Portal:Australia/Anniversaries/January/January 20
- 1880 – Andrew George Scott, known as bushranger Captain Moonlite, was hanged in Sydney.
- 1942 – Charles Groves Wright Anderson wins a Victoria Cross at Muar River, Malaya.
- 1944 – 17 people are killed at Brooklyn, New South Wales when a mail train and a bus collide at a level crossing.
- 2003 – Death of John Halfpenny, aged 68, trade union leader.