The document summarizes key events in the Vietnam War between 1954-1975. It describes how Vietnam was divided after French rule, with communist North Vietnam led by Ho Chi Minh and anti-communist South Vietnam led by Ngo Dinh Diem. American involvement escalated under Presidents Kennedy, Johnson and McNamara due to fears of communism spreading. The Gulf of Tonkin Resolution allowed President Johnson to send troops to Vietnam after reported attacks on US ships.