 The anarcho-syndicalist Confederación Nacional del Trabajo (CNT) was formed in October 1910 and immediately called for a general strike, which was suppressed by the military.Further strikes followed in 1917 and 1919 amidst growing violence between the police and trade unions.With the CNT outlawed, the Federación Anarquista Ibérica (FAI) was formed in 1927 as a clandestine alliance of affinity groups during the dictatorship of Miguel Primo de Rivera.