By place ====
Seleucid Empire ==== • The second
Syrian War between the Seleucids and the Ptolemies ends.
Antiochus II regains much of
Anatolia from
Ptolemy II, including the cities of
Miletus and
Ephesus, and also the
Phoenician coast. • The war is concluded with the marriage of Antiochus to Ptolemy II's daughter,
Berenice Syra. Antiochus divorces his previous wife,
Laodice, and transfers the succession to Berenice's children. ====
Roman Republic ==== • A second
Roman war fleet of 150 ships is wrecked on the voyage from
Lilybaeum (in
Sicily) to
Rome. •
Tiberius Coruncanius is the first
plebeian to be elected
pontifex maximus of
Rome. ====
Greece ==== • Alexander,
Antigonus II's nephew and regent, leads a revolt in
Corinth with Ptolemy II's help and declares himself an independent monarch. As a result, Antigonus loses Corinth and
Chalcis, the two bases from which he has dominated southern
Greece. As the
Aetolians occupy
Thermopylae, Antigonus II is cut off from
Athens and the
Peloponnese. •
Macedonia's involvement in the second
Syrian War ceases when Antigonus becomes preoccupied with the rebellion of Corinth and Chalcis, as well as an increase in enemy activity along Macedon's northern frontier. == Births ==