Prime Ministers of the UK

Robert Walpole

Period: Apr 3, 1721 to Feb 11, 1742

Spencer Compton, 3rd Earl of Wilmington

Period: Feb 16, 1742 to Jul 2, 1743

Henry Pelham

Period: Aug 27, 1743 to Mar 6, 1754

Thomas Pelham-Holles, 1st Duke of Newcastle

Period: Mar 16, 1754 to Nov 11, 1756

William Cavendish, 4th Duke of Devonshire

Period: Nov 16, 1756 to Jun 29, 1757

Thomas Pelham-Holles, 1st Duke of Newcastle

Period: Jun 29, 1757 to May 26, 1762

John Stuart, 3rd Earl of Bute

Period: May 26, 1762 to Apr 8, 1763

George Grenville

Period: Apr 16, 1763 to Jul 10, 1765

Charles Watson-Wentworth, 2nd Marquess of Rockingham

Period: Jul 13, 1765 to Jul 30, 1766

William Pitt the Elder, 1st Earl of Chatham

Period: Jul 30, 1766 to Oct 14, 1768

Augustus Fitzroy, 3rd Duke of Grafton

Period: Oct 14, 1768 to Jan 28, 1770

Frederick North, Lord North

Period: Jan 28, 1770 to Mar 27, 1782

Charles Watson-Wentworth, 2nd Marquess of Rockingham

Period: Mar 27, 1782 to Jul 1, 1782

William Petty, 2nd Earl of Shelburne

Period: Jul 4, 1782 to Mar 26, 1783

William Cavendish-Bentinck, 3rd Duke of Portland

Period: Apr 2, 1783 to Dec 18, 1783

William Pitt the Younger

Period: Dec 19, 1783 to Mar 14, 1801

Henry Addington

Period: Mar 17, 1801 to May 10, 1804

William Pitt the Younger

Period: May 10, 1804 to Jan 23, 1806

William Grenville, 1st Baron Grenville

Period: Feb 11, 1806 to Mar 25, 1807

William Cavendish-Bentinck, 3rd Duke of Portland

Period: Mar 31, 1807 to Oct 4, 1809

Spencer Compton

Period: Oct 4, 1809 to May 11, 1812

Robert Jenkinson, 2nd Earl of Liverpool

Period: Jun 8, 1812 to Apr 9, 1827

George Canning

Period: Apr 12, 1827 to Aug 8, 1827

Frederick John Robinson, 1st Viscount Goderich

Period: Aug 31, 1827 to Jan 8, 1828

Arthur Wellesley, 1st Duke of Wellington

Period: Jan 22, 1828 to Nov 16, 1830

Charles Grey, 2nd Earl Grey

Period: Nov 22, 1830 to Jul 9, 1834

William Lamb, 2nd Viscount Melbourne

Period: Jul 22, 1834 to Nov 14, 1834

Arthur Wellesley, 1st Duke of Wellington

Period: Nov 17, 1834 to Dec 9, 1834

Robert Peel

Period: Dec 10, 1834 to Apr 8, 1835

William Lamb, 2nd Viscount Melbourne

Period: Apr 18, 1835 to Aug 30, 1841

Robert Peel

Period: Aug 31, 1841 to Jun 29, 1846

John Russell

Period: Jun 30, 1846 to Feb 21, 1852

Edward Smith-Stanley, 14th Earl of Derby

Period: Feb 23, 1852 to Dec 17, 1852

George Hamilton-Gordon, 4th Earl of Aberdeen

Period: Dec 19, 1852 to Jan 30, 1855

Henry John Temple, 3rd Viscount Palmerston

Period: Feb 6, 1855 to Feb 19, 1858

Edward Smith-Stanley, 14th Earl of Derby

Period: Feb 20, 1858 to Jun 11, 1859

Henry John Temple, 3rd Viscount Palmerston

Period: Jun 12, 1859 to Oct 18, 1865

John Russell, 1st Earl Russell

Period: Oct 29, 1865 to Jun 26, 1866

Edward Smith-Stanley, 14th Earl of Derby

Period: Jun 28, 1866 to Feb 25, 1868

Benjamin Disraeli

Period: Feb 27, 1868 to Dec 1, 1868

