Battle of Cynwit Ealdorman of Devon and the English forces not only succeeded in killing Ubba, but they also captured the "Hrefn", the Raven banner. While the "Anglo-Saxon Chronicle" only briefly mentions the battle, it does draw attention to the capture of the banner, which is interesting considering that it does not single out any other trophy captured by the English in the many other victories they had against the Danes. The battle appears in "The Marsh King", a children's historical novel by C. Walter Hodges, where its location is called "Kynwit". Although this novel is about King Alfred, it gives due credit
Battle of Marton and that the Danes were initially put to flight, but at the end of the day and after "much slaughter" the Danes remained masters of the field. Among the fallen was Bishop Heahmund. It was the last of the battles known to be fought by Æthelred against the Danes that year, and the defeated King is reported to have died on 15 April 871. Whether he died in battle, or as a result of wounds suffered in battle is unclear. The site of the battle is unknown. Suggestions include the borders of the London Borough of Merton, Merton in Oxfordshire,