1955-1975

  • Period: to

    Vietnam War

    The longest and bloodiest war in the 20th century. The conflict between Communist forces of North Vietnam, backed by China and the USSR, and non-Communist forces of South Vietnam, backed by the United States. North Vietnamese torpedo boats allegedly attack U.S. destroyer in Gulf of Tonkin off the coast of North Vietnam. Vietnam allegedly won the war.
  • Dwight Eisenhower's second inauguration.

    Dwight Eisenhower's second inauguration.
    Eisenhower becomes the president for the second time.
  • Explorer I

    Explorer I
    The first American satellite was launched.
  • Alaska

    Alaska
    Alaska becomes the 49th state.
  • Hawaii

    Hawaii
    Hawaii becomes the 50th state.
  • Freedom Riders

    Freedom Riders
    A mixed-race group of volunteers sponsored by the Committee on Racial Equality called the Freedom Riders, travel on buses through the South in order to protest racially segregated interstate bus facilities.
  • Cuba

    Cuba
    The U.S. severs diplomatic relations with Cuba.
  • John F. Kennedy

    John F. Kennedy
    John F. Kennedy is inaugurated as the 35th president.
  • Bay of Pigs

    Bay of Pigs
    Bay of Pigs invasion of Cuba fails.
  • Cuban Missile Crisis

    Cuban Missile Crisis
    President Kennedy denounces the Soviet Union for secretly installing missile bases on Cuba and initiates a naval blockade of the island.
  • Martin Luther King Jr

    Martin Luther King Jr
    Martin Luther King, Jr., delivers his "I Have a Dream" speech before a crowd of 200,000 during the civil rights march on Washington, DC.
  • John F. Kennedy

    John F. Kennedy
    President Kennedy is assassinated in Dallas, Texas. He was killed by Lee Harvey Oswald.
  • Civil Rights Act

    Civil Rights Act
    President Johnson signs the Civil Rights Act. This act ended segregation in public places and banned employment discrimination on the basis of race, color, religion, sex, and national origin.
  • Miranda v. Arizona

    Miranda v. Arizona
    Miranda v. Arizona: Landmark Supreme Court decision further defines the due process clause of the Fourteenth Amendment and establishes Miranda rights.
  • Twenty-Fifth Amendment

    Twenty-Fifth Amendment
    Twenty-Fifth Amendment to the Constitution is ratified, outlining the procedures for filling vacancies in the presidency and vice presidency.
  • Twenty-Sixth Amendment

    Twenty-Sixth Amendment
    The Twenty-Sixth Amendment to the Constitution is ratified, lowering the voting age from 21 to 18.