King Sejong the Great or Sejong Daewang (1937-1450), the fourth king of the Korean Yi dynasty, reigned 1418-1450, in whose reign the hangeul script was invented
King Sejong the Great or Sejong Daewang (1937-1450), the fourth king of the Korean Yi dynasty, reigned 1418-1450, in whose reign the hangeul script was invented