-
John Gorton
10 January – John Gorton is sworn in as Prime Minister of Australia after the disappearance of Harold Holt. -
Sydney's Water Supply
8 April – Fluoridation of Sydney's water supply begins. -
Australian Journalists
5 May – Three Australian journalists are killed by the Viet Cong in Saigon. -
Arresting
2 July – Fifty students are arrested during an anti-Vietnam War protest in Martin Place, Sydney. -
Referendum
14 December – A referendum is held in Tasmania to allow the granting of Australia's first casino license to the Wrest Point Hotel. The referendum is passed.