British Prime Ministers, 1721-2005

1721-1742 Robert Walpole (Whig)
1742-1743 Earl of Wilmington (Whig)
1743-1754 Henry Pelham (Whig)
1754-1756 Duke of Newcastle (Whig)
1756-1757 Duke of Devonshire (Whig)
1757-1762 Duke of Newcastle (Whig)
1762-1763 Earl of Bute (Tory)
1763-1765 George Grenville (Whig)
1765-1766 Marquess of Rockingham (Whig)
1766-1770 Duke of Grafton (Whig)
1770-1782 Lord North (Tory)
1782 Marquess of Rockingham (Whig)
1782-1783 Earl of Shelburne (Whig)
1783 Duke of Portland (Coalition)
1783-1801 William Pitt (Tory)
1801-1804 Henry Addington (Tory)
1804-1806 William Pitt (Tory)
1806-1807 Lord Grenville (Whig)
1807-1809 Duke of Portland (Tory)
1809-1812 Spencer Perceval (Tory)
1812-1827 Earl of Liverpool (Tory)
1827 George Canning (Tory)
1827-1828 Viscount Goderich (Tory)
1828-1830 Duke of Wellington (Tory)
1830-1834 Earl Grey (Whig)
1834 Viscount Melbourne (Whig)
1834-1835 Robert Peel (Con)
1835-1841 Viscount Melbourne (Whig)
1841-1846 Robert Peel (Con)
1846-1852 Lord John Russell (Lib)
1852 Earl of Derby (Con)
1852-1855 Lord Aberdeen (Peelite)
1855-1858 Viscount Palmerston (Lib)
1858-1859 Earl of Derby (Con)
1859-1865 Viscount Palmerston (Lib)
1865-1866 Lord John Russell (Lib)
1866-1868 Earl of Derby (Con)
1868  Benjamin Disraeli (Con)
1868-1874 William Ewart Gladstone (Lib)
1874-1880 Benjamin Disraeli (Con)
1880-1885 William Ewart Gladstone (Lib)
1885-1886 Marquess of Salisbury (Con)
1886  William Ewart Gladstone (Lib)
1886-1892 Marquess of Salisbury (Con)
1892-1894 William Ewart Gladstone (Lib)
1894-1895 Earl of Roseberry (Lib)
1895-1902 Marquess of Salisbury (Con)
1902-1905 Arthur James Balfour (Con)
1905-1908 Henry Cambell-Bannerman (Lib)
1908-1915 Herbert Henry Asquith (Lib)
1915-1916 Herbert Henry Asquith (Coalition)
1916-1922 David Lloyd George (Coalition)
1922-1923 Andrew Bonar Law (Con)
1923-1924 Stanley Baldwin (Con)
1924 James Ramsey MacDonald (Lab)
1924-1929 Stanley Baldwin (Con)
1929-1931 James Ramsey MacDonald (Lab)
1931-1935 James Ramsey MacDonald (National coalition)
1935-1937 Stanley Baldwin (National coalition)
1937-1940 Arthur Neville Chamberlain (National coalition)
1940-1945 Winston Churchill (Coalition)
1945-1951 Clement Attlee (Lab)
1951-1955 Winston Churchill (Con)
1955-1957 Anthony Eden (Con)
1957-1963 Harold Macmillan (Con)
1963-1964 Alec Douglas-Home (Con)
1964-1970 Harold Wilson (Lab)
1970-1974 Edward Heath (Con)
1974-1976 Harold Wilson (Lab)
1976-1979 James Callaghan (Lab)
1979-1990 Margaret Thatcher (Con)
1990-1997 John Major (Con)
1997- Tony Blair (Lab)