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 Ashdown the surrounding countryside. Alfred reputedly took his favourite white mare and rode up onto Blowingstone Hill (near Kingston Lisle), where stood an ancient perforated sarsen stone, called the "Blowing Stone". Anyone with the appropriate skill could generate a booming sound from this stone, by blowing into one of its holes. Alfred took a deep breath and was able to sound the alarm across the downs. All over the surrounding country, men were woken and gathered to defend their homes. In late 870, King Ethelred led the army of Wessex against the Danes in their stronghold at Reading. The attack failed,