4 March – The Castle Hill convict rebellion, also known as the Battle of Vinegar Hill, takes place: 200 convicts, mostly Irish, rebel. Fifty-one convicts are punished, and nine hanged.[1]
3 May – An Aboriginal food hunting party is attacked by settlers and soldiers at Risdon Cove. Eyewitness estimates of the death toll from the massacre vary from three or four to fifty.[2]
16 September – A government-owned brewery is opened at Parramatta as a means of controlling the consumption of spirits.[3]
4 November – In a letter to Sir Joseph Banks, Matthew Flinders recommends that the newly discovered country, New Holland, be renamed "Australia" or "Terra Australis" (from the Latin "australis" meaning "of the south").[4]
24 March – The settlement at the Hunter River, also known as the Coal River, is officially named Newcastle.[6]
8 May – Lieutenant-Governor Collins establishes the settlement at Sullivan's Cove on the Derwent River.[7]
15 June – The name "Hobart Town", after the Colonial Secretary Lord Hobart, is adopted as the name for the new colony at Sullivan's Cove.[7]
5 November – Lieutenant-Colonel William Paterson arrives at Outer Cove, leading the Buffalo, the Lady Nelson and two schooners, under instructions from London to form a settlement in the north of Van Diemen's Land.[7]