Edward the Black Prince of Cornwall in 1337. He was guardian of the kingdom in his father's absence in 1338, 1340, and 1342. He was created Prince of Wales in 1343 and knighted by his father at La Hogne in 1346. In 1346 Prince Edward commanded the vanguard at the Battle of Crécy, his father intentionally leaving him to win the battle. He took part in Edward III's 1349 Calais expedition. In 1355 he was appointed the king's lieutenant in Gascony, and ordered to lead an army into Aquitaine on a chevauchée, during which he pillaged Avignonet and Castelnaudary, sacked Carcassonne, and plundered Narbonne.
Edward the Black Prince possible that this is where the title had its origins. The French soldier Philippe de Mézières refers to Edward as the greatest of the "black boars" – those aggressors who had done so much to disrupt relations within Christendom. Other French writers made similar associations, and Peter Hoskins reports that an oral tradition of "L'Homme Noir", who had passed by with an army, survived in southern France until recent years. In Shakespeare's "Henry V", the King of France alludes to "that black name, Edward, Black Prince of Wales". John Speed reported in 1611 that the Black Prince was so named