United Kingdom of Great Britain and Ireland
Name changed to United Kingdom of Great Britain and Northern Ireland in 1927
- Ruling Houses
-
House of Hanover
1801-1901 -
House of Windsor
1901-2022 -
- Constituent Countries
-
-
-
Wales
Since 1998 -
Ireland
Until 1921 -
Northern Ireland
Since 1921
- Crown dependencies
-
Bailiwick of Guernsey
-
Bailiwick of Jersey
-
Isle of Mann
- Overseas Territories and Colonies
-
Anguilla
-
Dominion of Australia
Nominally until 1986 -
British Indian Ocean Territory
-
Dominion of Canada
Nominally until 1982 -
-
Colony of Jamaica
Until 1962 -
Colony of Malta
Until 1964 -
Dominion of New Zealand
Nominally until 1986 -
Dominion of Newfoundland
Until 1949 -
Crown Colony of Sarawak
1946–1963 -
Dominion of South Africa
Nominally until 1961 -
Federal Colony of the Windward Islands
Until 1958
- Prime Ministers
-
Robert Walpole
1721–1742 -
Spencer Compton, 1st Earl of Wilmington
1742–1743 -
Henry Pelham
1743–1754 -
Thomas Pelham-Holles, 1st Duke of Newcastle
1754–1756 and 1757–1762 -
William Cavendish, 4th Duke of Devonshire
1756–1757 -
John Stuart, 3rd Earl of Bute
1762–1763 -
George Grenville
1763–1765 -
William Pitt, 1st Earl of Chatham
1766-1768 -
Augustus FitzRoy, 3rd Duke of Grafton
1768–1770 -
Frederick North, 2nd Earl of Guilford
1770–1782 -
Charles Watson-Wentworth, 2nd Marquess of Rockingham
1782 -
William Petty, 2nd Earl of Shelburne
1782-1783 -
William Cavendish-Bentinck, 3rd Duke of Portland
1783 and 1807–1809 -
William Pitt the Younger
1783–1801 and 1804–1806 -
Henry Addington, 1st Viscount Sidmouth
1801–1804 -
William Grenville, 1st Baron Grenville
1806-1807 -
Spencer Perceval
1809–1812 -
Robert Jenkinson, 2nd Earl of Liverpool
1812–1827 -
George Canning
1827 -
Frederick Robinson, 1st Viscount Goderich
1827-1828 -
Arthur Wellesley, 1st Duke of Wellington
1828–1830 and 1834 -
Charles Grey, 2nd Earl Grey
1830–1834 -
William Lamb, 2nd Viscount Melbourne
1834 and 1835–1841 -
Robert Peel, 2nd Baronet
1834–1835 and 1841–1846 -
John Russell, 1st Earl Russell
1846–1852 and 1865–1866 -
Edward Smith-Stanley, 14th Earl of Derby
1852, 1858–1859 and 1866–1868 -
George Hamilton-Gordon, 4th Earl of Aberdeen
1852–1855 -
Henry John Temple, 3rd Viscount Palmerston
1855–1858 and 1859–1865 -
Benjamin Disraeli, 1st Earl of Beaconsfield
1868 and 1874–1880 -
William Ewart Gladstone
1868–1874, 1880–1885, 1886 and 1892-1894 -
Robert Gascoyne-Cecil, 3rd Marquess of Salisbury
1885–1886, 1886–1892 and 1895–1902 -
Archibald Primrose, 5th Earl of Rosebery
1894–1895 -
Arthur Balfour
1902–1905 -
Henry Campbell-Bannerman
1905–1908 -
Herbert Henry Asquith
1908–1916 -
David Lloyd George
1916–1922 -
Bonar Law
1922–1923 -
Stanley Baldwin
1923–1924, 1924–1929 and 1935–1937 -
Ramsay MacDonald
1924 and 1929–1935 -
Neville Chamberlain
1937–1940 -
Winston Churchill
1940–1945 and 1951–1955 -
Clement Attlee
1945–1951 -
Anthony Eden
1955–1957 -
Harold MacMillan
1957–1963 -
Sir Alec Douglas-Home
1963–1964 -
Harold Wilson
1964–1970 and 1974–1976 -
Edward Heath
1970–1974 -
James Callaghan
1976–1979 -
Margaret Thatcher
1979–1990 -
John Major
1990–1997 -
Tony Blair
1997–2007 -
Gordon Brown
2007–2010 -
David Cameron
2010–2016 -
Theresa May
2016–2019
The arms of Philip John May, borne by Theresa May de jure matrimonii -
Boris Johnson
2019–2022 -
Liz Truss
2022–2022 -
Rishi Sunak
2022–2024 -
Keir Starmer
2024–
