What is the birth date of XXX?
Dongmyeong of Goguryeo
King Dongmyeong of Goguryeo (58 BCE -- 19 BCE, r. 37 BCE -- 19 BCE) or Dongmyeongseongwang (Hangul: 동명성왕; hanja: 東明聖王), which literally means Holy King of the East, also known by his birth name Jumong (Hangul: 주몽; hanja: 朱蒙), was the founding monarch of Goguryeo, the northernmost of the Three Kingdoms of Korea.
58 BCE