This thesis is an exploration of the motives, mentalities and collective identities which lay behind acts of popular anticlerical violence and iconoclasm during the pre-war Spanish Second Republic (1931-1936) and the Spanish Civil War (1936-1939). The five year period following the proclamation of the democratic Second Republic in April 1931 was marked by physical assaults upon the property and public ritual of the Spanish Catholic Church. These grassroots attacks were generally carried out by rural and urban anticlerical workers who were frustrated by the Republic’s practical inability to tackle the Church’s vast power. On 17-18 July 1936, a rightwing military rebellion divided Spain geographically, provoking the radical fragmentation of p...