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 Stellau Rügen in 1200, followed by an armed conflict in Dithmarschen. Duke Valdemar of Schleswig ordered his army to prepare for war and side with Denmark, ruled by his brother. Adolf led his German army from Holstein to battle in Stellau and crushed the Danes. However, when Adolf and his forces pulled back toward the city of Hamburg, he was besieged, defeated, and captured by Valdemar. In 1202, Valdemar of Schleswig became King Valdemar II of Denmark. His imprisonment of Adolf continued until 1203, when due to an illness, he was freed by the new king on the condition that he