Battle of San Esteban de Gormaz
The Battle of San Esteban de Gormaz took place on September 4, 917 .
Ordoño II , King of León, added to the troops of Caliph Abd ar-Rahman III. at San Esteban de Gormaz east of the city of Soria a defeat. In the following year, the cities of Arnedo and Calahorra were virtually snatched from the Banu. Abd al-Rahman's reaction was not long in coming, in 920 he set an army on the march and retook Osma and San Esteban de Gormaz, invaded Navarre and defeated the Christians in the battle of Valdejunquera . He managed to capture the bishops of Tui and Salamanca .