ORDER OF BATTLE // -249 BCE
Siege of Lilybaeum
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 110,000 estimated
Rome
100,000
Medium-confidence figure
Carthage
10,000
Medium-confidence figure
Battle context
The siege of Lilybaeum, lasting nine years from 250 to 241 BC, was one of the defining operational commitments of the First Punic War. By 250 BC, Roman advances across Sicily had reduced Carthaginian territorial control to just two cities — Lilybaeum and Drepana — both on the western coast of the island. Lilybaeum's position on the coast allowed Carthage to supply and reinforce the garrison by sea, neutralizing Rome's advantage in land forces and transforming what might have been a swift reduction into a protracted contest of attrition and naval power. The siege thus forced Rome to confront the fundamental problem that had shaped the entire Sicilian campaign: that decisive victory over Carthage required naval supremacy, not merely superiority on land. The eventual resolution of the siege, coinciding with the broader conclusion of the First Punic War in 241 BC, marked the end of Carthaginian control over Sicily and the outcome of a war that had been fought primarily on and around the island since 264 BC.
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