El fin del monopolio de la pólvora Historical milestone · Hellín, Campos de Hellín, Albacete Image of Hellín, not of the place itself. That day the state monopoly on the manufacture of military gunpowder expired and the sulfur of Hellín was opened to private enterprise; shortly afterwards the Albacete to Cartagena railway passed close to the deposits and their exploitation took off. 1 de enero de 1865 Photo: Siempremolinicos (CC BY-SA 3.0) What to see and do in Hellín