1900: The constitution is passed by the Parliament of the United Kingdom as a schedule to the Commonwealth of Australia Constitution Act, and is given royal assent.
2
1901
1901: Australia becomes a federation on 1 January. Edmund Barton becomes Prime Minister; the 7th Earl of Hopetoun becomes Governor-General.
1901: The Australian National Flag was flown for the first time.
1899 - 1901 (2 years)