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Mentioned-only faction
United Mexican States
Flag of Mexico
Mexican pre-War flag
founded byAgustín de Iturbide
leader(s)Mexican presidents, federal government
headquartersMexico City
locationsBaja California and Baja California Sur
* Hidalgo Ranch
Mexico City
divisionsFederal government, Mexican Armed Forces
Fallout 2
Fallout: New Vegas
Honest Hearts
Van Buren
Fallout Bible
Gametitle-FO1Gametitle-FO2Gametitle-FNVGametitle-FNV HHGametitle-VBGametitle-FB
Gametitle-FO1Gametitle-FO2Gametitle-FNVGametitle-FNV HHGametitle-VBGametitle-FBGametitle-D20


Mexico was a country in North America before the Great War, located to the south of the United States. While it was never annexed as Canada was, the US, seeking to protect business interests and their oil supply, put a lot of pressure on Mexico in 2051 and finally invaded it, though it is unknown whether total annexation had occurred.

The Fallout: New Vegas companion Raul Tejada was born in Mexico, witnessed the Great War destroy Mexico City, and lived on ranch.[1] A small group of Mexicans also made their way into Zion Canyon in Utah, but were savagely murdered by the infected members of the Vault 22 expedition.

The country also had a major company named Petro-Chico, a petroleum corporation that was a subsidiary of Poseidon Energy, and had oil supplies all along the Rio Grande, and owned all of the oil flowing up to Las Vegas. Petro-Chico had administrative holdings in the states of Veracruz, Puebla, and Hidalgo.


  • 2042 - A major earthquake takes place in Mexico City. The Mister Handy general construction robot becomes the leader in sales in Mexico. (source: Mr. Handy design document)
  • 2051 - Seeking to protect business interests and their oil supply, the United States began 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 served to destabilize Mexico, and the United States military entered Mexico to keep the oil refineries running and ensure that oil and fuel continued to make their way north across the border (at Mexico's expense). (Appears in the Fallout Bible timeline)
Gametitle-VBThe following is based on Van Buren and has not been confirmed by canon sources.
  • 2066 - Resource rioting occurs in Denver. Midwest USA and Mexico start having food shortages and can't supply Denver with the food it needs. Food riots occur, and the National Guard is called in. (source: Denver design document)
Gametitle-VBEnd of information based on Van Buren.


In Fallout: New Vegas, the Mexican flag appears wrapped around the stock of the unique hunting rifle, Paciencia.

Notable MexicansEdit


Mexico is referenced in Fallout, Fallout 2, Fallout: New Vegas and its add-on Honest Hearts, Van Buren, and the Fallout Bible. It was to appear in Jason Mical's Fallout Pen and Paper d20.


  1. RaulTejada.txt, Line 112

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