The turbulent reign of Stephen, King of England (1135-54), has been styled since the late 19th century as 'the Anarchy', although the extent of political breakdown during the period has since been vigorously debated. Rebellion and bitter civil war characterised Stephen's protracted struggle with rival claimant Empress Matilda and her Angevin supporters over 'nineteen long winters' when, according to the Anglo-Saxon Chronicle, 'Christ and his Saints...