Fulk FitzWarin at the time of his death in 1197. Whittington Castle lies on the English side of Offa's Dyke, which during the Norman era and before was the border between England and Wales. The site was fortified as a castle by William Peverel in 1138, in support of Empress Matilda, the daughter of King Henry I (1100–1135), in her struggle (known as The Anarchy) for the throne against King Stephen (1135–1154), grandson of William the Conqueror. In the late 1140s the lordship of Whittington, like Oswestry and Overton ceased to be part of England and became part of the Kingdom of
History of the Constitution of the United Kingdom event completely changed the course of English history. Until 1066, England was ruled by monarchs that were elected by the "witan", (meaning "wise"). There were various elements of democracy at a local level too, known as folkmoot. Henry I of England (c. 1068 – 1 December 1135) was king from 1100 to 1135, ruling through the Curia regis. When he ascended to the throne he granted the Charter of Liberties, a series of decrees and assurances to the barons. Probably the most important statement in the charter is at the beginning, where the king admits ""that by the mercy of