Julián Besteiro Fernández was a Spanish socialist politician, elected to the Cortes Generales and in 1931 as Speaker of the Constituent Cortes of the Spanish Republic. He also was elected several times to the town council of Madrid. During the same period, he was a university professor of philosophy and logic, and dean of the department at the University of Madrid. He was imprisoned after the Civil War and died in jail.

The Spanish Socialist Workers' Party is a social-democratic political party in Spain. The PSOE has been in government longer than any other political party in modern democratic Spain: from 1982 to 1996 under Felipe González, 2004 to 2011 under José Luis Rodríguez Zapatero, and since 2018 under Pedro Sánchez.