneyard. Located in between is "the Glow," the ruins of a West Tek research facility. Junktown, the Hub, and Shady Sands make up the northern part of the region.

By 2281, the region is dominated by the NCR, which controls a large portion of southern California. Its borders stretch south into Baja, up into northern California, and east into Nevada and Arizona. A pre-War welcome to California sign can be seen along Nevada State Route 164 near Nipton, featuring three poppies, the state flower.

Former Nevada[edit | edit source]

The former state of Nevada is desolate. Few are able to traverse the rough terrain of the Sierra Nevada Mountains alone. The region is sparsely populated. New Reno is the most significant town of northern Nevada, with smaller settlements such as Vault City, Gecko, and Broken Hills dotting the map.

The Desert Rangers operated out of Nevada, as well as Utah and Arizona. Caesar's Legion would eventually push them out of the Utah and Arizona, and into Nevada. They would go on to become assimilated into the New California Republic in exchange for protection against the Legion.

There are several highways that bear the namesake of Nevada on their signage, including Nevada State Route 157, 159, 160, 164, and 564. A Nevada welcome sign can be found along NV-164 near Nipton, with its pre-War motto of "the Silver State."

The Big Ranch Nevada State Lotto company facilitated the Nevada statewide lottery before the war. An advertisement for the company can be seen on a billboard far north of Southern Nevada Wind Farm and on the lottery tickets found in Nipton and scattered around the Mojave Wasteland.

Mojave Wasteland[edit | edit source]

Main article: Mojave Wasteland

The Mojave Wasteland is a region comprised of southern Nevada, as well as parts of California and Arizona.[3] In 2274, the NCR sent scouts to the region and discovered the ruins of Las Vegas and an intact Hoover Dam. Plans were made to occupy the dam, and restore it to a working order to provide the NCR with power. The enigmatic Mr. House saw the arrival of the NCR as an opportunity and sent his securitrons to the tribes inhabiting the ruins - offering supplies and materials in exchange for their service.

Three tribes accepted this deal, forming what would be the Three Families, with each group running their own casino on the Strip. When the NCR returned in force to the Mojave, they found securitrons and the Families already occupying the dam. The New Vegas Treaty was signed, with the sovereignty of New Vegas recognized and guaranteed by the NCR, while the NCR would take full control of the Dam, with 5% of its power being routed to New Vegas.

In 2277, Caesar's Legion arrived in force to take the region - leading to the First Battle of Hoover Dam. The Legion ultimately lost the battle with the Malpais Legate, who led the Legion forces, set on fire, and thrown into the Grand Canyon as punishment. The war then ground to a stalemate as both sides shored up their forces on either side of the Colorado River until the Second Battle of Hoover Dam in 2281.

The Divide[edit | edit source]

A region on the border of California and Nevada. Before the war, the area was the site of numerous nuclear missile silos and the Big MT complex's scientific experiments. A small trading community formed in the pre-War towns of Hopeville and Ashton, and was beginning to thrive. The NCR-Legion War came to the region, as the Divide proved a crucial transportation route for NCR troops to the Mojave. The Legion, in turn, sought to cut off the NCR's transportation circuit.

The battles would be all for naught, as a courier unintentionally brought a nuclear detonator recovered from the Enclave at Navarro. The detonator set off the still dormant nuclear missiles underground, destroying the region with earthquakes, radiation, dust, and sandstorms that could skin a man alive. Both the Legion and the NCR were forced to abandon the forces they had in the region.

Joshua Graham mentions this situation and the state of Nevada by name when describing to the Courier how the New California Republic used to be able to bring reinforcements into the Mojave via California State Route 127. He explains the storm in the Divide cut the NCR supply lines, making the NCR unable to travel north to get around the mountains into Nevada.[4]

Former Hawaii[edit | edit source]

Before the war, a military presence existed in the state, from where destroyer ships were deployed and was a destination for aviators.[5][6]

Fallout Shelter Vault dwellers will occasionally mention Hawaiian style pizza.[7]

Major factions[edit | edit source]

Known locations[edit | edit source]

