The reconquest of Tarazona by Alfonso I Historical milestone · Tarazona, Tarazona y el Moncayo, Zaragoza Image of Tarazona, not of the place itself. Alfonso I the Battler took Tarazona in 1119, shortly after the conquest of Zaragoza, and restored the episcopal see already documented in the year 449. The city remained a key stronghold on the triple boundary between Aragon, Castile and Navarre. 1119 Photo: Willtron (CC BY-SA 4.0) What to see and do in Tarazona