100 years. That's how long it's been since Alexander the Great died. Before we move on from Seleucus III, let's look back on the past century and our five Seleucid monarchs...

Sources for this episode are past episodes, with the exception of Diodorus Siculus for Alexander's plans. The reference for this is given below:

• Diodorus (1984), Diodorus of Sicily in Twelve Volumes. Volume IX: Books XVIII and XIX 1-65. Cambridge, Massachusetts and London: Harvard University Press and William Heinemann Ltd.