Battle of Formentera
1529 CE.
Shown on the map at 38.700°, 1.450°.
The Battle of Formentara occurred on 28 October 1529 when an Ottoman fleet under Aydin Reis captured a small Spanish fleet of eight galleys off the island of Formentera near Ibiza.
Text from the Wikipedia article Battle of Formentera, licensed CC BY-SA 4.0.