What date should we celebrate Australia Day?

January 26 - the birth of modern Australia 0%
January 1 - the start of federation in 1901 0%
February 13 - anniversary of the Stolen Generation apology 0%
April 19 - Advance Australia became our national anthem in 1984 0%
June 3 - the High Court's Mabo ruling in 1992 0%
??????? - the day we become a republic (if ever) 0%
Other 0%