The Edinburgh-based Revolutionary Socialist Party was a Trotskyist group. It developed out of the British Section of the International Socialist Labour Party, a socialist grouping formed around the teachings of Daniel De Leon which split from the Socialist Labour Party during World War I. After rejecting several approaches from the SLP to rejoin, the small party moved towards Trotskyism as a result of their own study and became the RSP.
Revolutionary Socialist Party is a Marxist-Leninist political party in India. The party was founded on March 19 1940 and has its roots in the Bengali liberation movement Anushilan Samiti and the Hindustan Socialist Republican Army. The party got around 0,4% of the votes and three seats in the Lok Sabha elections 1999 and 2004.
Revolutionary Socialist Party (Bolshevik) [RSP(B)] was formed as a splinter-group from Revolutionary Socialist Party in Kerala in 2001. The party leader at the time of its formation was Baby John, formerly an important RSP leader in Kerala.
Revolutionära Socialistiska Partiet (Revolutionary Socialist Party), a Swedish political party founded in 1945, as the Independent Labour Party (Oberoende Arbetarpartiet). It was founded by a group that had split from the Left Socialist Party (VSP), when VSP had developed in a pro-Western direction. Leaders included Evald Höglund and Gottfrid Nyberg.
Revolutionary Socialist Party (in Spanish: Partido Socialista Revolucionario) was a political party in Peru formed in 1976. Its founders included several people from the Velasco Alvarado government, such as general Leonidas RodrÃguez Figueroa, general Jorge Fernández Maldonado, Enrique Bernales and Alfredo Filomeno.
Revolutionary Socialist Party (Marxist-Leninist) (in Spanish: Partido Socialista Revolucionario (Marxista-Leninista)) was a political party in Peru founded in 1978 through a split in the Revolutionary Socialist Party. Its leaders included Antonio Aragón, Carlos Urrutia and Andrés Avelino Mar. It participated in the 1980 general elections on the lists of Popular Democratic Unity.
The Revolutionary Socialist Party (in Portuguese: Partido Socialista Revolucionário, pron. , or PSR) was a small far-left Party in Portugal, founded in 1978 after the merger of two Trotskyist parties - the Internationalist Communist League (Portuguese: Liga Comunista Internacionalista or LCI) and the Workers Revolutionary Party (Portuguese: Partido Revolucionário dos Trabalhadores or PRT). The LCI and PRT were both both part of the reunified Fourth International. The International recognised the PSR as its Portuguese section.
The Revolutionary Socialist Party (in Dutch: Revolutionair Socialistische Partij, RSP) was a dutch left-communist political party. The RSP was a rather minor political force in the Netherlands.
Revolutionary Socialist Party (Marxist) is a political party in Kerala, India. It was formed by the then Labour Minister of Kerala, Babu Divakaran in 2005. Divakaran broke away from the Revolutionary Socialist Party (Bolshevik) when the group around the RSP(B) general secretary AV Thamaraksan decided that RSP(B) would leave the United Democratic Front.
