Australia: Heads of State: 1901-2024 - Archontology
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Australia: Heads of State: 1901-2024

All Heads of State in the following index are also Heads of State in the United Kingdom of Great Britain and Northern Ireland, and other realms and territories.
By the Grace of God, of the United Kingdom of Great Britain and Ireland Queen, Defender of the Faith, Empress of India
1 Jan 1901 - 22 Jan 1901 Victoria [1]
By the Grace of God, of the United Kingdom of Great Britain and Ireland King, Defender of the Faith, Emperor of India
22 Jan 1901 - 4 Nov 1901 Edward VII
By the Grace of God, of the United Kingdom of Great Britain and Ireland and of the British Dominions beyond the Seas King, Defender of the Faith, Emperor of India
4 Nov 1901 - 6 May 1910 Edward VII 
6 May 1910 - 12 May 1927 George V
By the Grace of God, of Great Britain, Ireland and the British Dominions beyond the Seas King, Defender of the Faith, Emperor of India
12 May 1927 - 20 Jan 1936 George V 
20 Jan 1936 - 11 Dec 1936 Edward VIII
11 Dec 1936 - 22 Jun 1948 George VI
By the Grace of God, of Great Britain, Ireland and the British Dominions beyond the Seas King, Defender of the Faith
22 Jun 1948 - 6 Feb 1952 George VI 
By the Grace of God, of Great Britain, Ireland and the British Dominions beyond the Seas Queen, Defender of the Faith
6 Feb 1952 - 29 May 1953 Elizabeth II
By the Grace of God, of the United Kingdom, Australia and Her other Realms and Territories Queen, Head of the Commonwealth, Defender of the Faith
29 May 1953 - 19 Oct 1973 Elizabeth II 
By the Grace of God Queen of Australia and Her other Realms and Territories, Head of the Commonwealth
19 Oct 1973 - 8 Sep 2022 Elizabeth II 
By the Grace of God, King of Australia and his other Realms and Territories, Head of the Commonwealth
8 Sep 2022 - Charles III

[1] Continues from 20 Jun 1837, when acceded as By the Grace of God, of the United Kingdom of Great Britain and Ireland Queen, Defender of the Faith with no role of Head of State for Australia.