Great Heathen Army Anglia and spent the winter of 869–70 at Thetford. There was no peace agreement between the East Anglians and the Vikings this time. When the local king Edmund fought against the invaders, he was captured and killed. In 871, the Great Summer Army arrived from Scandinavia, led by Bagsecg. The reinforced Viking army turned its attention to Wessex, but the West Saxons, led by King Æthelred's brother Alfred, defeated them on 8 January 871 at the Battle of Ashdown, slaying Bagsecg in the process. Three months later, Æthelred died and was succeeded by Alfred (later known as Alfred the Great),
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