Portal:Australia/Anniversaries/July/July 31
- 1858 – The first game of Australian rules football is played between Melbourne Grammar School and Scotch College.
- 1902 – Ninety-six men and boys were killed in a coal mine at Mount Kembla in New South Wales.
- 1911 – Thomas Denman, 3rd Baron Denman is appointed the fifth Governor General of Australia.
- 1956 – Actor Ernie Dingo is born in the Murchison region of Western Australia.