The first atomic bomb

The Manhattan Project

  • Conference Arranged

    G.B. Pegram arranges a conference with Enrico Fermi and the Navy at sometime in March 1939.
  • Period: to

    Manhattan Project

  • Albert Einstein Becomes Involved

    Sometime during the Summer, Einstein presented his idea of an atomic bomb to the military and President FDR.
  • Money Gathered

    In February of 1940, $6000 was gathered to fund the research of atomic bomb production.
  • Office of Scientific Research and Development

    Vannevar Bush is put in charge of the project.
  • More Funds Gathered

    FDR pulls together $2 billion dollars to build the atomic bomb.
  • Nuclear Fission Reaction

    Fermi produces the first controlled nuclear fission reaction.
  • Thin Man and Fat Boy

    The names and sizes of the bombs are decided. Thin Man was named after Roosevelt and Fat Boy was named after Churchill.
  • San Fransisco Bay

    San Fransisco Bay is bombed leaving 323 men dead and demolishing a good portion of the US's ships and planes.
  • RIP FDR

    Truman takes over after the death of Roosevelt. It is the first time he has heard of the Manhattan Project or the atomic bombs, proving how secretive the production was.
  • Germany Surrenders

    Hitler commits suicide resulting in Alfred Johl signing a surrender ultimately ending WWII in Europe.
  • Testing of Bombs

    The first successful tests of the bombs in New Mexico proving that they work.
  • Hiroshima

    Little Boy is detonated over Hiroshima killing 100000+ people.
  • Nagasaki

    Fat Man is release over Nagasaki killing over 75000 people.
  • Japan Surrenders

    Japan assumes the US has more bombs, and ultimately decides to surrender for the safety of its people.