Name of location Former state Game(s)
Area 2 Nevada Fallout: New Vegas
Area 51 Nevada Fallout: New Vegas
Ashton Nevada Fallout: New Vegas
Big MT Nevada Fallout: New Vegas
Bitter Springs Nevada Fallout: New Vegas
Black Mountain Nevada Fallout: New Vegas
Bonnie Springs Nevada Fallout: New Vegas
Broken Hills Nevada Fallout 2
Caliente Nevada Fallout: New Vegas
Callville Bay Nevada Fallout: New Vegas
Clark Field Nevada Fallout: New Vegas
Colorado River Nevada Fallout: New Vegas
Cottonwood Cove Nevada Fallout: New Vegas
Death Valley Nevada / California Fallout: New Vegas
Goodsprings Nevada Fallout: New Vegas
Griffith Peak Nevada Fallout: New Vegas
Guardian Peak Nevada Fallout: New Vegas
Hawthorne Army Depot Nevada Fallout: New Vegas
H&H Tools Factory Nevada Fallout: New Vegas
Henderson Nevada Fallout: New Vegas
HELIOS One Nevada Fallout: New Vegas
Hoover Dam Nevada Fallout: New Vegas
Hidden Valley Nevada Fallout: New Vegas
Highway 93 Nevada Fallout: New Vegas
Highway 95 Nevada Fallout: New Vegas
Hopeville Nevada Fallout: New Vegas
I-15 Nevada / California Fallout: New Vegas
I-40 Nevada Fallout: New Vegas
Jean Nevada Fallout: New Vegas
Lake Mead Nevada Fallout: New Vegas
Las Vegas Nevada Fallout: New Vegas
Mount Charleston Nevada Fallout: New Vegas
Nellis Air Force Base Nevada Fallout: New Vegas
Nelson Nevada Fallout: New Vegas
Old Mormon Fort Nevada Fallout: New Vegas
Primm Nevada Fallout: New Vegas
Red Rock Canyon Nevada Fallout: New Vegas
REPCONN headquarters Nevada Fallout: New Vegas
Sierra Nevada Nevada Fallout: New Vegas
Sloan Nevada Fallout: New Vegas
Spring Mt. Ranch State Park Nevada Fallout: New Vegas
Sunset Sarsaparilla headquarters Nevada Fallout: New Vegas
Westside Nevada Fallout: New Vegas
Yangtze Memorial Nevada Fallout: New Vegas
Yucca Mountain Nevada Fallout: New Vegas
Anaheim California Fallout 2
Anza-Borrego California Fallout: New Vegas
Baja California Fallout: New Vegas
Big Circle California Fallout 2
Boneyard California Fallout 2 Fallout: New Vegas Fallout 4 Wastelanders
Broken Hills California Fallout: New Vegas
Dayglow California Fallout 2 Fallout: New Vegas
Fort Abandon California Fallout: New Vegas
Gecko California Fallout 2
Junktown California Fallout
Irvine California Fallout 2
Lost Hills California Fallout Fallout 3 Fallout 76 One Wasteland For All
Mariposa Military Base California Fallout Fallout 2
Monterey California Fallout 4
Necropolis California Fallout
Nipton California Fallout: New Vegas
Oak Creek California Fallout: New Vegas
One Pine California Fallout: New Vegas
Owens Lake California Fallout: New Vegas
San Onofre California Fallout: New Vegas
Shady Sands California Fallout Fallout 2
Short Loop California Fallout 2 Fallout: New Vegas
The Hub California Fallout
Vault City California Fallout
West Tek research facility California Fallout
Maui Hawaii Fallout 4

Appearances[edit | edit source]

The Southwest Commonwealth appears in Fallout, Fallout 2, Fallout: New Vegas and its add-ons, as well as the Fallout Bible. It is mentioned in Fallout 3, Fallout 4 and its add-on Far Harbor, Fallout 76 and its One Wasteland For All update, as well as Fallout Shelter. The pre-War iteration of the Fabulous New Vegas sign appears in the Atomic Command Pip-Boy game. The Southwest Commonwealth was also to appear in Van Buren and Jason Mical's Fallout Pen and Paper d20.

Gallery[edit | edit source]

References[edit | edit source]

  1. Plaque on the Massachusetts State House in Fallout 4 gives 1969 as the formation date of the "Thirteen commonwealths."
  2. Encrypted broadcasts
  3. Jack Cabot: "Maybe I'll finally travel to the Southwest. My father was always convinced that there was another alien city buried somewhere in the Mojave Desert."
    (Jack Cabot's dialogue)
  4. The Courier: "I'm guessing you don't like Caesar very much."
    Joshua Graham: "Love the sinner, hate the sin. With Caesar, it's often very difficult to see through all of that sin to the person inside. I can say that we were both lucky that NCR's supply lines and land routes north of Mojave Outpost were destroyed before the Battle of Hoover Dam. Something bad happened near Death Valley, at a place called the Divide. NCR couldn't cut across anymore and it slowed down their reinforcements. Terrible storms ripped entire companies apart before they even got to Nevada soil. The aftermath of Hoover Dam could have been even worse for Caesar."
    (Joshua Graham's dialogue)
  5. Beaver Creek Lanes terminal entries; terminal, 12/8/2076 - Vim Machine being marked out of order?
  6. "This bird's not going nowhere soon, but I did a full CHECK and here's what I need to get her in the air again .... HAWAII OR BUST!"
    (List of parts)
  7. "I was wondering - what's your favorite kind of pizza?"
    "I prefer a Hawaiian Mongolian Neapolitan blend. But no anchovies."
    (Vault dweller conversations)
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