1942-1953

  • Atomic Bombs Approved?

    President Roosevelt approves for the production of atomic bombs
  • Atomic Bombs

    Atomic Bombs
    Atomic bombs are created. Uranium bomb in Oak Ridge, Tennessee. Plutonium bomb in Hanford, Washington. Weapons lab in Los Alamos, New Mexico
  • Harry S. Truman

    Harry S. Truman
    Harry S. Truman becomes president
  • Germany Surrenders

    Germany surrenders
  • Hiroshima, Japan

    Hiroshima, Japan
    The uranium bomb called Little Boy is dropped on Hiroshima.
  • Nagasaki, Japan

    Nagasaki, Japan
    The plutonium bomb called Fat Man is dropped on Nagasaki.
  • Japan Surrenders

    5 days after the bomb attack on Nagasaki, Japan surrenders.
  • Korean War

    North Korea invades South Korea starting the Korean War
  • Dwight D. Eisenhower

    Dwight D. Eisenhower
    Dwight D. Eisenhower is inaugurated
  • "Atoms for Peace"

    "Atoms for Peace"
    President Eisenhower gives the speech, "Atoms for Peace" at the United Nations in hopes of using nuclear energy for peace