Tenth Siege of Gibraltar
1506 CE.
Shown on the map at 36.155°, -5.346°.
The tenth siege of Gibraltar in 1506 was a minor military action in which the Duke of Medina Sidonia, Juan Alfonso Pérez de Guzmán tried but failed to recover the fortress of Gibraltar from the troops who were holding it in the name of the newly united crowns of Castile and Aragon.
Text from the Wikipedia article Tenth siege of Gibraltar, licensed CC BY-SA 4.0.