Monarch of the UK
Victoria (1837-1872) [1]
Albert I (1872-1910)
Albert II (1910-1927)
George V (1927-1930) [2]
Albert III (1930-1941) [3]
Prince Regent David, Duke of York and Ross (Acting 1941-1950)
Mary III (1941-1992) [4]
William V (1992-Present)
[1] Assassinated by Republicans, succeeded by her eldest son.
[2] Abdicated to marry Princess Françoise d'Orléans, succeeded by his brother.
[3] Killed during the London Blitz, led to the fall of the Davidson government, succeeded by his eldest daughter, brother recalled from active service to act as regent.
[4] Abdicated due to ill health and age.
Prime Minister of the UK
1868-1872: William Ewart Gladstone (Liberal)
1868 (Majority) def. Benjamin Disraeli (Conservative)
1872-1881: Benjamin Disraeli (Conservative)†
1872 (Majority) def. W.E. Gladstone (Liberal), Isaac Butt (Home Rule)
1878 (Majority) def. Spencer Cavendish, Marquess of Hartington (Liberal), Isaac Butt (Home Rule)
1881-1882: Stafford Northcote (Conservative)
1882-1890: William Ewart Gladstone (Liberal)
1882 (Majority) def. Stafford Northcote (Conservative), Charles Stewart Parnell (Irish Parliamentary Party)
1888* (Minority, S&C from IPP) def. Robert Gascoyne-Cecil, Marquess of Salisbury (Conservative), Joseph Chamberlain (Liberal Unionist), Charles Stewart Parnell (Irish Parliamentary Party)
1890-1891: William Harcourt (Liberal)
1891-1902: Robert Gascoyne-Cecil, Marquess of Salisbury (Conservative)
1891 (Majority) def. William Harcourt (Liberal), John Redmond (IPP), Joseph Chamberlain (Liberal Unionist)
1897 (Majority, with Liberal Unionist) def. Henry Campbell-Bannerman (Liberal), John Redmond (IPP), Joseph Chamberlain (Liberal Unionist), Kier Hardie (Independent Labour Party), H.M. Hyndman (Social Democratic Federation)
1902-1908: Lord Randolph Churchill (Conservative)
1903 (Minority) def. Henry Campbell-Bannerman (Liberal), John Redmond (IPP), Kier Hardie (Labour Representation Committee)
1908-1916: Archibald Primrose, Earl of Rosebery (Liberal, later leading Wartime Coalition)
1908 (Majority) def. Lord Randolph Churchill (Conservative), John Redmond (IPP), Arthur Henderson (Labour Party)
1914 (Minority) def. Gerald Balfour (Conservative Party), John Redmond (IPP), Ramsay MacDonald (Labour), Walter Long (Irish Unionist Party)
1915 (National Coalition) def. Gerald Balfour (Conservative Party), John Redmond (IPP), Arthur Henderson (Labour), Walter Long (Irish Unionist Party)
1916-1924: J.E.B. Seely (Liberal, later Coupon Liberal, later National)
1916 (Wartime Coalition) def. Gerald Balfour (Conservative Party), John Redmond (IPP), Arthur Henderson (Labour), Walter Long (Irish Unionist Party)
1918 (Coalition) def. Austen Chamberlain (Coupon Conservatives), David Lloyd George (Independent Liberals), John Redmond (IPP), Eric Geddes (Independent Conservatives), Arthur Henderson (Labour), Walter Long (Irish Unionist Party)
1922 (Majority) def. J.R. Clynes (Labour), Eric Geddes (Continuation Conservative Party), Michael Collins (IPP), David Lloyd George (Continuation Liberal Party), Walter Long (Irish Unionist Party), Arthur Griffith (Irish Liberation Party)
1924-1926: Austen Chamberlain (National)
1926-1930 J.R. Clynes (Labour)
1926 (Minority, Liberal & IPP supply and confidence) def. Austen Chamberlain (National), David Lloyd George (Liberal), Edward Carson (British Unionist Party), Michael Collins (IPP), Arthur Griffith (ILP)
1930-1936: Winston Churchill (National)
1930 (Majority) def. J.R. Clynes (Labour), David Lloyd George (Liberal), Harry Pollitt (CPGB), Neil Francis Hawkins (British Fascists)
1935 (Majority) def. Herbert Morrison (Labour), William Wedgwood Benn (Liberal), Stafford Cripps (Popular Party), Harry Pollitt (CPGB), Neil Francis Hawkins (British Fascists)
1936-1941: J.C.C. Davidson (National)
1940 (Wartime Government) def. Christopher Addison (Progressive Party), Stafford Cripps (Popular), Harry Pollitt (CPGB)
1941-1949: Oliver Lyttelton (National)
1941 (Wartime Government) def. Christopher Addison (Progressive Party), Stafford Cripps (Popular), Harry Pollitt (CPGB)
1945 (Majority) def. Christopher Addison (Progressive Party), Stafford Cripps (Popular), Harry Pollitt (CPGB)
1949-1956: Hugh Dalton (Progressive)
1949 (Majority) def. Oliver Lyttelton (National), Stafford Cripps (Popular)
1953 (Majority) def. Selwyn Lloyd (National), Aneurin Bevan (Popular)
1955 (Minority, Popular supply & confidence) def. Selwyn Lloyd (National), Aneurin Bevan (Popular)
1956-1964: R.A. Butler (National)
1956 (Majority) def. Hugh Dalton (Progressive), Aneurin Bevan (Popular)
1960 (Majority) def. Megan Lloyd George (Progressive), Richard Crossman (Popular)
1964-1966: Duncan Sandys (National)
1964 (Minority) def. Megan Lloyd George (Progressive), Richard Crossman (Popular)
1966-1971: Douglas Jay (Progressive)
1966 (Majority) def. Duncan Sandys (National), Richard Crossman (Popular), Enoch Powell (New Tory)
1970 (Majority) def. Reginald Maudling (National), Enoch Powell (New Tory), Richard Crossman (Popular), Edward Heath (Centre Party)
1971-1974: Denis Healy (Progressive)
1974-1980: Maurice Macmillan (National)
1974 (Minority) def. Denis Healy (Progressive), Edward Heath (Centre), Enoch Powell (New Tory), Michael Foot (Popular)
1975 (Coalition, with Centre) def. Denis Healy (Progressive), Edward Heath (Centre), Enoch Powell (New Tory), Michael Foot (Popular)
1980-1987: Denis Healy (Progressive)
1980 (Majority) def. Maurice Macmillan (National), Edward Heath (Centre), Michael Foot (Popular), Enoch Powell (New Tory)
1985 (Majority) def. Edward Heath (Centre), Michael Heseltine (National), Tony Benn (Popular)
1987-1990: Denzil Davies (Progressive)
1990-????: Menzies Campbell (Centre)
1990 (Minority) def. Denzil Davies (Progressive), Norman Tebbit/Malcolm Rifkind (Tory-National Alliance)