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 a hundred rounds of ammunition, so thereafter he was held in solitary confinement. On October 3 he was charged with conspiracy against the Republic and military insurrection, both capital offences, even though he had been imprisoned long before the insurrection of July 18. Primo de Rivera conducted his own defence. On November 18 he was found guilty by a popular tribunal made up of the leftist parties making up the Spanish Republic and sentenced to death by firing squad. The three career judges who participated in the trial, along with the popular tribunal, asked for the death sentence be commuted