1942-1953

By gmdawg2004

  • Atomic Bomb

    President Roosevelt approves production of the atomic bomb

  • Groves' Bomb Testing

    Brigadier General Leslie R. Groves selects Los Alamos, New Mexico, as site for separate scientific laboratory to design an atomic bomb.
  • Harry S. Truman becomes President.

    Harry S. Truman becomes President.

    President Roosevelt dies, in turn Truman takes over the presidency.

  • Germany surrenders.

    Germany surrenders from the war on this day.
  • Hiroshima

    Hiroshima

    The uranium bomb, called Little Boy, is dropped on Hiroshima, Japan on this day.

  • Nagasaki

    Nagasaki was bombed three days later resulting in a surrendering Japan within the following five days.

  • Soviet's first atomic weapon.

    The Soviet Union detonates its first atomic device on this day.

  • President Eisenhower

    Eisenhower is inaugurated on this day.