The 1983 United Kingdom general election was held on Thursday 9 June 1983. It gave the Conservative Party under the leadership of Margaret Thatcher the most decisive election victory since that of the Labour Party in 1945, with a majority of 144 seats and the first of two consecutive landslide victories.
The 1999 Eddisbury by-election was a parliamentary by-election held on 22 July 1999 for the British House of Commons constituency of Eddisbury in Cheshire.
Islington North is a constituency in Greater London represented in the House of Commons of the UK Parliament since 1983 by Jeremy Corbyn, who was Leader of the Labour Party and Leader of the Opposition from 2015 to 2020.
The 1987 Greenwich by-election was a by-election to the British House of Commons held on 26 February 1987, shortly before the 1987 general election. The election was caused by the death of Guy Barnett, Labour Party Member of Parliament for Greenwich on 24 December 1986.
The 1980 Glasgow Central by-election was a by-election held on 26 June 1980 for the British House of Commons constituency of Glasgow Central, following the death of its sitting MP, Thomas McMillan.
Oswald O'Brien was a British and European Labour Co-operative politician. He was one of the shortest serving Members of Parliament of modern times, serving just seven weeks and one day.
The 1982 Beaconsfield by-election was a parliamentary by-election held on 27 May 1982 for the British House of Commons constituency of Beaconsfield in Buckinghamshire.
Two Bootle by-elections were held during 1990, for the House of Commons constituency of Bootle in Merseyside.
The 1985 Brecon and Radnor by-election was a parliamentary by-election held on 4 July 1985 for the House of Commons constituency of Brecon and Radnor.
The 1926 Darlington by-election was a by-election held on 17 February 1926 for the British House of Commons constituency of Darlington in County Durham.
The Portsmouth South by-election was held on 14 June 1984, following the death of Bonner Pink, the Conservative MP for Portsmouth South.
The 1986 Knowsley North by-election was a parliamentary by-election held on 13 November 1986 for the British House of Commons constituency of Knowsley North.
The 1986 Newcastle-under-Lyme by-election was a parliamentary by-election held on 17 July 1986 for the House of Commons constituency of Newcastle-under-Lyme.
The 1985 Tyne Bridge by-election was a parliamentary by-election held on 5 December 1985 for the British House of Commons constituency of Tyne Bridge.
The 1984 Stafford by-election was a parliamentary by-election held on 3 May 1984 for the British House of Commons constituency of Stafford.
The 1984 Cynon Valley by-election was a parliamentary by-election held on 3 May 1984 for the British House of Commons constituency of Cynon Valley.
The Glasgow Queen's Park by-election, 1982 was a parliamentary by-election held on 2 December 1982 for the House of Commons constituency of Glasgow Queen's Park.
The 1982 Coatbridge and Airdrie by-election was a parliamentary by-election held on 24 June 1982 for the British House of Commons constituency of Coatbridge and Airdrie.
The 1973 Chester-le-Street by-election was a parliamentary by-election held for the British House of Commons constituency of Chester-le-Street on 1 March 1973.
The Social Democratic Party (SDP) was a centrist to centre-left political party in the United Kingdom. The party supported a mixed economy, electoral reform, European integration and a decentralised state while rejecting the possibility of trade unions being overly influential within the industrial sphere. The SDP officially advocated social democracy, but its actual propensity is evaluated as close to social liberalism.
