The Vietnam War was an armed conflict that occurred in Vietnam, Laos and Cambodia from November 1 1955 to April 30 1975. The conflict saw the communist regime of North Vietnam fight against South Vietnam and the United States. The contentious war ended with the withdrawal of U.S. military forces in 1973 and saw the confederation of Vietnam under Communist control in 1975. Throughout the course of the war, over 3 million people, among them 58,148 American citizens, were killed in the conflict and 75,000 individuals were severely disabled in the war.