William Ewart Gladstone

Period: Dec 3, 1868 to Feb 17, 1874

Benjamin Disraeli, Earl of Beaconsfield

Period: Feb 20, 1874 to Apr 21, 1880

William Ewart Gladstone

Period: Apr 23, 1880 to Jun 9, 1885

Robert Gascoyne-Cecil, 3rd Marquess of Salisbury

Period: Jun 23, 1885 to Jan 28, 1886

William Ewart Gladstone

Period: Feb 1, 1886 to Jun 20, 1886

Robert Gascoyne-Cecil, 3rd Marquess of Salisbury

Period: Jul 25, 1886 to Aug 11, 1892

William Ewart Gladstone

Period: Aug 15, 1892 to Mar 2, 1894

Archibald Primrose, 5th Earl of Rosebery

Period: Mar 5, 1894 to Jun 22, 1895

Robert Gascoyne-Cecil, 3rd Marquess of Salisbury

Period: Jun 25, 1895 to Jul 11, 1902

Arthur Balfour

Period: Jul 12, 1902 to Dec 4, 1905

Henry Campbell-Bannnerman

Period: Dec 5, 1905 to Apr 3, 1908

H.H. Asquith

Period: Apr 8, 1908 to Dec 5, 1916

David Lloyd George

Period: Dec 6, 1916 to Oct 19, 1922

Bonar Law

Period: Oct 23, 1922 to May 20, 1923

Stanley Baldwin

Period: May 22, 1923 to Jan 22, 1924

Ramsay Macdonald

Period: Jan 22, 1924 to Nov 4, 1924

Stanley Baldwin

Period: Nov 4, 1924 to Jun 4, 1929

Ramsay Macdonald

Period: Jun 5, 1929 to Jun 7, 1935

Stanley Baldwin

Period: Jun 7, 1935 to May 28, 1937

Neville Chamberlain

Period: May 28, 1937 to May 10, 1940

Winston Churchill

Period: May 10, 1940 to Jul 26, 1945

Clement Attlee

Period: Jul 26, 1945 to Oct 26, 1951

Winston Churchill

Period: Oct 26, 1951 to Apr 5, 1955

Anthony Eden

Period: Apr 6, 1955 to Jan 9, 1957

Harold Macmillan

Period: Jan 10, 1957 to Oct 18, 1963

Alec Douglas-Home

Period: Oct 18, 1963 to Oct 16, 1964

Harold Wilson

Period: Oct 16, 1964 to Jun 19, 1970

Edward Heath

Period: Jun 19, 1970 to Mar 4, 1974

Harold Wilson

Period: Mar 4, 1974 to Apr 5, 1976

James Callaghan

Period: Apr 5, 1976 to May 4, 1979

Margaret Thatcher

Period: May 4, 1979 to Nov 28, 1990

John Major

Period: Nov 28, 1990 to May 2, 1997

Tony Blair

Period: May 2, 1997 to Jun 27, 2007

Gordon Brown

Period: Jun 27, 2007 to May 11, 2010

David Cameron

Period: May 11, 2010 to Jul 13, 2016

Theresa May

Period: Jul 13, 2016 to Jul 24, 2019

Boris Johnson

Period: Jul 24, 2019 to Sep 6, 2022

Liz Truss

Period: Sep 6, 2022 to Oct 25, 2022

Became PM after winning the Sep 2022 Conservative Party leadership election after Johnson's resignation due to several scandals.
She herself resigned just over a month later due to the economic crash caused by her Mini-budget, making her the shortest serving undisputed prime minister, and triggering another leadership election.

Rishi Sunak

Period: Oct 25, 2022 to Jul 5, 2024

Became PM after winning the Oct 2024 Conservative Party leadership election, following Liz Truss's resignation.
Notable for planning to send illegal migrants to Rwanda as a deterrent, attempting to scrap A-levels, ban smoking among other things.
Was defeated in the 2024 General Election by Labour leader Keir Starmer, who became PM.