England in the Middle Ages son, William, died aboard the "White Ship" disaster of 1120, sparking a fresh succession crisis: Henry's nephew, Stephen of Blois, claimed the throne in 1135, but this was disputed by the Empress Matilda, Henry's daughter. Civil war broke out across England and Normandy, resulting in a long period of warfare later termed the Anarchy. Matilda's son, Henry, finally agreed to a peace settlement at Winchester and succeeded as king in 1154. Henry II was the first of the Angevin rulers of England, so-called because he was also the Count of Anjou in Northern France. Henry had also acquired the huge
Wars of the Roses reigned for 78 days as Edward V, but was then deposed by his uncle, who became Richard III. The final victory went to a relative and claimant of the Lancastrian party, Henry Tudor, son of Henry VI's half-brother Edmund Earl of Richmond, who defeated Richard III at the Battle of Bosworth Field. After assuming the throne as Henry VII, he married Elizabeth of York, the eldest daughter and heir of Edward IV, thereby uniting the two claims. The House of Tudor ruled the Kingdom of England until 1603, with the death of Elizabeth I, granddaughter of Henry VII and Elizabeth