Northern Commonwealth

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For a list of all Commonwealths in the Fallout universe, see Commonwealths.
Fo North Commonwealth
Fo North Commonwealth
The Northern Commonwealth
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Gametitle-FO3Gametitle-FNVGametitle-FNV HHGametitle-FO4Gametitle-JES

The Northern Commonwealth was one of the thirteen commonwealths of the pre-War United States. Created in the early 21st century, it was comprised of the former states of Montana, Wyoming, North Dakota and South Dakota.

Former WyomingEdit

In 2281, the Great Khans could have abandoned the Mojave, and worked with the Followers of the Apocalypse in Wyoming to create a mighty empire. Also, the White Legs can flee to Wyoming after their leader, Salt-Upon-Wounds, is killed.

The region is described as a vast wilderness, and it experiences harsh winters.

Former MontanaEdit

Little is known about this area, except that there is a Brotherhood of Steel bunker here[1], the Lonesome Drifter was born here, there are coal mines active in the area [2] and, if the Courier has the Lady Killer perk, it is revealed he may have had a child with a woman from there.

Known locationsEdit


The Northern Commonwealth is mentioned only in Fallout 3, and Fallout: New Vegas and its add-on Honest Hearts. South Dakota's Mount Rushmore appears in the Atomic Command game in Fallout 4.


  1. "Brothers, as we take our meal this day, let us reflect upon the words of Elder Patrocolus of the Montana Bunker." - Elder Lyons
  2. Dialogue with the Lonesome Drifter

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