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The U.S. more than doubles its military advisors in Vietnam
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President John F. Kennedy sends helicopters and 400 Green Berets to South Vietnam
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Lyndon Johnson visits South Vietnam
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Ngo Dinh Diem’s presidential palace in Saigon is bombed
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Kennedy signs National Security Action Memorandum 263
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President Johnson orders the bombing of targets in North Vietnam in Operation Flaming Dart
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President Johnson launches a three-year campaign of sustained bombing of targets in Operation Rolling Thunder
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American aircraft attack targets in Hanoi and Haiphong
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Huge Vietnam War protests occur in Washington, D.C., New York City and San Francisco.
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The Tet Offensive begins
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Ho Chi Minh dies of a heart attack
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Henry Kissinger begins secret peace negotiations with Hanoi politburo member Le Duc Tho in Paris
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The New York Times publishes a series of articles detailing leaked Defense Department documents about the war
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President Nixon orders the launch of the most intense air offense of the war in Operation Linebacker
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The Selective Service announces the end to the draft and institutes an all-volunteer military