Battle of Cos

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Battle of Cos
Date 258 BC
Location Kos
Result Macedonian victory
Belligerents
Macedon Ptolemaic Egypt
Commanders
Antigonus II Gonatas Ptolemy II

The Battle of Cos was fought in 258 BC between an Antigonid fleet and a Ptolemaic fleet. Antigonus II Gonatas led his forces to victory over Ptolemy II. This did little to affect the Ptolemaic naval superiority, however.