RoyaltyBorn May 15, 1397

Sejong the Great

King of Joseon from 1418 to 1450

Born
May 15, 1397
Died
February 17, 1450 (aged 52)
Known as
linguist, politician, monarch

Sejong, commonly known as Sejong the Great, was the fourth monarch of the Koreanic state Joseon. He ruled from 1418 to his death in 1450. He is widely regarded as the greatest king in Korean history, and is particularly remembered for the creation of Hangul, the native alphabet of the Korean language.

Biography from Wikipedia, available under CC BY-SA 4.0.

Also born on May 15

Also born in 1397