The Anarchy The Anarchy The Anarchy was a civil war in England and Normandy between 1135 and 1153, which resulted in a widespread breakdown in law and order. The conflict was a succession crisis precipitated by the accidental death of William Adelin, the only legitimate son of Henry I, in a shipwreck in 1120. Henry's attempts to install his daughter, the Empress Matilda, as his successor were unsuccessful and on Henry's death in 1135, his nephew Stephen of Blois seized the throne with the help of Stephen's brother, Henry of Blois, Bishop of Winchester. Stephen's early reign was marked by fierce fighting
Henry I of England now had the best claim to the throne. William of Breteuil championed the rights of Robert, who was still abroad, returning from the Crusade, and to whom Henry and the barons had given homage in previous years. Henry argued that, unlike Robert, he had been born to a reigning king and queen, thereby giving him a claim under the right of porphyrogeniture. Tempers flared, but Henry, supported by Henry de Beaumont and Robert of Meulan, held sway and persuaded the barons to follow him. He occupied Winchester Castle and seized the royal treasury. Henry was hastily crowned king in Westminster