Hundred Years' War (1415–53)
The Lancastrian War was the third and final phase of the Anglo-French Hundred Years' War. It lasted from 1415, when King Henry V of England invaded Normandy, to 1453, when the English lost Bordeaux. It followed a long period of peace from the end of the Caroline War in 1389. The phase was named after the House of Lancaster, the ruling house of the Kingdom of England, to which Henry V belonged.
History of France
It has been argued that the difficult conditions the French population suffered during the Hundred Years' War awakened French nationalism, a nationalism represented by Joan of Arc (1412–1431). Although this is debatable, the Hundred Years' War is remembered more as a Franco-English war than as a succession of feudal struggles. During this war, France evolved politically and militarily.