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 Ashdown and the Anglo-Saxons were forced to retreat while the Danes pursued. The Danish armies caught up with the Anglo-Saxons on the field of Ashdown, located somewhere near the border of Oxfordshire and Berkshire (the precise location is unknown). It was January 8, 871. The weather was cold and damp, and the Berkshire Downs were soaked and boggy. King Ethelred divided his army in two, positioning the halves on either side of a ridgeway. Ethelred commanded one side, Alfred the other. As the Danes approached, they also split their army. Alfred watched as the Danes drew nearer, waiting for the order