Unión do Povo Galego
Founded on 23 August 1963 with the intention of forming a nationalist and social democratic party in Galiza, subsequently radicalized its positions, approaching the communist Galician People's Union (UPG). Among its founders stand out Mario Orxajes Pita, Salvador Rei, Salvador García Bodaño, Xosé Luís Rodríguez Pardo, Cesáreo Saco, Manuel Caamaño and Ramón Piñeiro, that created the party in a clandestine meeting.