The Vietnam era refers to the period between approximately 1955 and 1975 when the United States was involved in military operations in Vietnam. It includes not only the war itself but also significant social, cultural, and political changes within American society during this time.
Related terms
Gulf of Tonkin Resolution: A Congressional resolution passed in 1964 that gave President Lyndon B. Johnson broad authority to escalate U.S. military involvement in Vietnam.
Tet Offensive: A series of coordinated North Vietnamese attacks on South Vietnam in 1968, which marked a turning point in public opinion against the war.
Vietnamization: The policy introduced by President Richard Nixon to gradually withdraw American troops from Vietnam and shift the burden of fighting to the South Vietnamese army.