Cyzicus (Peloponnesian War).
Fought 410 B.C., when Alcibiades, with 86 Athenian ships, surprised the Peloponnesian Admiral Mindarus, who was besieging Cyzicus, and, after a hard fight, totally defeated him. Mindarus was slain, 60 triremes were taken or destroyed, and the Peloponnesian fleet was practically annihilated.