The Popular Liberation Front was a clandestine anti-Francoist

Francisco Franco

Francisco Franco y Bahamonde was a Spanish general, dictator and head of state of Spain from October 1936 , and de facto regent of the nominally restored Kingdom of Spain from 1947 until his death in November, 1975...

 opposition group in Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 1958-1969. FLP was founded by Julio Cerón. Amongst the personalities that joined FLP were José Luis Leal, Pasqual Maragall, José Pedro Pérez Llorca and Miguel Roca

Miguel Roca

Miguel Roca is a Spanish fencer. He competed in the individual foil event at the 1980 Summer Olympics.-References:...

. FLP emerged as a response to the difficulties of the traditional left to establish a foothold inside Spain. FLP was inspired by the development of left socialist parties like PSU

Unified Socialist Party (France)

The Unified Socialist Party was a socialist political party in France, founded on April 3, 1960. It was originally led by Édouard Depreux , and by Michel Rocard .- History :...

 in France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 and PSIUP in Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, and was influenced by New Left

New Left

The New Left was a term used mainly in the United Kingdom and United States in reference to activists, educators, agitators and others in the 1960s and 1970s who sought to implement a broad range of reforms, in contrast to earlier leftist or Marxist movements that had taken a more vanguardist...

 and Third World

Third World

The term Third World arose during the Cold War to define countries that remained non-aligned with either capitalism and NATO , or communism and the Soviet Union...

ist movements. The Catalan referent of FLP was the Workers Front of Catalonia and its Basque referent was Euskadiko Sozialisten Batasuna.

In 1962 there was a crackdown against FLP, and around a hundred FLP militants were detained by police.