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The Republican Union (Spanish: Unión Republicana) was a Spanish republican party founded in 1934 by Diego Martinez Barrio.

Republican Union

Unión Republicana
LeaderDiego Martínez Barrio
Founded1934 (1934)
Dissolved1959 (1959)
Merged intoSpanish Democratic Republican Action
Social liberalism
Laicism (State secularism)
Political positionCentre-left to centre

It was formed as a result of a merger of several small republican parties, including notably Diego Martinez Barrio's Radical Democratic Party founded in May 1934 by a split from Alejandro Lerroux's Radical Party in protest at the latter's alliance with the right-wing CEDA.

Integrated in the Popular Front ahead of the 1936 election, the party won 38 seats becoming the fourth largest party. It formed a governing coalition with Manuel Azaña's Republican Left. Though it participated in all republican governments during the Spanish Civil War, it played a minor role starting under Largo Caballero's government.

In exile in Mexico, it was the main support of the Republican government-in-exile until it was dissolved in 1959 to found the Spanish Democratic Republican Action along with the Republican Left.

See alsoEdit


  • Nigel Townson. The Crisis of Democracy in Spain: Centrist Politics Under the Second Republic, 1931-1936. Sussex Academic Press. 2000. pp. 2–3.
  • Beevor, Antony. The Battle for Spain. The Spanish Civil War 1936-1939. Penguin Books. 2006. p. 456.