Proclamation Day is held on December 28. South Australia, celebration started on the day following Christmas. This event in the third decade of the month december is annual.
Similar holidays and events
Boxing day in Australia on December 26 (also Anguilla, Antigua and Barbuda, Great Britain, New Zealand, Canada, Kiribati, Nauru, Botswana, Ghana, Jamaica);
Take Our Daughters and Sons to Work Day on January 5 (Sydney, Melbourne, and Brisbane);
Australia Day on January 26 (Millions of listeners tune in annually on Australia Day to the Triple J Hottest 100 to find out which song has been voted number one);
Cockroach Racing In Australia on January 26 (The event features 14 different types of races, which also includes a steeple chase race);
Canberra Day on March 14 (Australian Capital Territory; celebrated on the second Monday in March);
Sheelah's Day on March 18 (Ireland, Canada, Australia)