1804 in Australia

The following lists events that happened during 1804 in Australia.

Decades:

Incumbents

4 March â 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 â 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 â A government-owned brewery is opened at Parramatta as a means of controlling the consumption of spirits.^[3]
4 November â 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]

15 February â Lieutenant-Governor David Collins lands at Risdon Cove in Van Diemen's Land (Tasmania). Unhappy with the area as a site for a settlement, Collins sends his surveyor, George Prideaux Harris, and harbour master William Collins in search of an alternative site. Harris and Collins recommend Sullivan's Cove.^[5]
24 March â The settlement at the Hunter River, also known as the Coal River, is officially named Newcastle.^[6]
8 May â Lieutenant-Governor Collins establishes the settlement at Sullivan's Cove on the Derwent River.^[7]
15 June â 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 â 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]