The party's founders included several people from the
Velasco Alvarado government, such as general Leónidas Rodríguez Figueroa, general Jorge Fernández Maldonado,
Enrique Bernales Ballesteros and Alfredo Filomeno. The PSR was founded for the purpose of participating in the 1978 elections for the Constituent Assembly and won 6 of the 100 seats. Subsequent to the 1978 election, the party split into the
Revolutionary Socialist Party (Marxist–Leninist) (PSR-ML) and the PSR-Leónidas Rodríguez Figueroa. The PSR-ML played a dominant role in what was left of the National Agrarian Confederation, which had been set up by Avelino Mar during the
Velasco Alvarado administration. During the 1980s, PSR was part of
IU. In 1989, PSR participated in the elections of the lists of
ASI and in 1990 with
IS. In the
2011 Peruvian general election, the party took part in the successful
Peru Wins alliance of
Ollanta Humala. PSR published . == References ==