National & state flag
Ratio 1:2 | Adopted 22 May 1909
National & state flag
Ratio 1:2 | Adopted 22 May 1909
Co-national flag
Ratio 2:3 | Adopted 12 September 1971 & 14 July 1995
Commonwealth of Australia
Independent state in Australasia (Oceania).
New South Wales a United Kingdom colony 26 January 1788. British colonies
united as the Commonwealth of Australia 1 January 1901.
Civil ensign
Ratio 1:2 | Adopted 4 June 1903
Governor-general's flag
Ratio 1:2 | Adopted 16 July 1936
Naval ensign
Ratio 1:2 | Adopted 1 March 1967
National flag
Ratio 1:2 | Adopted 4 June 1903 to 22 May 1909
| Australian Capital Territory |  |
| Heard and McDonald Islands |  |
| New South Wales |  |
| Northern Territory |  |
| Queensland |  |
| South Australia |  |
| Tasmania |  |
| Victoria |  |
| Western Australia |  |
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