Portal:Australia/Anniversaries/January/January 4
- 1854 – Captain William McDonald aboard the Samarang discovers the McDonald Islands.
- 1982 – Former Prime Minister Sir William McMahon resigns his seat in Parliament.
- 1988 – A prison riot at Fremantle prison causes AUD$1.8 million damage.
- 2006 – Sheikh Maktoum bin Rashid Al Maktoum Vice President, Prime Minister and Ruler of Dubai dies at the Gold Coast of a heart attack.