| ||For a list of all Commonwealths in the Fallout universe, see Location.|
Created in 1969, it was comprised of the former states of Louisiana, Mississippi, Alabama, and Florida. The commonwealth bordered the Southeast Commonwealth, the East Central Commonwealth, and the Texas Commonwealth.
A G.E.C.K. had been irradiated, and thus, the "Garden of Eden" it created was full of mutant plants and fungi. The mutant garden began to spread fairly rapidly, preying upon animal life and using them as carriers/fertilizer to spread its fungal seed. While it had accelerated regrowth and nature reclaiming the wasteland, the fact it was irradiated meant it also began to wipe out humans.
General Brock's terminal at Fort Strong. It was described as being a location where the new model M42 Fat Man launchers were sent. The warheads were supposed to ship at a later date but never made it due to the Great War.A pre-War military supply yard existed somewhere in the former state, as mentioned in
- ↑ Plaque on the Massachusetts State House in Fallout 4 gives 1969 as the formation date of the "Thirteen commonwealths."
- ↑ Fort Strong terminal entries; General Brock's Report, September 2077
- ↑ The Parlor terminal entries; A Soft Drink Named Desire