Battle of Cannae Battle of Cannae The Battle of Cannae () was a major battle of the Second Punic War that took place on 2 August 216 BC in Apulia, in southeast Italy. The army of Carthage, under Hannibal, surrounded and decisively defeated a larger army of the Roman Republic under the consuls Lucius Aemilius Paullus and Gaius Terentius Varro. It is regarded both as one of the greatest tactical feats in military history and as one of the worst defeats in Roman history. Having recovered from their losses at Trebia (218 BC) and Lake Trasimene (217 BC), the Romans decided to engage
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