Portal:Australia/Anniversaries/December/December 28
- 1836 – South Australia and Adelaide are founded.
- 1847 – Augustus Short, the first Anglican bishop of Adelaide, South Australia arrives from England.
- 1916 – Floods in Clermont, Queensland claim more than 60 lives.
- 1932 – Test wicket-keeper Jack Blackham dies.
- 1938 – The Sydney Mail ceases publication.
- 1989 – Newcastle is the epicentre of Australia's only significant earthquake, 13 die and 160 are injured.