Vietnam War By jalillan000 1954 Geneva Accords signed Apr 7, 1954 Eisenhower explains his ''Domino theory'' May 7, 1954 Dien Bien Phu is overrun by the Vietminh Aug 10, 1964 Gulf of Tonkin Resolution Mar 8, 1965 American's involvement in Vietnam begins Jul 28, 1965 U.S. troops levels increased to 50,000 Jan 30, 1968 Tet offensive Mar 16, 1968 My Lai Massacre Mar 31, 1968 Johnson announces he will not run from re-election Nov 5, 1968 Nixon wins the election 1969 Vietnamization introduced Aug 15, 1969 Woodstock festival Apr 29, 1970 Invasion of Cambodia May 4, 1970 Kent State student shot Apr 30, 1975 Fall of Saigon