1955-1975 By Josh Allen 1954 Brown v. Board of Education 1955 McCarthy accuses many public figures of communism 1955 Warsaw Pact 1957 Eisenhower reelected President 1957 School integration begins 1958 First American satellite is launched 1959 Alaska becomes 49th state 1959 Hawaii becomes 50th state 1961 John F Kennedy becomes President 1961 Bay of Pigs 1961 Freedom Riders 1962 Cuban Missile Crisis 1963 Martin Luther King Jr. "I have a dream" speach 1963 Kennedy is assassinated. Johnson becomes President 1964 Civil Rights Act 1965 Johnson is reelected 1965 Voters Rights Act 1966 Mirana v. Arizona 1967 25th Amendment passes 1968 Martin Luther King Jr. assassinated 1969 Nixon becomes President 1971 26th Amendment passes 1972 US and Soviet Union sign SALT 1973 Nixon reelected 1973 Nixon's VP resigns 1974 Nixon resigns after impeachment recommended 1975 South Vietnam surrenders to the North