- 1823 – Richmond Bridge was opened, it is the oldest bridge in Australia still in use.
- 1958 – The ICI House opens in Melbourne, the tallest building in Australia at the time.
- 1990 – John Fairfax Holdings is placed into receivership.
- 1990 – Christine Woolgar and Noel Hayman graduated from the University of Queensland, to become the state's first Aboriginal doctors.
- 1993 – Dean Brown and the Liberal Party win the South Australian elections, winning government from Lynn Arnold and the ALP.
- 2005 – The Cronulla riots take place.