The Fourth International can refer to:
Trotskyism is the political ideology and branch of Marxism developed by Russian revolutionary and intellectual Leon Trotsky along with some other members of the Left Opposition and the Fourth International. Trotsky described himself as an orthodox Marxist, a revolutionary Marxist, and a Bolshevik–Leninist as well as a follower of Karl Marx, Frederick Engels, Vladimir Lenin, Karl Liebknecht, and Rosa Luxemburg.
The Fourth International (FI) was a political international established in France in 1938 by Leon Trotsky and his supporters, having been expelled from the Soviet Union and the Communist International.
Max Shachtman was an American Marxist theorist. He went from being an associate of Leon Trotsky to a social democrat and mentor of senior assistants to AFL–CIO President George Meany.
The League for the Fourth International (LFI) is a Trotskyist international organization that has bases in Mexico, Brazil, Italy, the United States and Germany. All of these are very small and based in at most one or two cities. Like other international Trotskyist groups, it fights for "international socialist revolution, the conquest of power by the working class, led by its Leninist party."
International Socialists may refer to:
The Fourth International Posadist is a Trotskyist international organisation. It was founded in 1962 by J. Posadas, who had been the leader of the Latin America Bureau of the Fourth International in the 1950s, and of the Fourth International's section in Argentina. Between their split from the International Secretariat of the Fourth International in 1962 and Posadas' death in 1981, Posadists developed a strain of communism that included several fringe ideas, which brought them into conflict with more mainstream left-wing groups.
The League for Socialist Action (LSA) was the premier Trotskyist organization in Canada for much of the 20th century. Throughout its history the LSA went through many different names and iterations. In chronological order it was known as: the International Left Opposition (Trotskyist) of Canada, the Workers Party of Canada, the Socialist Policy Group, the Socialist Workers League, the Revolutionary Workers Party, The Club, the Socialist Education League, and the League for Socialist Action.
The Spartacist League is the name of several Trotskyist groups, which are sections of the International Communist League :
The Communist Alternative Party is a communist political party in Italy. Its leader and founder is Francesco Ricci.
The Communist Party of Great Britain was in existence from 1920 to 1991.
The International Committee of the Fourth International (ICFI) is a public faction of the Fourth International founded in 1953. Today two Trotskyist internationals claim to be the continuations of the ICFI; one with sections named Socialist Equality Party which publishes the World Socialist Web Site, and another linked to the Workers Revolutionary Party in the UK.
The French Turn was the name given to the entry between 1934 and 1936 of the French Trotskyists into the French Section of the Workers' International. The French Turn was repeated by Trotskyists in other countries during the 1930s.
The International Communist League (Fourth Internationalist) abbreviated as ICL(FI), earlier known as the international Spartacist tendency (iSt) is a Trotskyist international. Its largest constituent party is the Spartacist League (US). There are smaller sections of the ICL (FI) in Mexico, Canada, France, Germany, Ireland, Italy, Japan, South Africa, Australia, Greece and the United Kingdom.
James Patrick Cannon was an American Trotskyist and a leader of the Socialist Workers Party.
Michel Pablo was the pseudonym of Michalis N. Raptis, a Trotskyist leader of Greek origin.
The phrase Fifth International refers to the efforts made by groups of socialists and communists to create a new workers' international.
The Socialist Workers Party (SWP) is a communist party in the United States. The SWP began as a group which, because it supported Leon Trotsky over Soviet leader Joseph Stalin, was expelled from the Communist Party USA. Since the 1930s, it has published The Militant as a weekly newspaper. It also maintains Pathfinder Press.
Orthodox Trotskyism is a branch of Trotskyism which aims to adhere more closely to the philosophy, methods and positions of Leon Trotsky and the early Fourth International, Vladimir Lenin and Karl Marx than other avowed Trotskyists.