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Casualty
Ngo Dinh Diem, South Vietnam's premier, slain in coup -
Attack on us destroyers
North Vietnamese torpedo boats reportedly attack U.S. destroyers in Gulf of Tonkin -
Air strikes
President Johnson orders retaliatory air strikes. Congress approves Gulf of Tonkin resolution -
Bomb used by North Vietnam
B-52s bomb DMZ, reportedly used by North Vietnam for entry into South -
Invasion
U.S. troops invade Cambodia in order to destroy North Vietnamese sanctuaries -
Refugees
More than 140,000 Vietnamese refugees leave by air and sea, many to settle in U.S. Provisional Revolutionary Government takes control
