CASUALTY RECORD // -209 BCE
Battle of Herdonia
Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.
Casualties by side
1 sides catalogued · combined 7,000–13,000 estimated
Roman Republic
7,000–13,000
Medium-confidence figure
Battle context
The second Battle of Herdonia in 210 BC saw Hannibal encircle and destroy a Roman army operating against his Apulian allies, inflicting casualties estimated between 7,000 and 13,000 Roman dead. The defeat added to the cumulative military burden Rome had carried since Hannibal's invasion of Italy eight years earlier, and it strained relations with Rome's Italian allies, who were already exhausted by the prolonged conflict. For Carthage, the battle demonstrated that Hannibal retained the operational capacity to annihilate Roman forces in the field even as the war entered its second decade. Yet the strategic consequences were limited: within three years Roman forces had reconquered most of the territories and cities lost at the outset of the war, steadily compressing Hannibal's zone of operations toward the southwestern end of the Apennine peninsula. The battle thus stands as a Carthaginian tactical success that could not arrest the broader Roman recovery in Italy.
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