- 1788 – Lord Howe Island was discovered by HMS Supply.
- 1882 – The first cricket Test match at the Sydney Cricket Ground begins.
- 2002 – Allegations are aired that Governor-General of Australia Peter Hollingworth, as Archbishop of Brisbane, had in the early 1990s attempted to cover up several instances of sexual abuse.
- 2003 – Hundreds of thousands of protestors join millions more in other cities around the world in protesting the Iraq War. These are the biggest street protests seen since the Vietnam War.