Portal:Australia/Anniversaries/December/December 6
- 1882 – A rare Transit of Venus across the disc of the Sun is visible from Australia, and many scientific parties arrive from around the world to observe and record the event.
- 1956 – Blood in the Water water polo match between Hungary and the USSR at the 1956 Melbourne Olympics.
- 1979 – Tim Cahill, midfield football (soccer) player for the Australia national team and Everton F.C. is born in Sydney.
- 2002 – The Australian Government announces a hand gun buy-back following the Monash University shooting.