This document provides background on the Vietnam War from 1954 to 1975. It summarizes key events including France's loss of control to Ho Chi Minh's forces in 1954, the division of Vietnam along the 17th parallel, the US escalation of military involvement under Kennedy and Johnson, the Tet Offensive of 1968 that turned US public opinion against the war, Nixon's Vietnamization policy, the 1973 ceasefire agreement, and the fall of Saigon to North Vietnamese forces in 1975. It also discusses the human and financial costs of the war as well as its lasting impacts.