Battle of Amorgos
From Conservapedia
The Battle of Amorgos was fought in the same campaign as the Battle of Crannon in 322 B.C. between the revolting Greek city states and the forces of Macedonia, only this battle was a naval engagement. The Macedonian fleet obliterated the Athenian navy. The Athenians would never recover.
Sources
Encyclopedia of Military History, Dupuy & Dupuy, 1979