Have you ever wondered what happened to the Ninth Legion of the Roman army, one of the most mysterious events of ancient history? In this video, we explore the various theories and clues about the fate of the 5,000 soldiers who vanished from the records after 120 CE. Did they die in a rebellion, get transferred to another province, or survive and become a lost tribe? Watch this video to find out, and don’t forget to subscribe to Mystery History for more videos like this.