Antiochus III was basileus of the Seleucid Empire from 222 BCE until sometime around the 180’s. When he ascended to the throne, his empire was in disarray — there was unrest in the Persian and Median satrapies under the rebel leaders Molon and Alexander, Parthia and Bactria were nibbling at the corners, the satraps of Asia Minor (Cappadocia, Pergamon, Bythinia) were beginning to break away, and Ptolemaic Egypt was taking over Syria. Antiochus, in the span of three decades, managed to check all these threats and consolidate a restoration of the Seleucid realm, until his westward expansion (threatening to recreate Alexander’s empire) was halted by a coalition of Rome, Pergamon, Rhodes and Egypt.
So, what if Antiochus had died early into his reign, perhaps while campaigning against the Egyptians in Syria, and someone less competent takes the reins of the carriage? What could have happened? Would there be an earlier expansion of Parthia and Rome (through protectorates in Asia Minor), this time supplanted by a stronger Egypt in Syria? Would the city of Antioch still have existed? Could the Greco-Bactrians get some breathing space?
So, what if Antiochus had died early into his reign, perhaps while campaigning against the Egyptians in Syria, and someone less competent takes the reins of the carriage? What could have happened? Would there be an earlier expansion of Parthia and Rome (through protectorates in Asia Minor), this time supplanted by a stronger Egypt in Syria? Would the city of Antioch still have existed? Could the Greco-Bactrians get some breathing space?