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Febuary 1930
Ho Chi Minh founds the Indochinese Communist Party at a meeting in Hong Kong. -
May 1941
Ho Chi Minh and communist colleagues establish the League for the Independence of Vietnam. Known as the Viet Minh, the movement aims to resist French and Japanese occupation of Vietnam. -
March 1945
Japanese troops occupying Indochina carry out a coup against French authorities and announce an end to the colonial era, declaring Vietnam, Laos and Cambodia independent. -
September 1945
Ho Chi Minh declares an independent North Vietnam and models his declaration on the American Declaration of Independence of 1776 in an (unsuccessful) effort to win the support of the United States. -
June 1950
The United States, identifying the Viet Minh as a Communist threat, steps up military assistance to France for their operations against the Viet Minh. -
April 1954
In a speech, U.S. President Dwight D. Eisenhower says the fall of French Indochina to communists could create a “domino” effect in Southeast Asia. This so-called domino theory guides U.S. thinking on Vietnam for the next decade. -
July 1954
The Geneva Accords establish North and South Vietnam with the 17th parallel as the dividing line. The agreement also stipulates that elections are to be held within two years to unify Vietnam under a single democratic government. These elections never happen -
May 1959
North Vietnam forces begin to build a supply route through Laos and Cambodia to South Vietnam in an effort to support guerrilla attacks against Diem’s government in the south. The route becomes known as the Ho Chi Minh Trail and is greatly expanded and enhanced during the Vietnam War. -
May 1961
President John F. Kennedy sends helicopters and 400 Green Berets to South Vietnam and authorizes secret operations against the Viet Cong. -
August 1964
USS Maddox is allegedly attacked by North Vietnamese patrol torpedo boats in the Gulf of Tonkin (the attack is later disputed), leading President Johnson to call for air strikes on North Vietnamese patrol boat bases. Two U.S. aircraft are shot down and one U.S. pilot, Everett Alvarez, Jr., becomes the first U.S. airman to be taken prisoner by North Vietnam. -
February 1965
President Johnson orders the bombing of targets in North Vietnam in Operation Flaming Dart in retaliation for a Viet Cong raid at the U.S. base in the city of Pleiku and at a nearby helicopter base at Camp Holloway. -
August 1965
In Operation Starlite, some 5,500 U.S. Marines strike against the First Viet Cong Regiment in the first major ground offensive by U.S. forces in Vietnam. The six-day operation diffuses the Viet Cong regiment, although it would quickly rebuild. -
November 1965
Nearly 300 Americans are killed and hundreds more injured in the first large-scale battle of the war, the Battle of la Drang Valley. At the battle, in South Vietnam’s Central Highlands, U.S. ground troops are dropped onto and withdrawn from the battlefield by helicopter, in what would become a common strategy. Both sides declare victory. -
November 1967
In the Battle of Dak To, U.S. and South Vietnamese forces resist an offensive by communist forces in the Central Highlands. The United States forces suffer some 1,800 casualties. -
January 1968
The Tet Offensive begins, encompassing a combined assault of Viet Minh and North Vietnamese armies. Attacks are carried out in more than 100 cities and outposts across South Vietnam, including Hue and Saigon, and the U.S. Embassy is invaded. The effective, bloody attacks shock U.S. officials and mark a turning point in the war and the beginning of a gradual U.S. withdrawal from the region. -
March 16, 1968
At the U.S. massacre at Mai Lai, more than 500 civilians are murdered by U.S. forces. The massacre happens amid a campaign of U.S. search-and-destroy operations that are intended to find enemy territories, destroy them and then retreat. -
June 1971
The New York Times publishes a series of articles detailing leaked Defense Department documents about the war, known as the Pentagon Papers. The report reveals the U.S. government had repeatedly and secretly increased U.S. involvement in the war. -
December 1972
President Nixon orders the launch of the most intense air offense of the war in Operation Linebacker. The attacks, concentrated between Hanoi and Haiphong, drop roughly 20,000 tons of bombs over densely populated regions. -
January 27, 1973
The Selective Service announces the end to the draft and institutes an all-volunteer military. -
January 27, 1973
President Nixon signs the Paris Peace Accords, ending direct U.S. involvement in the Vietnam War. The North Vietnamese accept a cease fire. But as U.S. troops depart Vietnam, North Vietnamese military officials continue plotting to overtake South Vietnam.
