When first colonised by Britain, the portion claimed by Captain James Cook for England was called New South Wales.
The western half of the continent was known as New Holland, as it had originally been "discovered" by the Dutch.
The British Empire
Because Australia was a part of the British Empire. Because Australia was a part of the British Empire
British Empire
The British Empire once controlled North America, India and Australia. Many other nations were also part of the British Empire.
They were once all part of the British empire
They were once all part of the British empire
The British Empire.
Mexico qualifies as such. It was part of the Spanish Empire from 1521 to 1821.
Australia was part of the British Empire, so as Canada, New Zealand and South Africa.
Uganda.
As part of the British Empire Australia joined WW1 with the rest of the UK
they were part of the Empire.