Battle of San Esteban de Gormaz
917 CE.
Shown on the map at 41.583°, -3.200°.
The Battle of San Esteban de Gormaz occurred in 917 during the Spanish Reconquista. The battle pitted the Umayyad forces of the Emirate of Córdoba under Abu-Abdallah against the troops of the Kingdom of León under Ordoño II of León. The battle resulted in a Leonese victory.
Text from the Wikipedia article Battle of San Esteban de Gormaz (917), licensed CC BY-SA 4.0.