Battle of Edington Guthrum, with two other unnamed kings, "departed for Cambridge in East Anglia". He made several attacks on Wessex, starting in 875, and in the last nearly captured Alfred in his winter fortress at Chippenham. By 878, the Danes held the east and northeast of England, and their defeat at the Battle of Ashdown had paused but not halted their advance. Alfred the Great had spent the winter preceding the Battle of Edington in the Somerset marsh of Athelney, the nature of the country giving him some protection. In the spring of 878, he summoned his West Saxon forces and marched
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