José Antonio Primo de Rivera Dean of the Illustrious College of Lawyers of Madrid". In 1931, he constituted "Agrupación al Servicio de la República" (Assembly at the Service of the Republic) "and" paradoxically ran for office under the monarchist banner of "Unión Monárquica Nacional"—he failed to get elected. He was detained briefly in 1932 for collaboration in General José Sanjurjo's attempted coup. On October 29, 1933, Primo de Rivera launched the Falange Española ("Spanish Phalanx"), a nationalist party, inspired in part with some ideas, such as the necessity of authority, hierarchical order of society, and grassroots populism, that were being expounded in Italy in the
Francisco Largo Caballero succeeded him as head of the party and of the UGT. Moderate in his positions at the beginning of his political life, he advocated maintaining a degree of UGT cooperation with the dictatorial government of General Miguel Primo de Rivera, which permitted the union to continue functioning under his military dictatorship (that lasted from 1923 to 1930). This was the start of his political conflict with Indalecio Prieto, who opposed all collaboration with the dictatorial regime. He was Minister of Labor Relations between 1931 and 1933, in the first governments of the Second Spanish Republic, headed by Niceto Alcalá-Zamora, and