Scottish Labour Party (1976) MP for South Ayrshire, John Robertson, then MP for Paisley and Alex Neil, the UK Labour Party's senior Scottish researcher. The split came just before the resignation of Harold Wilson as prime minister and party leader and the election of James Callaghan as his successor. By 1979 the Scottish Labour Party had lost its seats in the House of Commons, and in 1981 it was formally disbanded. Almost immediately the SLP became the focus for entryism from the International Marxist Group (IMG), and at the party's first congress in October 1976 the IMG was expelled, along with a number of
Labour Party (Ireland) resignation as party leader. In 1997 Ruairi Quinn became the new Labour Party leader. Following negotiations in 1999 the Labour Party merged with Democratic Left, keeping the name of the larger partner. This had been previously opposed by the former leader Dick Spring. Members of Democratic Left in Northern Ireland were invited to join the Irish Labour Party but not permitted to organise. This left Gerry Cullen, their councillor in Dungannon Borough Council, in a state of limbo; he had been elected for a party he could no longer seek election for. The launch was held in the Pillar Room