History of Persia History of Persia

168: Xerxes, Arsakes, and Beyond

Jul 27, 2026 · 33m

Summary

This episode details Antiochus III’s eastern campaign, beginning with the subjugation of Sophene and the appointment of his son as co-king. The narrative then focuses on the invasion of Parthia, where Antiochus defeated Arsakes II through strategic maneuvering and the siege of Syrinx. Ultimately, Antiochus secured Parthia as a vassal state before turning his attention toward the Greco-Bactrian kingdom.

Topics discussed

Intro, CIA ad, and recap of Achaeus's fall Antiochus III prepares for eastern campaign Geography of Armenia and Sophene Siege of Arsamosada and Xerxes' surrender Preparations for war against Parthia and Bactria Arsakes I, Parthian culture, and coinage Greco-Bactrian civil war and Seleucid army composition March through the desert and capture of Hecatompylos Parthian tactics and the march through Alborz Battle at Mount Labanus and retreat to Tambrax Siege of Syrinx and Parthian surrender Aftermath: Parthia as vassal and move to Bactria Outro, sponsor ads, and Oldest Stories promo
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