The outbreak of the October Revolution Historical milestone · Mieres, Caudal, Asturias Image of Mieres, not of the place itself. The insurrection began on 5 October 1934 and within three days the miners of the coalfields controlled almost all of Asturias; the army, with troops from Africa and with aircraft, crushed it in two weeks with well over a thousand dead. 5 de octubre de 1934 Photo: Adolfobrigido (CC BY-SA 3.0 es) What to see and do in Mieres