Background knowledge The long-lasting Anglo-French conflict In 1066, William, Duke of Normandy, France, conquered England and became King William I of England. After the Norman Conquest, French manners and culture predominated among the English nobles In 1154 King Henry recovered the English throne. Thereafter the holdings of English kings in France were greatly increased At one time, France assisted Scotland, over which the English kings attempted to dominate. These sources of friction led to intermittent fighting between the two countries from 1294 to 1337Background knowledge The long-lasting Anglo-French conflict In 1066, William, Duke of Normandy, France, conquered England and became King William I of England. After the Norman Conquest, French manners and culture predominated among the English nobles. In 1154 King Henry II recovered the English throne. Thereafter the holdings of English kings in France were greatly increased. At one time, France assisted Scotland, over which the English kings attempted to dominate. These sources of friction led to intermittent fighting between the two countries from 1294 to 1337