Portal:Australia/Anniversaries/March/March 9
- 1787 – In Portsmouth, England, Lieutenant Ralph Clark (pictured) begins the first of his diaries covering the voyage of the First Fleet and the early years of British settlement.
- 1857 – The first elections to the South Australian House of Assembly are concluded, with B. T. Finniss, the caretaker premier, retained in the position, and 36 others elected to 17 constituencies.
- 1909 – Adelaide's new system of electric tramways is officially opened by the wife of the premier, Thomas Price.
- 1951 – In Australian Communist Party v Commonwealth, the High Court of Australia holds that the Federal Parliament's attempt to ban the Communist Party of Australia is unconstitutional.
- 2000 – Melbourne's Docklands Stadium is officially opened, replacing Waverley Park as Victoria's second-largest stadium and headquarters of the Australian Football League.