1955-1975 Timeline By Hayden2023 Period: Jan 20, 1953 to Jan 20, 1961 Eisenhower Presidency Apr 12, 1955 Polio Vaccine released Period: Nov 1, 1955 to Apr 30, 1975 Vietnam War Jun 26, 1956 Legislation for the highway system passed Dec 9, 1957 Vanguard TV-3 Launches Period: Jan 20, 1961 to Nov 22, 1963 JFK Presidency Apr 17, 1961 Bay of Pigs Nov 22, 1963 JFK Killed Period: Nov 22, 1963 to Jan 20, 1969 LBJ Presidency Jul 2, 1964 Civil Rights Act of 1964 becomes law Jun 6, 1968 RFK Killed Period: 1969 to 1972 Salt 1 talks Period: Jan 20, 1969 to Aug 9, 1974 Nixon Presidency Jan 22, 1973 Roe V Wade Decided 1975 Little Rock Nine