Bona crusade
1399 CE.
Shown on the map at 36.900°, 7.767°.
The Bona Crusade or the Annaba crusade was a military campaign initiated by the King of Aragon Martin the Humane against the Hafsid sultanate, carried out in the summer of 1399.
Text from the Wikipedia article Bona crusade, licensed CC BY-SA 4.0.