Battle of Río Salado
1340 CE.
Shown on the map at 36.045°, -5.615°.
The Battle of Río Salado also known as the Battle of Tarifa (30 October 1340) was a battle of the allied Christian armies of King Alfonso XI of Castile and King Afonso IV of Portugal against the allied Muslim armies of Sultan Abu al-Hasan 'Ali of the Marinids and Emir Yusuf I of the Emirate of Granada.
Text from the Wikipedia article Battle of Río Salado, licensed CC BY-SA 4.0.