Second Punic War in 217. Moving to southern Italy in 216, Hannibal at Cannae annihilated the largest army the Romans had ever assembled. After the death or imprisonment of 130,000 Roman troops in two years, 40% of Rome's Italian allies defected to Carthage, giving her control over most of southern Italy. Macedon and Syracuse joined the Carthaginian side after Cannae and the conflict spread to Greece and Sicily. From 215–210 the Carthaginian army and navy launched repeated amphibious assaults to capture Roman Sicily and Sardinia but were ultimately repulsed. Against Hannibal's skill on the battlefield, the Romans adopted the Fabian strategy – the
Battle of the Bagradas River (255 BC) Battle of the Bagradas River (255 BC) The Battle of the Bagradas River (the ancient name of the Medjerda), also known as the Battle of Tunis, was a Carthaginian victory over Rome in the spring of 255 BC during the First Punic War. The greatly superior cavalry of the Carthaginians and their allies permitted a pincer attack on the Roman infantrymen, provoking a rout and slaughter. The mercenary Spartan general Xanthippus was hired by the city of Carthage following heavy-handed negotiations by Rome. He made the Romans fight on open ground, which allowed him to maximise the effect of the