19 years, 180 days
1955 until 1975.
At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
Australia had nothing to do with the Vietnam War.
The Vietnam War.
The Democratic Republic of Vietnam (AKA North Vietnam) .
At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
See website: Moratoriums to end the war in Vietnam.
The North won.
At the end of the war.
Vietnam
See: Vietnam War
Vietnam