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The United Kingdom of Great Britain and Ireland

United Kingdom of Great Britain and Ireland Sovereign state ←   ← 1801–1922¹ →   → Flag Coat of arms Motto Dieu et mon droit  (French)² "God and my right" Anthem God Save the King (Queen) Location of United Kingdom Capital London Language(s) English (de facto official). Irish, Scottish Gaelic, Scots, Welsh and Cornish widely spoken in parts. Government Constitutional monarchy Monarch  - 1801–1820 George III  - 1820–1830 George IV  - 1830–1837 William IV  - 1837–1901 Victoria  - 1901–1910 Edward VII  - 1910–1927 (cont. as King of the United Kingdom of Great Britain and Northern Ireland) George V Prime Minister  - 1801, 1804–1806 William Pitt the Younger  - 1924–1927 (In name-cont.) Stanley Baldwin Legislature Parliament  - Upper house House of Lords  - Lower house House of Commons History  - Act of Union 1800 1 January 1801  - Disestablished 6 December 1922  - UK name changed 12 April 1927 Area  - 1801 315,093 km2 (121,658 sq mi) Population  - 1801 est. 16,345,646       Density 51.9 /km2  (134.4 /sq mi)  - 1921 est. 42,769,196       Density 135.7 /km2  (351.6 /sq mi) Currency Pound sterling 1 The Irish Free State seceded from the United Kingdom in 1922 as a result of the Anglo-Irish Treaty, but this fact was not reflected in the long-form name of United Kingdom until the Royal and Parliamentary Titles Act in 1927. The current British state, the United Kingdom of Great Britain and Northern Ireland, is universally accepted to be a direct continuation of the United Kingdom of Great Britain and Ireland, and should not be imagined to be a break from it or a new state formed after it. ² The Royal motto used in Scotland was [Nemo Me Impune Lacessit] (Latin for "No-one provokes me with impunity").