Falange Española de las JONS Falange lost supporters in the run-up to the Spanish Civil War, leaving a core of young, dedicated activists, many in the organization's student organization, the . Following the elections the left-wing Popular Front government persecuted the Falange and imprisoned José Antonio Primo de Rivera on 6 July 1936. In turn, the Falange joined the conspiracy to overthrow the Second Spanish Republic, supporting the military revolt ultimately led by Francisco Franco and continuing to do so throughout the ensuing Spanish Civil War. With the eruption of the Spanish Civil War in July 1936, the Falange fought on the Nationalist Faction against
José Antonio Primo de Rivera to life imprisonment but this was rejected by the majority of government ministers (the two ministers from Izquierda Republicana voted against the death sentence. The sentence was carried out on November 20 by local authorities in Alicante. It is said by some that the Republic offered the Nationalists a prisoner exchange involving Primo de Rivera and a son of the Republic's president Francisco Largo Caballero and that Franco turned down the offer. Others contend that it was the Republican government who rejected the deal of the Nationalists and that General Franco approved several failed commando raids on the Alicante prison