The International Socialist Group (ISG) was a Trotskyist organisation in Britain. It was the British section of the Fourth International (FI) until 2009...

The International Socialist Tendency (IST) is an international grouping of unorthodox Trotskyist organisations espousing the ideas of Tony Cliff (1917–2000)...

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...

the Socialist League, membership had fallen to 534. The IMG emerged from the International Group, a sympathising organisation of the International Secretariat...

The Socialist International (SI) is a political international or worldwide organisation of political parties which seek to establish democratic socialism...

International Socialist Alternative is an international association of Trotskyist political parties. The group was founded in 1974 as the Committee for...

International Socialist Group (Cuba) International Socialist Group (Scotland), a 2011 breakaway from the Socialist Workers Party International Socialist Group (UK...

Progressive Alliance of Socialists and Democrats (S&D) is the political group in the European Parliament of the Party of European Socialists (PES). The Progressive...

Socialist Appeal was the British section of the International Marxist Tendency (IMT), founded in 1992 alongside the IMT by supporters of Ted Grant and...

International Socialists may refer to: International Socialist Organization, an American Trotskyist group from 1976 to 2019 which was expelled from the...

Alliance or Socialist International. The PES is currently led by its president, Stefan Löfven, a former Prime Minister of Sweden. Its political group in the...

The Socialists and affiliated group (French: groupe Socialistes et apparentés) is a parliamentary group in the National Assembly of France that includes...

the Workers' Fight group. Espousing left unity, they accepted an offer in 1968 to form a faction within the International Socialists (IS) as the Trotskyist...

The International Socialist Group was a revolutionary socialist organisation based in Scotland which was formed in April 2011 by former members of the...

The International Socialist Group (Spanish: Agrupación Socialista International) was a political organization in Cuba, formed in 1905 by émigré Spanish...

The Socialist Campaign Group, also simply known as the Campaign Group, is a UK parliamentary caucus of the Labour Party including Members of Parliament...

election. Solidarity (1960). Workers Socialist League (1974), later the International Socialist Group and currently Socialist Resistance. Workers Party (1979)...

Socialist Alternatives was the British section of the International Revolutionary Marxist Tendency (IRMT), a formerly Trotskyist Pabloite group based...

International Group of Democratic Socialists (German: Internationale Gruppe demokratischer Sozialisten, often nicknamed as Kleine Internationale) was a...

International in their countries; the Socialist League merging in 1977, while the majority of the Workers Socialist League became the Socialist Group...

The Workers Socialist League (WSL) was a Trotskyist group in Britain. The group was formed by Alan Thornett and other members of the Workers Revolutionary...

Socialist Resistance (SR) is a Trotskyist organisation in Britain. In 2009, the International Socialist Group (ISG) merged into it, making it the British...

and also to follow the advice of the Third International by opening discussions with other socialist groups with the aim of forming a single communist...

Socialist Action – website of group of same name. Socialist Fight – online magazine and website. Socialist Voice – from the International Socialist League...

Labour and Socialist International (LSI; German: Sozialistische Arbeiter-Internationale, SAI) was an international organization of socialist and labourist...

British Section of the International Socialist Labour Party, a De Leonist group, formed in 1912 following disputes within the Socialist Labour Party of Great...

The Second International, also called the Socialist International, was an organisation of socialist and labour parties, formed on 14 July 1889 at two simultaneous...

Socialist group in the Senate (French: Groupe socialiste et Sénat) is a parliamentary group in the Senate including representatives of the Socialist Party...

The International Socialists (1968–1986) was a Third Camp Trotskyist group in the United States. The roots of the IS went back to the fall of 1964 when...

Socialist Alternative is a Trotskyist group in the United Kingdom, part of International Socialist Alternative. Socialist Alternative's goal is “To rid...