355. The Social War ends in Greece. Athens recognizes the independence of the confederated states.
353. Final conquest of Egypt by the Persians.
352. Philip of Macedon interferes in the Greek Sacred War; Demosthenes delivers his First Philippic encouraging the Greeks to resist the Macedonians; Philip's attempt to seize Thermopylae is defeated.
Two thousand colonists are sent from Athens to Samos.
347. Philip of Macedon captures and destroys Olynthus.
346. Phocis occupied by Philip of Macedon; this ends the Sacred War.
Dionysius the Younger again assumes power in Syracuse.
343 (340). Timoleon effects the deliverance of Syracuse from Dionysius the Younger.
Rome engages in the First Samnite War.
341 (338). End of the First Samnite War.