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
Sanitation in ancient Rome sanitation artifacts of the ancient world. Most sources believe it was built during the reign of the three Etruscan kings in the sixth century BC. This "greatest sewer" of Rome was originally built to drain the low-lying land around the Forum. It is not known how effective the sewers were, especially in removing excrement. From very early times the Romans, in imitation of the Etruscans, built underground channels to drain rainwater that might otherwise wash away precious topsoil, used ditches to drain swamps (such as the Pontine Marshes), and dug subterranean channels to drain marshy areas. Over time, the Romans