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Ngo Dinh Diem became President of South Vietnam
Pro-American Ngo Dinh Diem became President of South Vietnam in October. America agreed to train Diem’s army.
The Vietnam War also known as the Second Indochina War, begins. -
Diem began to arrest
Ngo Dinh Diem began to arrest anyone suspected of being in the Viet Minh who responded by starting a campaign of guerrilla warfare in the south. -
Vietminh started a campaign
the Vietminh started a campaign of guerrilla warfare in South Vietnam -
The upswing in violence
the upswing in violence against the government of South Vietnam continued, much of which was committed by the communist-dominated insurgents now called the Viet Cong. -
Infiltrating the South.
Weapons and men from North Vietnam begin infiltrating the South. -
American aid
American aid to Diem increased. -
Kennedy pledged
President John F. Kennedy pledged additional aid to South Vietnam -
US military advisors
number of US military advisors in South Vietnam rises to 12,000. -
Defeating and Overthrowing
Viet Cong, the communist guerrillas operating in South Vietnam, defeat units of the ARVN, the South Vietnamese Army.
President Diem is overthrown and then killed in a US-backed military coup. -
Gulf of Tonkin incident
Gulf of Tonkin incident: the US says North Vietnamese patrol boats fire on two US Navy destroyers. US Congress approves Gulf of Tonkin Resolution, authorising military action in region. -
Troops arrive
200,000 American combat troops arrive in South Vietnam. -
Troop numbers rise
US troop numbers in Vietnam rise to 400,000, then to 500,000 the following year. -
Thieu became President
Nguyen Van Thieu became President of South Vietnam
Operation Cedar Falls. The Iron Triangle of Vietcong tunnels is discovered -
Tet Offensive
Tet Offensive - a combined assault by Viet Cong and the North Vietnamese army on US positions - begins. More than 500 civilians die in the US massacre at My Lai. Thousands are killed by communist forces during their occupation of the city of Hue. -
Reduce US ground troops
Ho Chi Minh dies. President Nixon begins to reduce US ground troops in Vietnam as domestic public opposition to the war grows. -
Talk starts
Nixon's national security advisor, Henry Kissinger, and Le Duc Tho, for the Hanoi government, start talks in Paris. -
Publication with Murder
Publication of the Pentagon Papers in the summer of 1971. The Pentagon Papers was the name given to a secret Department of Defense study of U.S. political and military involvement in Vietnam from 1945 to 1967
Lt. William Calley was convicted of murder at My Lai and jailed. -
The Easter Offensive
The Easter Offensive began on March 30, 1972.
Battle of Loc Ninh (4–7 April 1972) -
Ceasefire
Ceasefire agreement in Paris, US troop pull-out completed by March. -
Ho Chi Minh Campaign
The Ho Chi Minh Campaign was the final title applied to a series of increasingly large-scale and ambitious offensive operations by the Democratic Republic ofVietnam (North Vietnam) and the National Front for the Liberation of South Vietnamwhich began on 13 December 1974. -
Surrenders
North Vietnamese troops invade South Vietnam and take control of the whole country after South Vietnamese President Duong Van Minh surrenders.
