a work in progress
1979-1984: Margaret Thatcher (Conservative)
1979 (Majority) def: James Callaghan (Labour), David Steel (Liberal), Harry West (Ulster Unionist), Ian Paisley (Democratic Unionist), Gwynfor Evans (Plaid Cymru), William Wolfe (Scottish National)
1984-1991: Roy Jenkins (Social Democratic)
1984 (Coalition with Liberals, confidence and supply from Scottish National and Plaid Cymru) def: Margaret Thatcher (Conservative), Michael Foot (Labour), David Steel (Liberal), James Molyneaux (Ulster Unionist), Gordon Wilson (Scottish National), Ian Paisley (Democratic Unionist), Dafydd Wigley (Plaid Cymru)
1988 (Coalition with Liberals) def: Tony Benn (Labour), Michael Heseltine (Conservative), David Steel (Liberal), James Molyneaux (Ulster Unionist), Paul Ekins & Jean Lambert (Green) Gordon Wilson (Scottish National), John Hume (SDLP), Dafydd Elis-Thomas (Plaid Cymru), David Owen (Social Democratic), Ian Paisley (Democratic Unionist)
1991-1992: David Owen (Social Democratic)
1992-2000: Kenneth Clarke (Conservative)
1992 (Minority, confidence and supply from Green and Ulster Unionist) def: David Owen (Social Democratic), Ken Livingstone (Labour), David Steel (Liberal), Jean Lambert & Richard Lawson (Green), James Molyneaux (Ulster Unionist), John Hume (SDLP), Alex Salmond (Scottish National), Dafydd Wigley (Plaid Cymru), Ian Paisley (Democratic Unionist)
1996 (Coalition with Liberals, confidence and supply from Ulster Unionist) def: Gordon Brown (Labour), Alan Beith (Liberal), James Goldsmith (Referendum), Robin Harper & Margaret Wright (Green), David Owen (Social Democratic), Alex Salmond (Scottish National), David Trimble (Ulster Unionist), John Hume (SDLP), Dafydd Wigley (Plaid Cymru), Ian Paisley (Democratic Unionist)
2000-2009: Gordon Brown (Labour)
2000 (Minority, confidence and supply from Social Democrats, Green and Scottish National) def: Kenneth Clarke (Conservative), George Gardiner (Referendum), Paddy Ashdown (Social Democratic), Robin Harper & Caroline Lucas (Green), Menzies Campbell (Liberal), Alex Salmond (Scottish National), David Trimble (Ulster Unionist), John Hume (SDLP), Ieuan Wyn Jones (Plaid Cymru), Ian Paisley (Democratic Unionist), Gerry Adams (Sinn Féin)
2004 (Coalition with Social Democrats and Referendum) def: Nicholas Soames (Conservative), Paddy Ashdown (Social Democratic), Alan Sked (Referendum), Nick Clegg (Liberal), Robin Harper & Caroline Lucas (Green), Alex Salmond (Scottish National), David Trimble (Ulster Unionist), Ian Paisley (Democratic Unionist), Mark Dukran (SDLP), Ieuan Wyn Jones (Plaid Cymru), Gerry Adams (Sinn Féin)
2006 First European Union Membership Referendum: Yes 56.4%, No 43.6%
2006 (Coalition with Social Democrats and Green) def: Nicholas Soames (Conservative), Alan Sked (Referendum), Nick Clegg (Liberal), David Owen (Social Democratic), Caroline Lucas & Derek Wall (Green), John Swinney (Scottish National), Ian Paisley (Democratic Unionist), Gerry Adams (Sinn Féin), David Trimble (Ulster Unionist), Ieuan Wyn Jones (Plaid Cymru)
2009-2010: David Owen (Social Democratic)
2010-2016: Justine Greening (Conservative)
2010 (Coalition with Liberals and Referendum) def: Ed Balls (Labour), Ed Davey (Liberal), Robert Kilroy-Silk (Referendum), Caroline Lucas & Keith Taylor (Green), Vince Cable (Social Democratic), John Swinney (Scottish National), Peter Robinson (Democratic Unionist), Gerry Adams (Sinn Féin), Ieuan Wyn Jones (Plaid Cymru), Robin Swann (Ulster Unionist)
2012 Second European Union Membership Referendum: Yes 51.8%, No 48.2%
2012 (Coalition with Liberals) def: Ed Balls (Labour), Ed Davey (Liberal), George Monbiot & Natalie Bennett (Green), Robert Kilroy-Silk (Referendum), Vince Cable (Social Democratic), Alex Salmond (Scottish National), Peter Robinson (Democratic Unionist), Gerry Adams (Sinn Féin)
2016-pres: Hilary Benn (Labour)
2016 (Coalition with Liberals and Green) def: George Osborne (Conservative), Christine Jardine (Liberal), Molly Scott Cato & Jonathan Bartley (Green), Kate Hoey (Referendum), John Swinney (Scottish National), Norman Lamb (Social Democratic), Nigel Dodds (Democratic Unionist), Gerry Adams (Sinn Féin), Leanne Wood (Plaid Cymru), Mike Nesbitt (Ulster Unionist), Colum Eastwood (SDLP)
2020 (Coalition with Green, Liberals and Social Democratic) def: Alistair Jack (Conservative), Molly Scott Cato & Magid Magid (Green), Tom Brake (Liberal), Mhairi Black (Scottish National), Ann Widdecombe (Referendum), Norman Lamb (Social Democratic), Mary Lou McDonald (Sinn Féin), Ian Paisley Jr (Democratic Unionist), Doug Beattie (Ulster Unionist), Leanne Wood (Plaid Cymru), Colum Eastwood (SDLP)