Battle of Arnisol
1126 CE.
Shown on the map at 37.381°, -4.701°.
The Battle of Arnisol, Arinzol or Aranzuel took place on 10 March 1126 near the Anzur Castle between Aragonese forces led by Alfonso the Battler and Almoravid forces led by Ibn Abu Bakr. It was part of the Granada campaign.
Text from the Wikipedia article Battle of Arnisol, licensed CC BY-SA 4.0.