AWA406 - What army did Alexander Molossus have in his Italian campaigns?

In this episode of Ancient Warfare Podcast, host Murray tackles a deep-dive question from listener Taday Tomic about Alexander Molossus's army during his 334 BC invasion of Italy. Drawing parallels with Alexander the Great’s concurrent Persian campaign, Murray explores the theory of a 'two-pronged' conquest strategy orchestrated by Philip II of Macedon—eastward to Persia and westward to Italy. He details the likely composition of Alexander Molossus’s forces: a Macedonian-style phalanx of six taxis (around 9,216 men) equipped with sarissas and peltae shields, supported by elite Molossian cavalry. The invasion was framed as a defense of the Greek colony of Tarentum against Lucanian and Bruttian tribes, but ultimately failed due to unified Italian resistance. Alexander died in battle at Pandosia in 331 BC, ending the campaign. Murray reflects on the historical obscurity of this invasion, noting that later Roman authors retroactively interpreted it as aimed at conquering Rome—despite Rome being a minor power at the time. The episode serves as a cautionary tale about the fragility of military leadership and the consequences of losing a charismatic commander. Key takeaways include: Alexander Molossus likely commanded a professional phalanx modeled on Philip II’s reforms; the invasion was part of a broader strategic vision that may have included a dual conquest of Persia and Italy; the failure stemmed from tribal unity against a common external threat; and the campaign is often overlooked due to sparse evidence. Despite its short duration and lack of lasting impact, the episode highlights how military history is shaped by both facts and later interpretation.