Siege of Lleida
1122 CE.
Shown on the map at 41.617°, 0.633°.
The Siege of Lleida took place in 1123 when Alfonso the Battler, King of Aragón and Pamplona unsuccessfully attempted to capture the city of Lleida which was held by the Almoravids in the former Taifa of Zaragoza.
Text from the Wikipedia article Siege of Lleida (1123), licensed CC BY-SA 4.0.