Australia In The Vietnam War By mattbunin Mar 13, 1946 Primeminister declares the communists are a threat to Labor Dec 1, 1949 Government Breaks coal strike by communist led union by sending in troops and freezing the union's funds Mar 13, 1950 Menzies Government has communist party dissolution bill passed by parliment, but ruled unconstitunonal by the high court. Jul 1, 1950 Australia Supports UN and USA in Korean War against communists. Mar 13, 1951 Referendum to change constitution is defeated Sep 13, 1951 ANZUS is signed Jul 13, 1953 Korean War Ends Mar 13, 1955 Australia sends troops to Maylaya Aug 13, 1957 Maylaya Gains Indepence From Britain Mar 13, 1962 First Australian Troops sent to Vietnam Mar 13, 1963 Soviet Dipilomat, Ivan Skripov, expelled for spying May 1, 1963 Australia promises troops to support Maylasia if communists attack Mar 13, 1965 First USA troops arrive in South Vietnam Apr 1, 1965 Battalion of 800 Australian fighting troops sent to Vietnam May 13, 1965 Save Our Sons is formed Mar 13, 1966 Menzies retires as Primeminster Dec 18, 1967 Harold Holt Dies Mar 18, 1971 Australia withdraws troops from Vietnam