- Conflict between England and France
 - Caused by claim to the French throne
 - Charles IV of France died in 1328 and his nephew Edward III of England was the closest male relative
 - Lasted 116 years
 - Total casualties: 2.3 - 3.5 million
 - Edwardian War: 1337-1360
 - Battle of Crécy: 1346
 - Battle of Poitiers: 1356
 - Treaty of Brétigny: 1360
 - Caroline War: 1369-1389
 - Lancastrian War: 1415-1453
 - Battle of Agincourt: 1415
 - Battle of Verneuil: 1424
 - Siege of Orléans: 1429
 - Joan of Arc captured and executed: 1431
 - Battle of Formigny: 1450
 - Battle of Castillon: 1453
 
Sources
Wikipedia: Hundred Years' War, List of wars by death toll