

The inhabitants founded Adytum in what became known as the Boneyard. A year later, the demonstration Vault in the ruins of LA opened. In 2091, after receiving the all-clear signal, Vault 8 opened and Vault City was founded. The founding of Necropolis started a decade of development. Less than a year later, in 2084, Set wrestled control of the settlement from the original Overseer.

The Necropolis was founded in Summer 2083.

Ironically, the first group to emerge and found a new town are the ghoulified inhabitants of Vault 12 beneath Bakersfield. The radiation and mutations flooding the wasteland eventually calmed down enough for the survivors to start forming new groups. īy 2080, the first mutations started to occur among the survivors and wildlife, creating new species practically overnight, caused by the destruction of the West Tek facility, which released vast quantities of FEV into the atmosphere. Smaller towns were seeded as well, as is the case with Junktown, founded by a U.S. Even then, the seeds of future wasteland powers were sown that day, as the Brotherhood of Steel formed out of the renegade Army units at the Mariposa Military Base. Vault 13 was sealed with particularly many dwellers, thanks to its delayed construction that reduced the cry wolf effect. The casualties caused by the nuclear weapons were severe, although many people managed to find safety in the underground Vaults constructed in the region, such as Vault 15 or Vault 8. Other vital installations include the Mariposa Military Base (completed in 2077) and the Sierra Army Depot (in operation since 1942, refitted in 2050 as a top secret research base, and then converted in 2077 into an automated defense base). One such example was the West Tek Research Facility, established in 2055 to research the New Plague. Before the war, many important facilities were located in the region. Massive craters were created as a result of the bombardment, the largest one situated where Orange County used to be located. The destruction wrought by the nuclear bombs destroyed much of the coastline, particularly around San Diego and Los Angeles. The area that would become known as the Core Region was one of the most heavily bombed regions in the Great War.
