Monarchy of the United Kingdom which resulted in a Danish monarchy for one generation. The conquest of England in 1066 by William, Duke of Normandy, was crucial in terms of both political and social change. The new monarch continued the centralisation of power begun in the Anglo-Saxon period, while the Feudal System continued to develop. William was succeeded by two of his sons: William II, then Henry I. Henry made a controversial decision to name his daughter Matilda (his only surviving child) as his heir. Following Henry's death in 1135, one of William I's grandsons, Stephen, laid claim to the throne and took power with
Henry Borwin I, Lord of Mecklenburg Lion in Lüneburg, and Henry Borwin I succeeded him as Lord of Mecklenburg. Shortly before Pribislav's death, Henry Borwin I married Matilda, a daughter of Henry the Lion. For several years, Henry Borwin I fought a war with his cousin Nicholas I. His father-in-law was unable to assist him during this war. This lack of outside assistance attracted the attention of King Canute VI of Denmark, who used the situation to expand his position on the Baltic Sea coast. The Danes took Henry Borwin I prisoner. He had to cede Rostock to Denmark and accept Canute VI as his liege