Deputy Leader of the Liberal Party 1929-31, Leader of the Liberal Party 1931-35, Leader of the Liberals in the House of Lords 1944-55
Under-Secretary of State at the Home Office 1905-09, Chancellor of the Duchy of Lancaster 1909-10, 1915-16, Postmaster General 1910-14, 1915-16, President of the Local Goverment Board 1914-15, Home Secretary 1916, 1931-32
Whig MP for Tavistock 1813-20, Huntingdonshire 1820-26, Bandon 1826-30, Devonshire 1831-32, Devon, Southern 1832-35, Stroud 1835-41, City of London 1847-61
Paymaster of the Forces 1830-34, Home Secretary 1835-39, Secretary of State for War and the Colonies 1839-41, Prime Minister 1846-52, 1865-66, Foreign Secretary 1852-53, 1859-65, Lord President of the Council 1854-55, Colonial Secretary 1855
Tory MP for Newport, Isle of Wight 1807-11, Cambridge University 1811-30, Whig (later Liberal) MP for Cambridge University 1830-31, Bletchingly 1831-32, Hampshire South 1832-35, Tiverton 1835-65
Leader of the Whig/Liberal Party 1855-65
Secretary at War 1809-28, Foreign Secretary 1830-34, 1835-41 & 1846-51, Home Secretary 1852-55, Prime Minister 1855-58 & 1859-65
Labour MP for Caithness and Sutherland 1966-81, SDP MP for Caithness and Sutherland 1981-1988, Liberal Democrat MP for Caithness and Sutherland 1988-97, Caithness Sutherland & Easter Ross 1997-2001
Tory MP for Newark 1832-45; Peelite MP for Oxford University 1847-65; Liberal MP for South Lancashire 1865-68, Greenwich 1868-80, Midlothian 1880-95
Leader of the Liberal Party 1866-75, 1880-94
President of the Board of Trade 1841-43, Secretary of State for War and the Colonies 1845-46, Chancellor of the Exchequer 1852-55, 1859-66, 1873-74, 1880-82, Prime Minister 1868-74, 1880-85, 1886, 1892-4