Battle of Tarentum (212 BC) Battle of Tarentum (212 BC) The Battle of Tarentum in March 212 BC was a military engagement in the Second Punic War. The Romans had been waiting for a chance to strike at Capua, the capital of Campania in southern Italy, after it revolted against them following their defeat by the Carthaginian Hannibal at Cannae in 216 BC. Hannibal had made the city his winter headquarters, and his proximity deterred the Romans. In 212 BC, however, Hannibal was called south to Tarentum, giving the Romans a chance to strike. Hannibal hoped for a success big enough to risk the loss
Socii to raise a double-strength army of four legions and four "alae" e.g. at the Battle of Cannae in 216 BC, where each Consul commanded an army of about 40,000 men. Polybius states that the Romans and their allies could draw on a grand total of 770,000 men fit to bear arms (of which 70,000 met the property requirement for cavalry) in 225 BC, shortly before the start of the Second Punic War. The Romans reportedly asked their allies for an urgent register of all "men fit to bear arms" for a "tumultus Gallicus". Polybius' subtotals, however, are garbled, as he