Vietnam: The Johnson Years, 1963-67 By pecsvaradi Nov 1, 1963 Kennedy Assassinated Period: Nov 22, 1963 to Jan 20, 1969 Johnson's Presidency Dec 1, 1963 North Vietnam intensifies War in South Jan 1, 1964 Covert Operations approved, Diem overthrown Aug 2, 1964 Gulf of Tonkin Incidents, Resolution passed Dec 1, 1964 23,300 US military personnel in South Vietnam Feb 1, 1965 Operation Rolling Thunder begins Mar 1, 1965 US Marines deployed to guard air bases Jun 1, 1965 General Westmoreland empowered to commit US ground forces to combat Dec 1, 1965 184,300 US military personnel in South Vietnam Jan 1, 1966 Bombing campaigns restarted Dec 1, 1966 385,300 US military personnel in South Vietnam Feb 1, 1967 US mines harbours and rivers in DRV Sep 1, 1967 Nguyen Van Thieu Elected President Oct 1, 1967 Anti-War demonstration turns violent Dec 1, 1967 485,600 US military personnel in South Vietnam
