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
Miguel Primo de Rivera into the responsibility of King Alfonso XIII and the armed forces for the debacle. Rumors of corruption in the army became rampant. On 13 September 1923, the indignant military, headed by Captain General Miguel Primo de Rivera in Barcelona, overthrew the parliamentary government, upon which Primo de Rivera established himself as dictator. In his typically florid prose, he issued a Manifesto explaining the coup to the people. Resentful of the parliamentarians' attacks against him, King Alfonso tried to give Primo de Rivera legitimacy by naming him prime minister. In justifying his "coup d'état", Primo de Rivera announced: "Our aim is