- 1900 – The Sierra Nevada is wrecked off Portsea, Victoria; 23 lives are lost.
- 1901 – The first Parliament of Australia opened in the Royal Exhibition Building in Melbourne.
- 1927 – The federal government moved to Canberra from Melbourne with the opening of the Provisional Parliament House.
- 1980 – Swimmer Grant Hackett is born.
- 1985 – Melbourne criminal Christopher Dale Flannery disappears without trace, presumed murdered.
- 1988 – New Parliament House is opened on Capital Hill by Queen Elizabeth II.
- 1991 – Royal Commission into Aboriginal Deaths in Custody is released.