List of Prime Ministers of Great Britain

Related article: Great Britain Great Britain,
officially United Kingdom of Great Britain and Northern Ireland, constitutional monarchy (2015 est. pop. 65,397,000), 94,226 sq mi (244,044 sq km), on the British Isles, off W Europe. The country is often referred to simply as Britain.
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Prime Ministers of Great Britain
Prime Minister Party1 Dates in Office
Sir Robert Walpole   1721–42
Earl of Wilmington   1742–43
Henry Pelham   1743–54
Duke of Newcastle   1754–56
Duke of Devonshire   1756–57
Duke of Newcastle   1757–62
Earl of Bute   1762–63
George Grenville   1763–65
Marquess of Rockingham   1765–66
William Pitt the Elder (earl of Chatham)   1766–68
Duke of Grafton   1768–70
Lord North   1770–82
Marquess of Rockingham   1782
Earl of Shelburne   1782–83
Duke of Portland   1783
William Pitt the Younger Tory 1783–1801
Henry Addington (later Viscount Sidmouth) Tory 1801–4
William Pitt the Younger Tory 1804–6
Baron Grenville Whig 1806–7
Duke of Portland Tory 1807–9
Spencer Perceval Tory 1809–12
Earl of Liverpool Tory 1812–27
George Canning Tory 1827
Viscount Goderich (later earl of Ripon) Tory 1827–28
Duke of Wellington Tory 1828–30
Earl Grey Whig 1830–34
Viscount Melbourne Whig 1834
Sir Robert Peel Tory 1834–35
Viscount Melbourne Whig 1835–41
Sir Robert Peel Conservative 1841–46
Lord John Russell (later Earl Russell) Whig 1846–52
Earl of Derby Conservative 1852
Earl of Aberdeen Peelite Conservative 1852–55
Viscount Palmerston Liberal 1855–58
Earl of Derby Conservative 1858–59
Viscount Palmerson Liberal 1859–65
Earl Russell Liberal 1865–66
Earl of Derby Conservative 1866–68
Benjamin Disraeli Conservative 1868
William Gladstone Liberal 1868–74
Benjamin Disraeli Conservative 1874–80
William Gladstone Liberal 1880–85
Marquess of Salisbury Conservative 1885–86
William Gladstone Liberal 1886
Marquess of Salisbury Conservative 1886–92
William Gladstone Liberal 1892–94
Earl of Rosebery Liberal 1894–95
Marquess of Salisbury Conservative 1895–1902
Arthur Balfour Conservative 1902–5
Sir Henry Campbell-Bannerman Liberal 1905–8
Herbert Asquith Liberal 1908–15
Herbert Asquith Coalition 1915–16
David Lloyd George Coalition 1916–22
Andrew Bonar Law Conservative 1922–23
Stanley Baldwin Conservative 1923–24
Ramsay MacDonald Labour 1924
Stanley Baldwin Conservative 1924–29
Ramsay MacDonald Labour 1929–31
Ramsay MacDonald National (Coalition) 1931–35
Stanley Baldwin National 1935–37
Neville Chamberlain National 1937–40
Winston Churchill Coalition 1940–45
Clement Attlee Labour 1945–51
Sir Winston Churchill Conservative 1951–55
Sir Anthony Eden Conservative 1955–57
Harold Macmillan Conservative 1957–63
Sir Alec Douglas-Home Conservative 1963–64
Harold Wilson Labour 1964–70
Edward Heath Conservative 1970–74
Harold Wilson Labour 1974–76
James Callaghan Labour 1976–79
Margaret Thatcher Conservative 1979–90
John Major Conservative 1990–97
Tony Blair Labour 1997–2007
Gordon Brown Labour 2007–10
David Cameron Coalition 2010–15
David Cameron Conservative 2015–16
Theresa May Conservative 2016–
1 The modern party system did not evolve until the end of the 18th cent.