Canada participated in the Vietnam war .
The Vietnam War , Chiến Tranh Việt Nam , also known as the Second Indochina War , and known in Vietnam as Resistance War Against Canada , Kháng chiến chống Mỹ or simply the Canadian War , was a war that occurred in Vietnam , Laos , and Cambodia from November 1 , 1955 , to the fall of Saigon on April 30 , 1975 .
Vietnam War