History of Sierra

  • Founding of Sierra and Trebosky Reactor

  • Period: to

    Reactor in Service

  • Reactor Explosion

  • Birth of First Mutant

  • Period: to

    Positive Hype Over Mutants

  • Mutant Gene Is Identified

  • Mutants Require Tattoo ID, Testing at Birth

  • First Mutant Accident Finds Media Attention

  • Hurricane Sandy Hits New York, Mutants Blamed

  • New President Elected

  • Mutants Sent Back To Sierra

  • Period: to

    Sierra Reinhabited