- 1831 – Captain Collet Barker, the first to explore the area around present-day Adelaide, South Australia, is killed by Aborigines near Lake Alexandrina.
- 1915 – During the Gallipoli Campaign, HMAS AE2, a Royal Australian Navy submarine, is sunk by enemy shellfire in the Sea of Marmara in present-day Turkey.
- 1969 – Sir Paul Hasluck is appointed Governor-General of Australia, succeeding The Lord Casey.
- 1988 – World Expo 88 (pictured), part of the Australian Bicentenary, opens in Brisbane, Queensland.
- 2003 – Chinese-born stockbroker Rene Rivkin is found guilty of insider trading in relation to a purchase of 50,000 shares in Qantas, the national airline of Australia.
- 2006 – Miners Brant Webb and Todd Russell are found alive five days after a mine collapse in Beaconsfield, Tasmania.
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