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  The Viet Minh receive military advisors and weapons from China.
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  The United States pledges $15 million worth of military aid to France to help them fight in Vietnam.
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  The French suffer a decisive defeat at the Battle of Dien Bien Phu.
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  The Geneva Accords creates a cease-fire for the peaceful withdrawal of the French from Vietnam and provides a temporary boundary between North and South Vietnam at the 17th parallel.
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  South Vietnam declares itself the Republic of Vietnam, with newly elected Ngo Dinh Diem as president.
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  The National Liberation Front (NLF), also called the Viet Cong, is established in South Vietnam.
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  South Vietnamese President Ngo Dinh Diem is executed during a coup.
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  North Vietnamese attack two U.S. destroyers sitting in international waters (the Gulf of Tonkin Incident).
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  In response to the Gulf of Tonkin Incident, the U.S. Congress passes the Gulf of Tonkin Resolution.
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  A sustained U.S. aerial bombing campaign of North Vietnam begins (Operation Rolling Thunder).
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  The first U.S. troops come to Vietnam.
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  U.S. troops in Vietnam reaches 540,000.