The Vietnam War

The Vietnam War (also known as the Vietnamese Revolution, the Second Indochina War and, in contemporary Vietnam, as the 'American War') was a military conflict in present day Vietnam occurring from 1959 to April 30, 1975. The conflict was a successful effort by the Democratic Republic of Vietnam (DRV or North Vietnam) and the indigenous National Front for the Liberation of South Vietnam, (also known as the Việt Cộng, or more informally as the "Charlie", "VC" or "Cong") to impose on Vietnam a communist system, defeating the South Vietnamese Republic of Vietnam (RVN). To a degree, the Vietnam War was a "proxy war" between the U.S. and its Western allies on the side of the RVN, with the Soviet Union and the People's Republic of China supporting the DRV on the other. As a result of this it is often considered part of the Cold War.

The chief cause of the war was the failure of Vietnamese nationalists, in the form of the Viet Minh, to gain control of southern Vietnam both during and after their struggle for independence from France in the First Indochina War of 1946–54.

The U.S., in particular, deployed large numbers of military personnel to South Vietnam between 1954 and 1973. U.S. military advisors first became involved in Vietnam as early as 1950, when they began to assist French colonial forces. In 1956, these advisers assumed full responsibility for training the Army of the Republic of Vietnam or ARVN. President Kennedy increased America's troop number from 500 to 16,000. Large numbers of American combat troops began to arrive in 1965 and remained in South Vietnam until August 1972. Almost all of the remaining U.S. military personnel departed after the Paris Peace Agreement of 1973, leaving behind only an embassy guard. The last American troops left the country on April 30, 1975.

At various stages the conflict involved clashes between small units patrolling the mountains and jungles, guerrilla attacks in the villages and cities, and finally, large-scale conventional battles. U.S. aircraft also conducted substantial aerial bombing campaigns, targeting both logistical networks and the cities and transportation arteries of North Vietnam. Large quantities of chemical defoliants were also sprayed from the air in an effort to reduce the cover available to enemy combatants.

The Vietnam War was finally concluded on 30 April 1975, with the fall of the South Vietnamese capital of Saigon to North Vietnamese forces. The war claimed between 2 and 5.7 million Southeast Asian lives, a large number of whom were civilians.