In the Battle of Alesia (September, 52 BC), Caesar built a fortification around the city to besiege it.
According to Plutarch, Vercingetorix surrendered in a dramatic fashion, riding his beautifully adorned horse out of Alesia and around Caesar's camp before dismounting in front of Caesar, stripping himself of his armor and sitting down at his opponent's feet, where he remained motionless until he was taken away [REF].