Bombing of Hiroshima and Nagasaki

  • The beginning of World War II

    The Japanese bombed Pearl Harbor causing the United States to go into World War II
  • Robert Oppenheimer, Director of the Manhattan Project

    Robber Oppenheimer is appointed director of the Manhattan Project. This project was to secretly build and test the atomic bomb
  • First Atomic Bomb Detonated

    The first atomic bomb is detonated by the United States at the Trinity test site in the desert of New Mexico
  • Potsdam Proclomation

    President Harry S. Truman issues the Potsdam Proclamation to Japan demanding them to surrender
  • The Bombing of Hiroshima

    The first atomic bomb, Little Boy, is dropped on Hiroshima, Japan, and killed about 80,000 people instantly
  • The Bombing of Nagasaki

    The second bomb, Fat Man, is dropped over Nagasaki, Japan and is estimated to have kille about 75,000 people
  • President Truman's Adress

    President Harry S. Truman speaks to the nation in a radio address about the the first bomb that blew up in Hiroshima and the second bomb that just had blown up in Nagasaki
  • The Surrender of Japan

    On this day Japan surrenders, ending World War II