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begining
President Truman sends 35-man military advisory group to aid French fighting to maintain colonial power in Vietnam. -
conflict
Communists form National Liberation Front in South. -
war
North Vietnamese torpedo boats reportedly attack U.S. destroyers in Gulf of Tonkin (Aug. 2). President Johnson orders retaliatory air strikes. Congress approves Gulf of Tonkin resolution (Aug. 7) authorizing president to take “all necessary measures” to win in Vietnam, allowing for the war's expansion. -
soldiers
U.S. planes begin combat missions over South Vietnam. In June, 23,000 American advisers committed to combat. By end of year over 184,000 U.S. troops in area. -
more soldiers
U.S. has almost 525,000 men in Vietnam. In Tet offensive (Jan.–Feb.), Viet Cong guerrillas attack Saigon, Hue, and some provincial capitals. In My Lai massacre, American soldiers kill 300 Vietnamese villagers (March 16). President Johnson orders halt to U.S. bombardment of North Vietnam (Oct. 31). Saigon and N.L.F. join U.S. and North Vietnam in Paris peace talks. -
invasion
U.S. troops invade Cambodia in order to destroy North Vietnamese sanctuaries -
end
Election of National Assembly paves way for reunification of North and South.