History of France were found. When Carthaginian commander Hannibal Barca fought the Romans, he recruited several Gaulish mercenaries who fought on his side at Cannae. It was this Gaulish participation that caused Provence to be annexed in 122 BC by the Roman Republic. Later, the Consul of Gaul — Julius Caesar — conquered all of Gaul. Despite Gaulish opposition led by Vercingetorix, the Gauls succumbed to the Roman onslaught. The Gauls had some success at first at Gergovia, but were ultimately defeated at Alesia in 52 BC. The Romans founded cities such as Lugdunum (Lyon), Narbonensis (Narbonne) and allow in a correspondence between
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