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
Early Middle Ages had broken down, and the Roman army comprised mainly barbarians and soldiers recruited for a single campaign. The general decline in discipline also led to the use of smaller shields and lighter weaponry. Not wanting to share the glory, Eastern Emperor Valens ordered an attack on the Therving infantry under Fritigern without waiting for Western Emperor Gratian, who was on the way with reinforcements. While the Romans were fully engaged, the Greuthung cavalry arrived. Only one-third of the Roman army managed to escape. This represented the most shattering defeat that the Romans had suffered since the Battle of Cannae (216