The Second Syrian War has begun! However, rather predictably, it will not simply be a contest between the Ptolemies and the Seleucids; the Antigonids are going to get sucked into the hurricane of battle as well. So, this week, we're going to recap the relationship between the Antigonids and the other major powers and discuss the alliance between Antigonus II and Antiochus II against their mutual enemy...

Sources for this episode: 1) Bevan, E. (1902) The House of Seleucus (Vol I.). London: Edward Arthur. 2) Grainger, J. D., (2014), The Rise of the Seleukid Empire (323- 223 BCE), Seleukos I to Seleukos III. Barnsley: Pen & Sword Books Ltd. (eBook) [Accessed 04/01/2021]. 3) Heinen, H., Encyclopaedia Britannica (2019), Ptolemy II Philadelphus (online) [Accessed 17/06/2021]. 4) Volkmann, H., Encyclopaedia Britannica (2019), Antigonus II Gonatas (online) [Accessed 15/06/2021]. 5) Author unknown, Wikipedia (date unknown), Antigonus II Gonatas (online) [Accessed 19/06/2021]. 6) Author unknown, Wikipedia (date unknown), Battle of Cos (online) [Accessed 19/06/2021]. 7) Author unknown, Wikipedia (date unknown), Demetrius I of Macedon (online) [Accessed 15/06/2021]. 8) Author unknown, Wikipedia (date unknown), Demetrius the Fair (online) [Accessed 15/06/2021]. 9) Author unknown, Wikipedia (date unknown), Seleucus I Nicator (online) [Accessed 15/06/2021]. 10) Author unknown, Wikipedia (date unknown) Stratonice of Syria (online) [Accessed 15/06/2021]. 11) Author unknown, Wikipedia (date unknown), Syrian wars (online) [Accessed 19/06/2021].