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 I of Jawor Henry I of Jawor Henry I of Jawor (; – 15 May 1346), was a Duke of Jawor-Lwówek-Świdnica-Ziębice during 1301–1312 (with his brothers as co-rulers), sole Duke of Jawor-Lwówek since 1312 and Duke of Głogów since 1337 until his death. He was the third son of Bolko I the Strict, Duke of Jawor-Lwówek-Świdnica-Ziębice, by his wife Beatrix, daughter of Otto V the Long, Margrave of Brandenburg-Salzwedel. On the death of his father in 1301, Henry I, his older brother Bernard and his younger brother Bolko II, inherited his domains; however, because they was still a minors, Henry I and his