What happened during Vercingetorix’s Great Rebellion against Julius Caesar?

In 52 BCE, Vercingetorix, a chieftain of the Arverni tribe, led a major uprising against Julius Caesar to resist Roman rule in Gaul. After being elected general of a confederation of Gallic tribes, Vercingetorix initially employed guerrilla warfare and successfully defended the hill-fort of Gergovia against Roman forces.21

Following a failed attack on the Roman army, Vercingetorix retreated with 80,000 troops to the fortress of Alesia. Caesar responded by constructing an extensive system of fortifications, including two lines of walls to besiege the city and repel a massive Gallic relief force. Despite a desperate attempt by the relief army to break the siege, the Romans defeated them and forced the surrender of Alesia.21

Vercingetorix surrendered to Caesar, was taken to Rome in chains, and was eventually executed. This defeat marked the final major conflict of the Gallic Wars, effectively securing Roman authority over the entire region.213