오세창은 언제 대한제국의 관료가 되었는가?
During his reign from 1418 to 1450, he governed along with his father, the King Emeritus Taejong from 1418 to 1422, then governing as the sole monarch from 1422 to 1450. Since 1442, the king was increasingly ill so his son Crown Prince Munjong acted as regent for him.
1418