Timeline

## 20th Century

* 1996 - Cheyenne Mountain Command is built.

## 21st Century

* 2021 - Infa-Tec is formed.
* 2046 - Colontoni is formed.
* 2052 - The Manhattan Complex is built.
* 2056 - Chancellor Xia is born.
* 2064 - Solar.OS begins development.
* 2070 - The New England Rangers are formed.
* 2073 - Vault 128 is built.
* 2076 - Director Killian is born.
* 2076 - Vault 102 is built.
* 2077 - Vault 119 is built.
* 2077 - The Lurkers of The Amazon are formed.
* 2077 - The Kentuckian Enclave is formed.
* 2077 - The Garden of Mexico is formed.
* 2077 - The Rushmore Enclave is formed.
* 2096 - The Floridan Enclave is formed.

## 22nd Century

* 2103 - Vault 128 collapses.
* 2112 - The Believer's Army is formed.
* 2123 - Director Killian is fused with a computer after dying.
* 2128 - Caleb Sullivan establishes a trading outpost in Spokane, Washington.
* 2131 - Ice City is formed.
* 2131 - Caleb Sullivan dies due to a raider.
* 2131 - Ada Green runs for mayor of Ice City and wins.
* 2135 - The Church of Aenon is formed.
* 2136 - The Book of Aenon is written.
* 2137 - The Great Valley Empire is formed.
* 2143 - The Swampers are formed.
* 2147 - Spokane is fully taken over by Ice City.
* 2149 - The Spokane Coalition is formed.
* 2150 - General Walters is born.
* 2152 - Ada Green resigns as mayor of Ice City.
* 2152 - Roswell Allen is elected mayor of Ice City.
* 2156 - The New Cuban Authority are formed.
* 2157 - Fort Alene is fully restored by the Spokane Coalition
* 2162 - The Raider Scourge of Ice City occurs, resulting in the militarization and authoritarian state of Ice City.
* 2163 - Needle Central is attacked by remnant of The Master's Army.
* 2164 - The Garden of Mexico starts setting up surface outposts.
* 2174 - The Republic of Quebec is formed.
* 2174 - Otta is formed.
* 2176 - Alexander Dane is born.
* 2180 - The Nova Scotian Federation is formed.
* 2181 - Alarico Muñoz dies.
* 2188 - Connor Henryson is born.
* 2189 - The Southern Slavers are formed.
* 2190 - Metalburg is founded.
* 2193 - The Union of Georgia is formed.
* 2194 - Daniel Rockersville is born.

## 23rd Century

* 2202 - The Red Rose Republic is formed.
* 2203 - Friedmann is formed.
* 2211 - General Walters dies.
* 2211 - The Battle of Yonkers takes place.
* 2211 - Italus takes over the Texas Brotherhood.
* 2221 - Edward Wright is born.
* 2224 - The Desert Republic is formed.
* 2231 - The Maya of Yucata are formed.
* 2232 - The Halifax Revolution occurs.
* 2233 - The Charter of 2233 is signed.
* 2236 - The Rising Sun is formed.
* 2240 - Lieutenant Anderson is born.
* 2241 - The Red Dragons are formed.
* 2241 - Doctor Francis Mengele is born.
* 2242 - Emiliano Muñoz is born.
* 2245 - Colonel Autumn Sr. attempts to enter the Cheyenne Mountain Command.
* 2254 - Angela Silva is born.
* 2256 - Exanguis Juvencus is born.
* 2258 - O'Gara is formed.
* 2258 - The Mechanical Guild is formed.
* 2258 - Colonel. John Roosevelt is born.
* 2261 - The Republic of Gatlinburg is formed.
* 2262 - The Union-Brotherhood War starts
* 2262 - The Mountain Brotherhood of Steel are formed.
* 2263 - Connor Henryson dies.
* 2263 - The Battle of Terminal City takes place.
* 2264 - The Northern Reclamation Army is formed.
* 2264 - The Siege of New Atlanta begins.
* 2265 - The Baton Rogue Republic is formed.
* 2266 - The Siege of New Atlanta ends.
* 2268 - Captain Rebecca Murphy is born.
* 2270 - The Union-Brotherhood War ends.
* 2270 - Cursed Company rises to prominence.
* 2271 - The Darkest Night in Havana takes place.
* 2273 - Lone Star Confederation is formed.
* 2273 - The Union Expansion Treaty is signed.
* 2275 - Colonel Davis dies.
* 2276 - The Nevada Peacekeeper Force is formed.
* 2277 - The Floridan Enclave is reformed into the New State of Florida.
* 2278 - The New York Enclave is formed.
* 2278 - The Foundation collapses.
* 2279 - The Church of The Independent is formed.
* 2279 - The Inner Circle violently forces the Seattle Brotherhood of Steel out of Seattle.
* 2279 - Enclave Civil Volunteer Corps is formed.
* 2279 - Columbus Brotherhood of Steel is formed.
* 2279 - The Columbus Enclave is formed.
* 2281 - The Second Battle of Hoover Dam (NCR Victory)
* 2281 - Caesar (Edward Sallow) dies; Caesar's Legion fractures with political infighting.
* 2282 - The Beginning of Operation Bounding Overwatch
* 2284 - The Holy Covenant forms.
* 2285 - The NCR begins its expedition into Oregon Territory
* 2286 - The Siege of Sun City (Destruction of the Legion's main forces and death of Augustus)
* 2286 - The Gulf Legion is formed.
* 2287 - The Greater Schism occurs.
* 2287 - The United Colorado State is formed.
* 2287 - The Reaver Revolution is formed.
* 2287 - The Red Authority is formed.
* 2287 - The Workers of Kentucky are formed.
* 2287 - Daniel Rockersville dies.
* 2287 - The Fort Drum Enclave is formed.
* 2287 - The Battle of Beaver Dam occurs.
* 2287 - The Battle of Lexington occurs.
* 2288 - The NCR Monterrey Expedition is formed.
* 2288 - The 3 Principles are formed.
* 2288 - The Lawmen are formed.
* 2289 - The United Territories of the Commonwealth are formed.
* 2289 - The NCR Seattle Expedition arrives in Washington State.
* 2289 - The Desert Republic declares war on the 3 Principles.
* 2289 - The Turning Tide campaign begins.
* 2290 - The Nayarit Cartel joins the 3 Principles
* 2290 - The Maya of Yucata initiate the Moctezuma Plan, betraying the 3 Principles and joining the war on the side of The Desert Republic.
* 2290 - The Battle of Tampico occurs, Legion leaders are executed for their warcrimes, and the Treaty of Tampico is written.
* 2290 - The Battle for Mexico ends. The New Cuban Authority and Gulf Legion are both dissolved.