Antiochus III the Great
Antiochus III "the Great" |
|
|---|---|
| Born | c. 241 BC Susa, Seleucid Empire |
| Died | 3 July 187 BC Susa, Seleucid Empire |
| Father | Seleucus II Callinicus |
| Mother | Laodice II |
| Dynasty | Seleucid |
| Reign | 223â187 BC |
| Predecessor | Seleucus III Ceraunus |
| Successor | Seleucus IV Philopator |
| Spouse | Laodice III Euboea of Chalcis |
| Issue |
Antiochus |
| Occupation | King of the Seleucid Empire |
| Religion | Greek polytheism |
Antiochus III the Great (c.â¯241â¯BC â 3 July 187â¯BC) was the sixth ruler of the Seleucid Empire, reigning from 223â¯BC to 187â¯BC. He inherited a fragmented realm at age eighteen and spent much of his reign attempting to restore Seleucid authority across Asia Minor, Persia, Parthia, Bactria, and CoeleâSyria. His eastern campaigns mirrored Alexander the Great's and therefore earned him the epithet âthe Greatâ, and he adopted the royal Persian title Basileus Megas (âGreat Kingâ).
Antiochus III rebuilt the empire in the east but ultimately failed in his attempt to challenge Roman power in Greece and Asia Minor. His defeat at Thermopylae (191â¯BC) and Magnesia (190â¯BC) forced him to surrender most of Asia Minor and pay a massive indemnity, marking the beginning of Seleucid decline.
Early Life
Antiochus was born around 241â¯BC near Susa in the eastern Seleucid domains. He was the son of Seleucus II Callinicus and Laodice II.
When his elder brother Seleucus III Ceraunus was assassinated in 223â¯BC, Antiochus (then about eighteen) succeeded to the throne. He inherited an empire weakened by rebellions, territorial losses, and rival claimants.
Reasserting Control in the East
Antiochus spent his early reign suppressing revolts by satraps Molon and Alexander in Media and Persis. After personally leading a campaign, he defeated them and restored central authority.
He then campaigned across Atropatene, Parthia, Bactria, and as far as the Kabul valley, renewing diplomatic ties with the Indian king Sophagasenus. These eastern successes earned him the title âthe Great.â
Fourth Syrian War
Antiochus fought the Fourth Syrian War (219â216â¯BC) against Ptolemaic Egypt, gaining control of SeleuciaâinâPieria, Tyre, Ptolemais, and much of CoeleâSyria and Phoenicia. He was defeated at Raphia (217â¯BC) by Ptolemy IV, but later regained the initiative.
Campaigns in Asia Minor
His cousin Achaeus declared himself king in Asia Minor, forcing Antiochus into a prolonged siege of Sardis. After two years, he captured the city and executed Achaeus, restoring Seleucid control.
War with Rome
Antiochus IIIâs ambitions in Greece brought him into conflict with the Roman Republic. Declaring himself the âchampion of Greek freedom,â he entered Greece in 192â¯BC with advice from the exiled Carthaginian general Hannibal.
He suffered decisive defeats at:
- Thermopylae (191â¯BC)
- Magnesia (190â¯BC)
The Treaty of Apamea (188â¯BC) forced him to abandon all territory north of the Taurus Mountains and pay a massive indemnity of 15,000 talents.
Death
Antiochus III died in 187â¯BC near Susa during an eastern expedition. According to sources, he was killed while attempting to loot a temple, ending a reign marked by both restoration and overreach.
Legacy
Antiochus III was the last Seleucid king to seriously attempt to rebuild Alexanderâs former empire. His eastern campaigns restored prestige, but his defeat by Rome permanently shifted the balance of power in the Hellenistic world.