The following lists events that happened during 1820 in Australia.
Incumbents Monarch – George III until 29 January 1820 then George IV
Governors Governors of the Australian colonies: Governor of New South Wales- Major-General Lachlan Macquarie Lieutenant-Governor of Tasmania – Colonel William Sorell
Events 3 May – John Joseph Therry and Philip Conolly, the first Catholic priests officially appointed to Australia, arrive at Port Jackson from Ireland. 19 August – Joseph Wild discovers Lake George and names the Snowy Mountains. 28 October – Governor Macquarie names Lake George after King George III. 1 December – Campbelltown, New South Wales is established. Sydney has 1,084 buildings – mostly single-storey dwellings – and 12,079 people. Sheep population in Australia - 120,000.
Births 14 May – James Martin (died 1886), Premier of New South Wales
References