6029375 The Gaulish chieftain Vercingetorix imprisoned by the Romans after surrendering to Julius Caesar at the Siege of Alesia in 52 BC (engraving) by French School, (19th century); Private Collection; (add.info.: The Gaulish chieftain Vercingetorix imprisoned by the Romans after surrendering to Julius Caesar at the Siege of Alesia in 52 BC. Illustration for La France et les Francais a Travers les Siecles by Augustin Challonel (Roy, 1882).); by Look and Learn.