1942-1953

  • The Executive Order of 9066 is signed

    This order, signed by President Franklin D. Roosevelt on February 19, 1942, authorized the evacuation from the West Coast of all persons deemed a national security threat to relocation sites further inland.
  • Manhattan Project

    During World War II, the Manhattan Project was a research and development project that resulted in the first nuclear weapons. It was led by the United States, with the United Kingdom and Canada on board.
  • The G.I. Bill of Rights.

    The G.I. Bill, also known as the Servicemen's Readjustment Act of 1944, was a statute that granted a variety of benefits to returning World War II soldiers. Although the original G.I. Bill was repealed in 1956, the name "G.I.
  • Death of Franklin Roosevelt

    Roosevelt's physical condition began to deteriorate throughout the last years of the war, and he died on April 12, 1945, less than three months into his fourth term. Vice President Harry S. Truman was elected president and oversaw the Axis forces' acceptance of capitulation.
  • Use of Atomic Bomb

    In August 1945, the United States dropped two atomic bombs on the Japanese cities of Hiroshima and Nagasaki, killing 210,000 people, including children, women, and men. In an effort to force Japan's surrender in World War II, President Truman authorized the deployment of atomic weapons.
  • 22nd Amendment passed

    No individual shall be elected to the office of President more than twice, and no person shall be elected to the office of President more than once if he or she has held the office of President, or functioned as President, for more than two years of a term to which another person was elected President.
  • First hydrogen bomb

    The first hydrogen bomb was constructed by Edward Teller, Stanislaw M. Ulam, and other American scientists and tested on November 1, 1952, at Enewetak Atoll. On August 12, 1953, the Soviet Union conducted the first hydrogen bomb test.
  • Dwight D. Eisenhower becames 34th president

    From 1953 until 1961, Dwight David "Ike" Eisenhower was the 34th President of the United States.