Country Leaders

David Lloyd George - UK PM

Period: Dec 1, 1916 to Oct 1, 1922

Unionist Party

Stalin

Period: Apr 1, 1922 to Mar 1, 1953

Bonar Law - UK PM

Period: Oct 1, 1922 to May 1, 1923

Conservative Party

Stanley Baldwin - UK PM

Period: May 1, 1923 to Jan 1, 1924

Conservative Party

Ramsay MacDonald - UK PM

Period: Jan 1, 1924 to Nov 1, 1924

Labour Party

Stanley Baldwin - UK PM

Period: Nov 1, 1924 to Jun 1, 1929

Conservative Party

Ramsay MacDonald - UK PM

Period: Jun 1, 1929 to Jun 1, 1935

Labour Party

Stanley Baldwin - UK PM

Period: Jun 1, 1935 to May 1, 1937

Conservative Party

Neville Chamberlain - UK PM

Period: May 1, 1937 to May 1, 1940

Conservative Party

Winston Churchill - UK PM

Period: May 1, 1940 to Jul 1, 1945

Conservative Party

Clement Attlee - UK PM

Period: Jul 1, 1945 to Oct 1, 1951

Labour Party

Winston Churchill - UK PM

Period: Oct 1, 1951 to Apr 1, 1955

Conservative Party

Krushchev

Period: Sep 1, 1953 to Oct 1, 1964

Robert Edan - UK PM

Period: Apr 1, 1955 to Jan 1, 1957

Conservative Party

Harold MacMillan

Period: Jan 1, 1957 to Oct 1, 1963

Conservative Party

Alexander Douglas-Home - UK PM

Period: Oct 1, 1963 to Oct 1, 1964

Conservative Party

Brezhnev

Period: Oct 1, 1964 to Nov 1, 1982

James Harold Wilson - UK PM

Period: Oct 1, 1964 to Jun 1, 1970

Labour Party

Edward Heath - UK PM

Period: Jun 1, 1970 to Mar 1, 1974

Conservative

James Harold Wilson - UK PM

Period: Mar 1, 1974 to Apr 1, 1976

Labour Party

James Callaghan - UK PM

Period: Apr 1, 1976 to May 1, 1979

Labour Party

Margaret Thatcher - UK PM

Period: May 1, 1979 to Nov 1, 1990

Conservative

Andropov

Period: Nov 1, 1982 to Feb 1, 1984

Chernenko

Period: Feb 1, 1984 to Mar 1, 1985

Gorbachev

Period: Mar 1, 1985 to Aug 1, 1991

John Mayor - UK PM

Period: Nov 1, 1990 to May 1, 1997

Conservative Party

Yeltsin

Period: Aug 1, 1991 to Dec 1, 1999

Tony Blair - UK PM

Period: May 1, 1997 to Jun 1, 2007

Labour Party

Putin

Period: May 1, 2000 to May 1, 2008

Gordon Brown - UK PM

Period: Jun 1, 2007 to May 1, 2010

Labour Party

Medvedev

Period: May 1, 2008 to May 1, 2012

David Cameron - UK PM

Period: May 1, 2010 to Dec 1, 2012

Conservative Party