Around the time of the Gallic invasion of Europe under Brennus in 278, a group of Gauls under Leonnorius or Lutarius headed east to Thrace. This wouldn’t have been a problem for the Seleucids, had Nicomedes of Bithynia- the head of the anti-Seleucid coalition- not invited the Gauls into Anatolia. This week, Antiochus has to deal with the consequences…
Sources for this episode: 1) Bevan, E. R. (1927), The House of Ptolemy. London: Methuen Publishing Ltd. 2) Bevan, E. R., (1902), The House of Seleucus (Vol. I). London: Edward Arthur. 3-5) Wikipedia articles for Zipoites II, Nicomedes I of Bithynia and Leonnorius (online) [Accessed 23/03/2021]. 6) Strootman, R. (2013), Antiochus I Soter. The Encyclopaedia of Ancient History (1st edition), p.473- 475. London: Blackwell Publishing Ltd. 7) The Editors, Encyclopaedia Britannica (2020), Antiochus I Soter (online) [Accessed 26/03/2021]. 8-9) Wikipedia articles for Antiochus I Soter and Seleucus II Callinicus (online) [Accessed 26/03/2021].
NOTE: The Encyclopaedia Britannica states that the Gauls crossed over into Anatolia independent of their enlistment by the anti-Seleucid league. However, as I haven’t seen this interpretation elsewhere, I’ve not included this in the main narrative.