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The Seleucid king, Antiochus III, mounts a fresh expedition to the east of his kingdom in Luristan, where he is killed during an attempt to collect tribute from a temple at Elymais, Persia.
Achaeus, Seleucid general and later separatist ruler of most of Anatolia until his defeat and execution by the Seleucid king Antiochus III
With Molon occupying significant parts of the Seleucid kingdom and assuming the title of king, on the advice of his chief Minister, Hermeias, Antiochus III abandons a campaign to conquer southern Syria from Egypt.
Agathocles issued a series of "pedigree" dynastic coins, probably with the intent to advertise his lineage and legitimize his rule, linking him to Alexander the Great, a king Antiochus Nikator (Greek: "Νικάτωρ" "Victorious", probably intended is Antiochus III), the founder of the Greco-Bactrian kingdom Diodotus and his son Diodotus II, Euthydemus, Pantaleon, and Demetrius.
Arsaces II, king of Parthia, is considered to have been murdered on the orders of Antiochus III.