United Kingdom

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Mentioned-only faction
United Kingdom of Great Britain and Northern Ireland
UK Flag
British pre-War flag
founded byAnne
leader(s)British monarch, British prime minister
headquartersLondon, England
  • Edinburgh, Scotland
  • Belfast, Northern Ireland
locationsRoyal Small Arms Factory
divisionsBritish monarchy
British parliament
His/Her Majesty's Armed Forces
* Royal Armoured Corps
Fallout 3
Fallout: New Vegas
Dead Money
Honest Hearts
Old World Blues
Fallout 4
Fallout Tactics
J.E. Sawyer's Fallout RPG
Van Buren
Gametitle-FO1Gametitle-FO2Gametitle-FO3Gametitle-FNVGametitle-FNV DMGametitle-FNV HH
Gametitle-FO1Gametitle-FO2Gametitle-FO3Gametitle-FNVGametitle-FNV DMGametitle-FNV HHGametitle-FNV OWBGametitle-FO4Gametitle-FOTGametitle-JESGametitle-VB

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK), was a country in Europe before the Great War.


The United Kingdom was formed in 1800 with the Act of Union between the Kingdoms of Great Britain and Ireland; Great Britain itself being formed in 1707 with a similar act of Union between the Kingdom of Scotland and the Kingdom of England (incorporating Wales) in 1707[1].

The UK also controlled many overseas territories, and at its peak led the largest empire in human history. Due to the divergence, the status of the empire, the Commonwealth of Nations, and the overseas territories is a mystery.

The relationship between the United Kingdom and the Irish state are unknown, since Ireland did not officially declare itself a republic or leave the Commonwealth of Nations until 1949, which is after the divergence of 1945. The capital city of Wales is also unknown; while it is Cardiff in our world, Cardiff did not become the Welsh capital until 1955.

Mini-JSPnP LogoThe following is based on J.E. Sawyer's Fallout RPG and has not been confirmed by canon sources.

The United Kingdom was a member of the European Commonwealth until it's dissolution in 2060. The UK bickered with other former members of the Commonwealth over the last remaining drops of oil on Earth, sparking a bloody conflict known as the European Civil War.

Mini-JSPnP LogoEnd of information based on J.E. Sawyer's Fallout RPG.

Dialogue suggests that the country was ruled by a queen before the outbreak of the Great War.[2].

No details are known about the state of the British Isles after the Great War. However, in the 23rd century, Allistair Tenpenny left the country for the Capital Wasteland in the United States to seek wealth and fortune, hinting at some of the possible conditions in post-War Britain. The ancestors of Colin Moriarty also left Ireland for the Capital Wasteland shortly after the Great War for unknown reasons.

The UK in FalloutEdit

There are several references to the United Kingdom in published Fallout games:


Mini-FOT LogoThe following is based on Fallout Tactics and some details might contradict canon.
  • In Fallout Tactics, Sharon's family is claimed to stretch back to the English county of Essex. In addition, one of Martin's ancestors once ran a software company in England that ended up going out of business.




While there are several characters of Irish descent in the Fallout series, no information is given as to whether they originate from Northern Ireland or the Republic.


Mini-FOT LogoThe following is based on Fallout Tactics and some details might contradict canon.
Gametitle-VBThe following is based on Van Buren and has not been confirmed by canon sources.


The United Kingdom or nations within it are mentioned or referenced in Fallout, Fallout 2, Fallout 3 and its add-on Point Lookout, Fallout: New Vegas and its add-ons Dead Money, Honest Hearts, and Old World Blues, Fallout 4, Fallout Tactics, and Van Buren. The United Kingdom was also to appear in the hypothetical Fallout: Resource Wars.

Behind the scenesEdit

  • "Allistair Tenpenny came to the Capital Wasteland from Great Britain to seek his fortune, so that alone tells you that the U.K. was also hit in the war. And if he came to U.S. to succeed, that says a lot about how screwed up Europe must be. So we just allude, a little bit, to the state of the rest of the world. We like to leave a lot to the players' imaginations, and somebody like Tenpenny serves as a catalyst for those thoughts." - Emil Pagliarulo[4]


  1. Tomkins and Turpin, British Government and the Constitution, 4th edition, Chapter 1
  2. Mister Handy dialogue
  3. The Courier's brain's dialogue: "A British tar is a soaring soul, as free as a mountain bird..."
  4. Fallout 3 Afterthoughts

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