Which battle led to Caesar's complete control over Gaul?

The Battle of Alesia, which took place in 52 BC, is widely considered the decisive military engagement that led to Julius Caesar's complete control over Gaul. During this battle, Caesar's legions laid siege to the Gallic stronghold of Alesia, which was defended by a confederation of Gallic tribes under the leadership of Vercingetorix. Despite facing a larger Gallic force both inside Alesia and a relief army outside, Caesar's troops succeeded in defeating the Gauls. Vercingetorix surrendered, marking the end of organized resistance to Roman rule in Gaul and securing Caesar's supremacy over the territory.

Julius Caesar's campaign in Gaul, which began in 58 BC, was a series of military operations aimed at expanding the Roman Republic's territories and increasing Caesar's own power and prestige. Gaul was a region roughly equivalent to modern-day France, Belgium, and parts of neighboring countries. The Gallic Wars lasted for about eight years and involved numerous battles and skirmishes. Caesar's legions faced fierce resistance from Gallic tribes that were not accustomed to Roman rule. The Gauls were known for their warrior culture and had a strong sense of independence.

Throughout the campaign, Caesar demonstrated his military genius through his innovative tactics, engineering feats, and strategic acumen. The siege of Alesia is often cited as one of his greatest military achievements due to the formidable challenges he faced, including the need to build extensive fortifications to encircle the city and the Gallic relief forces. The victory at Alesia proved to be a turning point in the Gallic Wars, and it effectively marked the end of resistance to Roman dominion in the region. This accomplishment solidified Caesar's reputation as a military commander and had significant consequences for Roman politics, as it increased Caesar's power and contributed to the political rivalries that eventually led to the end of the Roman Republic and the rise of the Roman Empire.