Battle of Herdonia (210 BC) Flaccus and Gn. Fulvius Centumalus). Some state that there was just one battle in fact, but there is no general agreement on this issue. Following his incursion into southern Italy in 217 BC, Hannibal defeated the Roman forces in the battle of Cannae (216 BC). This victory brought him a host of new allies from Campania, Samnium, Apulia, Lucania, Bruttium and Magna Graecia, who revolted from Rome enticed by his narrative of Roman oppression. One of these allies was the city of Herdonia in northern Apulia. It was the site of a general engagement between Hannibal and the Romans already
Gelo, son of Hiero II title of king. Livy asserts that, after the huge defeat suffered by the Romans at Cannae, Gelo was preparing to abandon the alliance of Rome for that of Carthage. According to this account, he began making friendly overtures to the cities allied to Rome and might have convinced the entire island of Sicily to defect to the Carthaginian side, had he not died later in the year of 216 BC. However, this seems quite at variance with the statement of Polybius of his uniform submission to his father's views and may very likely deserve as little credit as Livy's insinuation