1955-1975

  • Puerto Rico

    On this day Puerto Rico becomes an American commonwealth.
  • Eniwetok

    America detonated the first hydrogen bomb on Eniwetok in the Marshall islands.
  • Eisenhower

    Eisenhower becomes inaugurated at the 34th president.
  • Julius and Ethel

    Julius and Ethel are executed because they were caught telling the soviets secret information about the atomic weapons.
  • Explorer 1

    On this day America sent its first satellite into orbit.
  • Alaska

    Alaska becomes the 49th state of the United states of America.
  • Hawaii

    Hawaii becomes the 50 state to join the United States of America.
  • Civil rights

    The civil rights act is signed by president Johnson.

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