- 1800 – First copper coins circulated in New South Wales.
- 1813 – George William Evans, assistant surveyor, sets out to confirm the earlier discoveries of Blaxland, Lawson and Wentworth.
- 1834 – The first permanent European settlement on the north coast of Bass Strait is established at Portland.
- 1937 – Hubert Opperman completes an epic bicycle ride from Fremantle, Western Australia to Sydney, taking 13 days, 10 hours and 11 minutes.
- 1941 – The cruiser HMAS Sydney is involved in a mutually destructive battle with the German ship Kormoran off Western Australia. All 645 aboard Sydney die.
- 1996 – US President Bill Clinton makes a visit to Australia in which he addresses both Houses of Parliament.
- 1996 – Martin Bryant is sentenced to 35 consecutive sentences of life imprisonment plus 1035 years without parole for the Port Arthur massacre.