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 at La Hogue received knighthood from his father. Then he "made a right good beginning", for he rode through the Cotentin, burning and ravaging as he went, and distinguished himself at the taking of Caen and in the engagement with the force under Sir Godemar du Faÿ, which endeavoured to prevent the English army from crossing the Somme by the ford of Blanquetaque. Early on Saturday, 26 August, before the start of the battle of Crécy, Edward, Prince of Wales received the sacrament with his father at Crécy, and took the command of the right, or van, of the army