History of France / Middle AgesPhilip II of France (also Philip Augustus of France) at the Battle of Bouvines on July 27th 1214.(The Battle of Bouvines; which took place on 27 July 1214; was a medieval battle which ended the 1202-1214 Anglo-French War. It was fundamental in the early development of France in the Middle Ages by confirming the French crown's sovereignty over the Angevin lands of Brittany and Normandy. Philip Augustus of France defeated an army consisting of Imperial German; English and Flemish soldiers; led by Otto IV; Holy Roman Emperor in the north. Allied with Philip was King John of England who was forced afterwards to agree to the Magna Carta by his discontented barons. Philip was himself able to take undisputed control of most of the territories in France that had belonged to King John of England; Otto's maternal uncle and ally).Colour lithography; 19th Century (Private collection).