Events

• 25 April - First post office
  Post office
  A post office is a facility forming part of a postal system for the posting, receipt, sorting, handling, transmission or delivery of mail.Post offices offer mail-related services such as post office boxes, postage and packaging supplies...
  
   in Sydney established. Ex-convict
  Convict
  A convict is "a person found guilty of a crime and sentenced by a court" or "a person serving a sentence in prison", sometimes referred to in slang as simply a "con". Convicts are often called prisoners or inmates. Persons convicted and sentenced to non-custodial sentences often are not termed...
  
   Isaac Nichols
  Isaac Nichols
  Isaac Nichols was a convict on the Third Fleetwho became a successful businessman and was appointed the first Postmaster of New South Wales in 1809. The mayhem that could occur when supply ships arrived, which was said to include unscrupulous people taking other people's mail and selling it back...
  
   is the first postmaster.
• 8 May - Lachlan Macquarie
  Lachlan Macquarie
  Major-General Lachlan Macquarie CB , was a British military officer and colonial administrator. He served as the last autocratic Governor of New South Wales, Australia from 1810 to 1821 and had a leading role in the social, economic and architectural development of the colony...
  
   is officially appointed Governor of New South Wales, caretaker William Patterson
  William Paterson (explorer)
  Colonel William Paterson, FRS was a Scottish soldier, explorer, Lieutenant governor and botanist best known for leading early settlement in Tasmania. This botanist is denoted by the author abbreviation Paterson when citing a botanical name.-Early years:A native of Montrose, Scotland, Paterson was...
  
   governs until his appointment begins on 1 January 1810.
• 24 May - Lachlan Macquarie receives his commission as next governor of New South Wales, including instructions to reinstate Bligh temporarily on his arrival.

Exploration and settlement

• Settlement began at O'Brien's bridge near the centre of present-day Glenorchy, Tasmania
  Glenorchy, Tasmania
  Glenorchy is a business district and suburb in the northern part of greater Hobart, capital of the state of Tasmania, Australia. The land was originally used for agriculture but is now a largely suburban, working-class area...
  
  .

Births

• 5 April - Arthur Edward Kennedy
  Arthur Edward Kennedy
  Sir Arthur Edward Kennedy GCMG CB was a British colonial administrator who served as governor of a number of British colonies, namely Sierra Leone, Western Australia, Vancouver Island, Hong Kong and Queensland....
  
  , Governor of Western Australia
  Governor of Western Australia
  The Governor of Western Australia is the representative in Western Australia of Australia's Monarch, Queen Elizabeth II. The Governor performs important constitutional, ceremonial and community functions, including:* presiding over the Executive Council;...
  
   1855-62 and Governor of Queensland
  Governors of Queensland
  The Governor of Queensland is the representative in the state of Queensland of the Queen of Australia. The Governor performs the same constitutional and ceremonial functions at the state level as does the Governor-General of Australia at the national level....
  
  1877-1883