Seventh Siege of Gibraltar
1436 CE.
Shown on the map at 36.138°, -5.345°.
The seventh siege of Gibraltar (1436) was an unsuccessful attempt by the Castillian nobleman Enrique Pérez de Guzmán, 2nd Count de Niebla to capture the stronghold of Gibraltar from the Moors. He drowned during the attempt.
Text from the Wikipedia article Seventh siege of Gibraltar, licensed CC BY-SA 4.0.