Battle of Consuegra
1097 CE.
Shown on the map at 39.450°, -3.600°.
The Battle of Consuegra took place during the Spanish Reconquista on 15 August 1097 near the village of Consuegra in the province of Castile-La Mancha between the Castilian and Leonese army of Alfonso VI and the Almoravids under Yusuf ibn Tashfin.
Text from the Wikipedia article Battle of Consuegra, licensed CC BY-SA 4.0.