International Socialist Group may refer to:
The International Socialist Group (ISG) was a Trotskyist organisation in Britain. It was the British section of the Fourth International (FI) until July 2009 when it dissolved into Socialist Resistance.
The International Socialist Group was a revolutionary socialist organisation based in Scotland which was formed in April 2011 by former members of the Socialist Workers Party. The group produced a free monthly broadsheet and online blog, Communiqué. The ISG participated in a number of campaigns, such as the Coalition of Resistance, Stop the War Coalition and the Radical Independence Campaign. In 2015 the ISG formally dissolved with its members participating in the Scottish Left Project, the organisational process which led to the RISE electoral alliance to contest the 2016 Scottish Parliamentary elections alongside Scottish Socialist Party, individuals from the Radical Independence Campaign and other activists and trade unionists.
The International Socialist Group was a political organization in Cuba, formed in 1905 by émigré Spanish socialists who were followers of the Spanish Socialist Workers' Party (PSOE). In November 1906 the group merged with the Socialist Workers Party, forming the Socialist Party of the Island of Cuba.
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The Independent Labour Party (ILP) was a British political party of the left, established in 1893, when the Liberals appeared reluctant to endorse working-class candidates, representing the interests of the majority. A sitting independent MP and prominent union organiser, Keir Hardie, became its first chairman.
Socialist Appeal is the publication of a Trotskyist tendency which was founded by supporters of Ted Grant and Alan Woods after they were expelled from the Militant group in the early 1990s.
The International Group was the name taken by two groups of British supporters of the Fourth International.
The Workers' Socialist Federation was a socialist political party in the United Kingdom, led by Sylvia Pankhurst. Under many different names, it gradually broadened its politics from a focus on women's suffrage to eventually become a left communist grouping.
The Club was a Trotskyist group in the United Kingdom. It operated inside the Labour Party and was the official section of the Fourth International from 1950 until 1953 when, after the FI split, it became part of the International Committee of the Fourth International. Led by Gerry Healy, it published the newspaper Socialist Outlook until this was banned by Labour, whereupon it began selling Tribune, and eventually began a new paper, The Newsletter. In 1959 it was reconstituted as the Socialist Labour League.
The International Marxist Group (IMG) was a Trotskyist group in Britain between 1968 and 1982. It was the British Section of the Fourth International. It had around 1,000 members and supporters in the late 1970s. In 1980, it had 682 members; by 1982, when it changed its name to the Socialist League, membership had fallen to 534.
The Fourth International (FI), founded in 1938, is a Trotskyist international. In 1963, following a ten-year schism, the majorities of the two public factions of the Fourth International, the International Secretariat and the International Committee, reunited, electing a United Secretariat of the Fourth International. In 2003, the United Secretariat was replaced by an Executive Bureau and an International Committee, although some other Trotskyists still refer to the organisation as the USFI or USec.
The Labour and Socialist International was an international organization of socialist and labour parties, active between 1923 and 1940. The group was established through a merger of the rival Vienna International and the former Second International, based in London, and was the forerunner of the present-day Socialist International.
The Socialist Workers Party (SWP) is a far-left political party in the United Kingdom. Founded as the Socialist Review Group by supporters of Tony Cliff in 1950, it became the International Socialists in 1962 and the SWP in 1977. The party considers itself to be Trotskyist. Cliff and his followers criticised the Soviet Union and its satellites, calling them state capitalist rather than socialist countries.
The Workers' International League (WIL) was a Trotskyist group that existed in Britain from 1937 to 1944.
The Socialist Alliance was a left-wing electoral alliance in England between 1992 and 2005.
The Socialist Group was a short-lived Trotskyist group in Britain during the mid 1980s. Its publication was "Socialist Viewpoint".
Socialist Resistance (SR) is an ecosocialist, feminist and revolutionary organisation in Britain, which publishes a Marxist periodical of the same name. In July 2009 the International Socialist Group (ISG) merged into it, making SR the British Section of the Fourth International.
Tony Cliff was a Trotskyist activist. Born to a Jewish family in what is now Israel, he moved to Britain in 1947 and by the end of the 1950s had assumed the pen name of Tony Cliff. A founding member of the Socialist Review Group, which became the International Socialists and then the Socialist Workers Party, in 1977, Cliff was effectively the leader of all three.
The Socialist Party of Great Britain (SPGB) is a socialist political party in the United Kingdom. Founded in 1904 as a split from the Social Democratic Federation (SDF), it advocates using the ballot box for revolutionary purposes and opposes both Leninism and reformism. It holds that countries which claimed to have established socialism had only established "state capitalism" and was one of the first to describe the Soviet Union as state capitalist. The party's political position has been described as a form of impossibilism.
The first Revolutionary Socialist League (RSL) was formed in early 1938 with the merger of the Marxist League led by Harry Wicks and the Marxist Group led by C. L. R. James.
The Revolutionary Socialist League (RSL) was a Trotskyist group in Britain which existed from 1956 to 1964. It later became the Militant tendency, an entryist group within the Labour Party.
The International Socialist Tendency (IST) is an international grouping of unorthodox Trotskyist organisations espousing the ideas of Tony Cliff (1917–2000), founder of the Socialist Workers Party (SWP) in Britain. It has sections across 27 countries; however, its strongest presence is in Europe, especially in Britain.
Far-left politics in the United Kingdom have existed since at least the late 19th century, with the formation of various organisations following ideologies such as revolutionary socialism, anarchism and syndicalism. Following the 1917 Russian Revolution and developments in international Marxism, new organisations advocated ideologies such as Marxist-Leninism, Left Communism and Trotskyism. Following the 1949 Chinese Revolution, further international developments from the 1960s led to the emergence of Maoist groups. Political schisms within these tendencies created a large number of new political organisations, particularly from the 1960s to the 1990s.