Sucesos de Castilblanco (1931) Historical milestone · Castilblanco, Cijara, Badajoz Image of Castilblanco, not of the place itself. On December 31, 1931, during a demonstration of day laborers called by the Federación Nacional de Trabajadores de la Tierra, a clash with the Guardia Civil ended with the deaths of four guards and one demonstrator, an episode that historian Paul Preston frames within the repression of peaceful protests after months of labor unemployment. 31 de diciembre de 1931 Photo: No machine-readable author provided. KCTimes assumed (based on copyright claims). (CC BY-SA 3.0) What to see and do in Castilblanco