Reading, Berkshire from the "Readingas", an Anglo-Saxon tribe whose name means "Reada's People" in Old English, or less probably the Celtic "Rhydd-Inge", meaning "Ford over the River". In late 870, an army of Danes invaded the kingdom of Wessex and set up camp at Reading. On 4 January 871, in the first Battle of Reading, King Ethelred and his brother Alfred the Great attempted unsuccessfully to breach the Danes' defences. The battle is described in the "Anglo-Saxon Chronicle", and that account provides the earliest known written record of the existence of Reading. The Danes remained in Reading until late in 871, when
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,