Uŭijŏng
minister of Joseon

Uŭijŏng (Korean: 우의정; Hanja: 右議政), also known as the Right State Councilor, was the Third State Councillor of the Uijeongbu (State Council) during the Joseon period of Korea (1392–1897). The Uŭijŏng was variously referred to as Usang, Ujŏngsŭng, Ugyu, Uhap, or Udae.
Uŭijŏng was the lowest of the three prime ministers, ranked senior first (jeong-il-pum; 정1품; 正一品), roughly equal to the Second Deputy Prime Minister in modern day.
The position was created in 1400 by Taejong, replacing the former position Munha Usijung (문하우시중; 門下右侍中) during Goryeo period. Its name was changed to Uŭijŏngbusa (우의정부사; 右議政府事) in 1418, then to Ŭijŏngbu Uŭijŏng (의정부우의정; 議政府右議政) in 1455.
During the Joseon dynasty, Uŭijŏng was also granted posthumously as an honorable position to fathers-in-law of Grand Internal Princes (대원군; 大院君), Grand Princes (대군; 大君), or Crown Princes' sons (세손; 世孫).
The position was abolished in 1894.
List of the Uŭijŏng
References
Lee, Ki-Baik (1984). A New History of Korea. Harvard University Press.
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