Social Democratic party
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Social Democratic party(SDP), former British political party founded in 1981 to offer a centrist alternative to the more extreme positions of the then ruling Conservative partyConservative party,
British political party, formally the Conservative and Unionist party and a continuation of the historic Tory party. The Rise of the Conservative Party
..... Click the link for more information. on the right and the opposition Labour partyLabour party,
British political party, one of the two dominant parties in Great Britain since World War I. Origins
The Labour party was founded in 1900 after several generations of preparatory trade union politics made possible by the Reform Bills of 1867 and 1884,
..... Click the link for more information. on the left. The SDP began with the defection of 12 Labour members of Parliament who opposed their party's leftward drift. The party joined in an electoral alliance with the Liberal partyLiberal party,
former British political party, the dominant political party in Great Britain for much of the period from the mid-1800s to World War I. Origins
..... Click the link for more information. in 1981 and merged with the Liberals in 1988 to form the Social and Liberal Democratic party, now the Liberal DemocratsLiberal Democrats,
British political party created in 1988 by the merger of the Liberal party with the Social Democratic party; the party was initially called the Social and Liberal Democratic party.
..... Click the link for more information. . Some SDP members re-formed the party in 1988, but they disbanded in 1990.
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