United Kingdom: Principal Ministers: 1730-1905

Principal ministers (most important offices shown in brackets; see prefatory note)

Sir Robert Walpole (First Lord of the Treasury 1715-1717, 1721-1742)

Earl of Wilmington (First Lord of the Treasury 1742-1743)

Henry Pelham (First Lord of the Treasury 1743-1754)

Duke of Newcastle (First Lord of the Treasury 1754-1756, 1757-1762)

Earl of Chatham (Secretary of State 1756-1761, Lord Privy Seal 1766-1768)

Duke of Devonshire (First Lord of the Treasury 1756-1757)

Earl of Bute (First Lord of the Treasury 1762-1763)

George Grenville (First Lord of the Treasury 1763-1765)

Marquess of Rockingham (First Lord of the Treasury 1765-1766, 1782)

Duke of Grafton (First Lord of the Treasury 1766-1770)

Lord North (First Lord of the Treasury 1770-1782)

Earl of Shelburne (First Lord of the Treasury 1782-1783)

Duke of Portland (First Lord of the Treasury 1783, 1807-1809)

William Pitt 'the Younger' (First Lord of the Treasury 1783-1801, 1804-1806)

Henry Addington (First Lord of the Treasury 1801-1804)

William Grenville (First Lord of the Treasury 1806-1807)

Spencer Perceval (First Lord of the Treasury 1809-1812)

Earl of Liverpool (First Lord of the Treasury 1812-1827)

George Canning (Foreign Secretary 1807-1809, 1822-1827; First Lord of the Treasury 1827)

Viscount Goderich (First Lord of the Treasury 1827-1828)

Duke of Wellington (First Lord of the Treasury 1828-1830, 1834)

Earl Grey (First Lord of the Treasury 1830-1834)

Viscount Melbourne (First Lord of the Treasury 1834, 1835-1841)

Sir Robert Peel (First Lord of the Treasury 1834-1835, 1841-1846)

Lord John Russell (First Lord of the Treasury 1846-1852, 1865-1866)

Earl of Derby (First Lord of the Treasury 1852, 1858-1859, 1866-1868)

Earl of Aberdeen (First Lord of the Treasury 1852-1855)

Viscount Palmerston (First Lord of the Treasury 1855-1858, 1859-1865)

Benjamin Disraeli (First Lord of the Treasury 1868, 1874-1880)

William Ewart Gladstone (First Lord of the Treasury 1868-1874, 1880-1885, 1886, 1892-1894)

Marquess of Salisbury (Foreign Secretary 1885-1886, 1887-1892, 1895-1900; First Lord of the Treasury 1886-1887; Lord Privy Seal 1900-1902)

Arthur James Balfour (First Lord of the Treasury 1891-1892, 1895-1905)

Earl of Rosebery (First Lord of the Treasury 1894-1895)