The Battle of Alesia was a decisive Roman victory in Julius Caesar's Gallic Wars in September 52 BCE. Roman commander Julius Caesar (100-44 BCE) and his legions faced a united Gallic army under the command of Vercingetorix (82-46 BCE), chief of the Arverni, at the hilltop fort or oppidum of Alesia, in modern-day eastern France. In an impressive feat of Roman siege warfare, Caesar's army built dual...