Stephen, King of England In 1138, Robert renounced his fealty to Stephen and declared his support for Matilda, triggering a major regional rebellion in Kent and across the south-west of England, although Robert himself remained in Normandy. In France, Geoffrey of Anjou took advantage of the situation by re-invading Normandy. David of Scotland also invaded the north of England once again, announcing that he was supporting the claim of his niece the Empress Matilda to the throne, pushing south into Yorkshire. Anglo-Norman warfare during the reign of Stephen was characterised by attritional military campaigns, in which commanders tried to seize key enemy castles in
John, King of England administrators whilst his brother was participating in the Third Crusade. Despite this, after Richard died in 1199, John was proclaimed King of England, and came to an agreement with Philip II of France to recognise John's possession of the continental Angevin lands at the peace treaty of Le Goulet in 1200. When war with France broke out again in 1202, John achieved early victories, but shortages of military resources and his treatment of Norman, Breton, and Anjou nobles resulted in the collapse of his empire in northern France in 1204. John spent much of the next decade attempting to regain