Feb 9 Agnès Sorel, mistress of King Charles VII of France (b. 1421) May 2 William de la Pole, 1st Duke of Suffolk, English military leader (b. 1396) May 18 Sejong the Great, 4th King of Joseon (1418-50), dies at 52 Jul 12 Jack Cade is slain in a revolt against English King Henry VI Aug 27 Reginald West, 6th Baron De La Warr, English politician (b. 1395) Share On Facebook Share On Twitter 1449 Famous Deaths by Year 1451