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
Alfred the Great in the following year, with varying outcomes; the places and dates of two of these battles have not been recorded. A successful skirmish at the Battle of Englefield in Berkshire on 31 December 870 was followed by a severe defeat at the siege and Battle of Reading by Ivar's brother Halfdan Ragnarsson on 5 January 871. Four days later, the Anglo-Saxons won a brilliant victory at the Battle of Ashdown on the Berkshire Downs, possibly near Compton or Aldworth. Alfred is particularly credited with the success of this last battle. The Saxons were defeated at the Battle of Basing on