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Domino Theory coined
President Dwight D. Eisenhower coins one of the most famous Cold War phrases when he suggests the fall of French Indochina to the communists could create a “domino” effect in Southeast Asia. Its significance was that it was a means to contain the spread of communism. -
Geneva Accords
In July 1954, the Geneva Agreements were signed. As part of the agreement, the French agreed to withdraw their troops from northern Vietnam. -
Assassination of Diem
On 1 November 1963, Ngô Đình Diệm, the president of South Vietnam, was arrested and assassinated in a successful coup d'état led by General Dương Văn Minh. -
Gulf of Tonkin Resolution
The Gulf of Tonkin Resolution was a joint resolution of the U.S. Congress passed on August 7, 1964 in direct response to a minor naval engagement known as the Gulf of Tonkin Incident. It is of historical significance because it gave U.S. President Lyndon B. Johnson authorization, without a formal declaration of war by Congress, for the use of military force in Southeast Asia. -
LBJ ordered 1st troops to Vietnam
On 8 March 1965, two battalions of U.S. Marines waded ashore on the beaches at Danang. Those 3,500 soldiers were the first combat troops the United States had dispatched to South Vietnam to support the Saigon government in its effort to defeat an increasingly lethal Communist insurgency. -
Tet Offensive
The Tet Offensive was a major escalation and one of the largest military campaigns of the Vietnam War. -
My Lai Massacre
The Mỹ Lai massacre was the mass murder of unarmed South Vietnamese civilians by United States troops in Sơn Tịnh District, South Vietnam, on 16 March 1968 during the Vietnam War. -
Nixon’s Vietnamization policy
Vietnamization was a policy of the Richard Nixon administration to end U.S. involvement in the Vietnam War through a program to "expand, equip, and train South Vietnamese forces and assign to them an ever-increasing combat role, at the same time steadily reducing the number of U.S. combat troops". -
Nixon sends troops into Cambodia
Enhancing the destruction, in April 1970, President Nixon ordered United States troops to occupy parts of Cambodia. Nixon claimed that the soldiers were protecting the United States' withdrawal from South Vietnam. -
Kent State shooting
The Kent State shootings, also known as the May 4 massacre and the Kent State massacre, were the killings of four and wounding of nine other unarmed Kent State University students by the Ohio National Guard on May 4, 1970 -
Hard Hat Riot
The Hard Hat Riot occurred on May 8, 1970, in New York City. It started around noon when around 400 construction workers and around 800 office workers attacked around 1,000 demonstrators affiliated with the student strike of 1970. -
Nixon’s Christmas bombing
On Dec. 18, 1972, Richard Nixon initiated a massive “carpet bombing” campaign in Northern Vietnam that was officially called “Operation Linebacker II” and also became known as the Christmas bombing campaign. -
Paris Peace Accords
The Paris Peace Accords, officially the Agreement on Ending the War and Restoring Peace in Viet Nam, was a peace treaty signed on January 27, 1973 -
War Powers Act
The War Powers Resolution is a federal law intended to check the U.S. president's power to commit the United States to an armed conflict without the consent of the U.S. Congress. The resolution was adopted in the form of a United States congressional joint resolution. -
Saigon Falls
The Fall of Saigon, also known as the Liberation of Saigon by North Vietnamese or Liberation of the South by the Vietnamese government, and known as Black April by anti-communist overseas Vietnamese was the capture of Saigon, the capital of South Vietnam, by the People's Army of Vietnam and the National Liberation Front of South Vietnam on 30 April 1975