While most of the games in the series take place a century or more after the destruction of America, Fallout 76 starts on the 25th anniversary, known as Reclamation Day.It will focus on Vault-Tech’s Vault 76, which is one of the This is just 25 years after nuclear war decimated the planet, making it the earliest entry in the series chronologically. The Fallout series’ timeline is a long and complex one.