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
Five Boroughs of the Danelaw around 2700 ft ("c." 650 hides). The following burhs were not part of the Five Boroughs, but were Danish settled towns with large armies and ruled in a similar manner. These Danes often acted in allegiance with those of the Five Boroughs and the Danish King of East Anglia. First recorded invading newly ceded Mercian territories with their allies in 913, the Northampton Danes were initially very successful. However, on their return they were defeated by local Mercian forces near Luton, losing many horses and weapons. In December 914, their strength was further depleted when a number of Northampton Danes