Ragnar Lodbrok the Battle of Ashdown on 8 January 871, where Bagsecg was killed. Halfdan accepted a truce from the future Alfred the Great, newly crowned king of Wessex. Halfdan succeeded Bagsecg as King of most of Denmark (Jutland and Wendland) in about 871. Bjorn Ironside became King of Sweden and Uppsala in about 865, (the same year his father Ragnar is said to have died). Bjorn had two sons, Refil and Erik Björnsson. His son Erik became the next king of Sweden, and was succeeded in turn by Erik the son of Refil. Sigurd Snake-in-the-eye became King of Zealand and the
Battle of Tettenhall according to the "Anglo-Saxon Chronicle" defeated them and inflicted losses of many thousands including two or three kings. While little is known of the exact manoeuvres employed at the battle, it is obvious the allies trapped their Viking opponents and inflicted heavy casualties on them. The "Anglo-Saxon Chronicle" states that "many thousands of men" were killed, referring to the Danes. Seemingly unable to retreat, the Kings leading the Viking raid were both killed by the allied troops. With the Northern Danes subdued, the forces of Wessex and Mercia could be focused against those who had settled further south. It was