1446 books

Hunminjeongeum () is a 1446 work that formally introduced the first native Korean alphabet. That alphabet was originally also called "Hunminjeongeum", although it is now widely called "Hangul" (international spelling; spelled in South Korea "Hangeul") or "Chosŏn'gŭl" (in North Korea).

commentary on the Hunminjeongeum, the original promulgation of hangul