Commonwealth of Australia was born as dominion of British Empire; territory of federal capital was formed from part of a New South Wales in Year 1911.

United Kingdom 's Statute of the Westminster was in early 1931,which ended in most of constitutional links between UK and Australia . Australia then adopted in 1942, backdated it to beginning of 2 nd World War to confirm validity of the legislation passed by parliament of Australia during war. Shock of United Kingdom 's defeat in Asia and threat of the Japanese invasion also caused Australia to turn in United States as protector and new ally. Since year 1951, country has been formal military ally of US under ANZUS treaty. Australia encourages immigration from Europe , after 2 nd World War.

Since 1970s abolition of White Australia Policy and immigration of Asia was also encouraged. Demography of Australia , self-image and culture has been transformed.

Final constitution between United Kingdom and Australia were served with passing of Australia Act in 1986, with ending British role in government of Australian States, ending judicial appeals to UK Privy Council.


At referendum of 1999, about 54% of voters in Australia rejected proposal to become republic with president who was appointed of Whitlm Government in year 1972, an increasing focus was there on expansion of ties with pacific Rim nations, maintaining close ties having Australia 's traditional allies as well as trading partners.