Portal:Australia/Anniversaries/December/December 27
- 1803 – Convict William Buckley escapes from Sullivan Bay, Victoria. He lives with the Wautharong Aboriginal people for 32 years.
- 1943 – Australian forces capture Shaggy Ridge, New Guinea after a four-month battle against the Japanese.
- 1974 – The Perth Entertainment Centre opens. It has a capacity of 8200 seats.
- 2002 – The first X'Trapolis train enters service with Connex in Melbourne.