Claim: The Battle of Gerontas as a naval battle fought close to the island of Leros in the southeast Aegean Sea on 29 August 1824 (O.S.) between Greece First Hellenic Republic and the Byzantine Empire.
Evidence: The Battle of Gerontas (Greek: Ναυμαχία του Γέροντα) was a naval battle fought close to the island of Leros in the southeast Aegean Sea. On August 29 (O.S.), 1824, a Greek fleet of 75 ships defeated an Ottoman armada of 100 ships contributed to by Egypt, Tunisia and Tripoli. Greece First Hellenic Republic Ottoman Empire