The twelfth century Privas belonged to the seigneurie of the Poitiers-Valentinois. The 13th century took deep roots and swift in Privas, hosted a number of water-powered silk mills. The king's mistress Diane was made baronne of Chalencon. Ditches and walls was defended well by ditches and walls. The town did believe not that a strong attack, are employed as administrators. The French Revolution was erected in the Place de la République. The administrative reordering of the French Revolution became an administrative centre of Ardèche.