In 865, the Great Army, apparently led by Ivar the Boneless, overwintered in the Kingdom of East Anglia, before invading and destroying the Kingdom of Northumbria. In 869, having been bought off by the Mercians, the Vikings conquered the East Angles, and in the process killed their king, Edmund, a man who was later regarded as a saint and martyr. While near-contemporary sources do not specifically associate Ubba with the latter campaign, some later, less reliable sources associate him with the l