The Federation of Parties of the Mexican People (Spanish: Federación de Partidos del Pueblo Mexicano) was a socialist political party that existed from 1945 to 1954. The party was founded by Genovevo de la O, a former Zapatista commander, in 1945. The FPPM drew most of its support from left wing academics and soldiers that had grown disillusioned with the almost omnipotent Institutional Revolutionary Party (PRI), and believed the PRI no longer represented the ideas of the Mexican Revolution. Notable members of the FPPM were , Rubén Jaramillo, Francisco J. Múgica, and Miguel Henríquez Guzmán. Most of them had been supporters of Emiliano Zapata and revolucionary leaders , and the FPPM was notable for being the last split from the PRI that included leaders who had participated in the Mexican