Portal:Australia/Anniversaries/January/January 3
- 1827 – First boat regatta held on the Derwent River.
- 1840 – The Melbourne newspaper The Herald is founded by George Cavenagh as The Port Phillip Herald.
- 1870 – A state flag of Western Australia is adopted.
- 1886 – Leg break and googly bowler Arthur Mailey is born in Sydney.
- 1900 – Electric lighting is installed on Adelaide streets.