1955-1975

  • Rosa Parks

    She was arrested for refusing to move to the back of a bus and give her seat to a white passenger in Montgomery, Alabama.
  • US Supreme Court

    US Supreme Court rules race separation on buses in Alabama unconstitutional.
  • Dwight D. Eisenhower

    President Dwight D. Eisenhower orders US troops to support integration of nine black students at Little Rock Central High School in Arkansas.
  • Sputnik 1

    Sputnik 1 was the first artificial Earth satellite.
  • US Supreme Court

    US Supreme Court orders the all-white Central High School in Little Rock, Arkansas to integrate.
  • Luna 1

    Luna 1 (Mechta) becomes 1st craft to leave Earths gravity.
  • Yuri Alekseyevich Gagarin

    He became the first human being to travel into space.
  • Valentina Tereshkova

    She became the first woman to travel into space.
  • Alexey Leonov

    He became the first person to walk in space, leaving his spacecraft Voskhod 2 for 12 minutes.
  • Moon Landing

    The United States' Apollo 11 was the first crewed mission to land on the Moon.
  • Richard Nixon

    He became the first US President to visit China.
  • Vietnam War

    US begins to evacuate its citizens from Saigon in Operation Frequent Wind in response to advancing North Vietnamese forces, bringing an end to US involvement in the war.