The Unified Communist Party of Spain (, abbreviated PCEUMartínez de Sousa, José.
Manual de estilo de la lengua española
'. Gijón: Trea, 2001. p. 515) was a

political party A political party is an organization that coordinates candidates to compete in a particular area's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific political ideology, ...

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

. PCEU was a pro-Soviet rival to the Eurocommunist

Communist Party of Spain The Communist Party of Spain (; PCE) is a communist party that, since 1986, has been part of the United Left coalition, which is currently part of Sumar. Two of its politicians are Spanish government ministers: Yolanda Díaz (Minister of L ...

(PCE).
Radio Free Europe research
', Vol. 5, Edition 21–31. 1980. p. 92 PCEU was founded at an 'extraordinary congress of unification' in Madrid in May 1980, merging the

Communist Party of Spain (8th and 9th Congresses) The Communist Party of Spain (8th and 9th Congresses) (in Spanish: ''Partido Comunista de España (VIII y IX Congresos)'') was a pro-Soviet splinter group of Communist Party of Spain (PCE). PCE (VIII-IX) was one of many groups that broke away fr ...

(PCE (VIII-IX)) and the Workers' Communist Party (PCT).Molas, Isidre, and Joan B. Culla i Clarà.
Diccionari del partits polítics de Catalunya: segle XX
'. Barcelona: Enciclopèdia Catalana, 2000. p. 225 News of the merger were carried by Czechoslovak and East German press. In June 1980 an extraordinary party conference was held in

Alicante Alicante (, , ; ; ; officially: ''/'' ) is a city and municipalities of Spain, municipality in the Valencian Community, Spain. It is the capital of the province of Alicante and a historic Mediterranean Sea, Mediterranean port. The population ...

to ratify the merger. In the trade union movement PCEU supported ''

Comisiones Obreras The Workers' Commissions () since the 1970s has become the largest trade union in Spain. It has more than one million members, and is the most successful union in labor elections, competing with the Unión General de Trabajadores (UGT), which is ...

''. The youth wing of PCEU was called Unified Communist Youth of Spain (''Juventud Comunista de España Unificada'', JCEU).Moreno Sáez, Francisco.
PARTIDOS, SINDICATOS Y ORGANIZACIONES CIUDADANAS EN LA PROVINCIA DE ALICANTE DURANTE LA TRANSICIÓN (1974-1982)
' The PCEU congress held in

Bilbao Bilbao is a city in northern Spain, the largest city in the Provinces of Spain, province of Biscay and in the Basque Country (greater region), Basque Country as a whole. It is also the largest city proper in northern Spain. Bilbao is the List o ...

in March 1981 was considered illegitimate by one sector of the party, leading to a split of the party into two. One group was led by Carlos Delgado. The other group was led by Fèlix Valero and Carlos Tuya. Both groups published identically named organs titled ''Mundo Obrero y Comunista'' and ''La Voz Comunista''. Both factions had youth wings named JCEU. The Delgado group took part in the 1984 Unity Coordination of Communists, that included the Movement to Recover the Communist Party of Spain (MRPCE), the Communist Collectives and the Party of Communists of Catalonia. The Valero/Tuya group continued to exist until 1984. Tuya served as party president.
El País, anuario ...
'. 1985. p. 98

References

1980 establishments in Spain 1984 disestablishments in Spain Defunct communist parties in Spain Political parties disestablished in 1984 Political parties established in 1980 {{Spain-party-stub