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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. -
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.
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the Vietminh started a campaign of guerrilla warfare in South Vietnam
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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.
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Weapons and men from North Vietnam begin infiltrating the South.
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American aid to Diem increased.
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President John F. Kennedy pledged additional aid to South Vietnam
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number of US military advisors in South Vietnam rises to 12,000.
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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: 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.
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200,000 American combat troops arrive in South Vietnam.
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US troop numbers in Vietnam rise to 400,000, then to 500,000 the following year.
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Nguyen Van Thieu became President of South Vietnam
Operation Cedar Falls. The Iron Triangle of Vietcong tunnels is discovered -
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.
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Ho Chi Minh dies. President Nixon begins to reduce US ground troops in Vietnam as domestic public opposition to the war grows.
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Nixon's national security advisor, Henry Kissinger, and Le Duc Tho, for the Hanoi government, start talks in Paris.
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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 began on March 30, 1972.
Battle of Loc Ninh (4–7 April 1972) -
Ceasefire agreement in Paris, US troop pull-out completed by March.
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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.
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North Vietnamese troops invade South Vietnam and take control of the whole country after South Vietnamese President Duong Van Minh surrenders.