Bonne of Artois and Margaret III, Countess of Flanders. Philip was killed at the Battle of Agincourt in 1415, against the English king Henry V, who won the battle against Charles d'Albret and Charles VI of France. Their eldest son Charles succeeded as Count of Nevers. However, due to the child's minority, Bonne acted as regent from 1415 until 1424. She succeeded her aunt Jeanne d'Artois as Mademoiselle de Dreux and as Dame de Houdain. After Philip's death, Bonne married his nephew Philip the Good, Duke of Burgundy, on 30 November 1424 at Moulins-les-Engelbert. His first marriage to Michelle of Valois had produced
English longbow in England in the period between the Norman conquest and the reign of Edward III, but that powerful longbows shooting heavy arrows were a rarity until the later 13th century. Whether or not there was a technological revolution at the end of the 13th century therefore remains in dispute. What is agreed, however, is that the English longbow as an effective weapon system evolved in the late 13th and early 14th centuries. The longbow decided many medieval battles fought by the English and Welsh, the most significant of which were the Battle of Crécy (1346) and the Battle of Agincourt