- 1805 – John Macarthur returns to New South Wales as a civilian settler; the British Government accepts his resignation from the New South Wales Corps and approves his return.
- 1856 – Bounty Day is celebrated each year in Norfolk Island, in memory of the arrival of the Pitcairn Islanders.
- 1919 – Sir Henry Briggs, President of the Western Australian Legislative Council for 13 years, dies.
- 1928 – Charles Kingsford Smith completes the first trans- Pacific flight from the United States to Australia in the Southern Cross.
- 1942 – Japanese submarines shell Sydney and Newcastle.
- 1951 – The School of the Air officially opens.
- 1983 – The first triplets resulting from in-vitro fertilization were born at the Flinders Medical Centre in Adelaide.
- 1983 – Homosexuality is decriminalised in the state of New South Wales.
- 1805 – John Macarthur returns to New South Wales as a civilian settler; the British Government accepts his resignation from the New South Wales Corps and approves his return.
- 1856 – Bounty Day is celebrated each year in Norfolk Island, in memory of the arrival of the Pitcairn Islanders.
- 1919 – Sir Henry Briggs, President of the Western Australian Legislative Council for 13 years, dies.
- 1928 – Charles Kingsford Smith completes the first trans- Pacific flight from the United States to Australia in the Southern Cross.
- 1942 – Japanese submarines shell Sydney and Newcastle.
- 1951 – The School of the Air officially opens.
- 1983 – The first triplets resulting from in-vitro fertilization were born at the Flinders Medical Centre in Adelaide.
- 1983 – Homosexuality is decriminalised in the state of New South Wales.