Yun Chi-sung

Yun Chi-sung (hangul:윤치성, hanja:尹致晟 or 尹致晠, March 2, 1875, Asan - August 11, 1936) was an Imperial Korean military personnel, politician and independence activist. His nickname was Agyeon (악연, 岳淵). He was the uncle of Yun Posun, and the cousin of Yun Chi-ho and Yun Chi-Wang.

Yun Chi-sung
Born2 March 1875
Asan, Kingdom of Joseon
Died11 August 1936(1936-08-11) (aged 61)
Allegiance Korean Empire
Service/branch Imperial Korean Army
 Imperial Japanese Army (shortly)
Years of service1900-1908
RankLieutenant Colonel
Unit8th Cavalry Regiment (Japanese)
Battles/warsRusso-Japanese War
AwardsOrder of the Palgwae 3rd Class
Order of the Rising Sun 6th Class
Order of the Sacred Treasure 4th Class
RelationsFather:Yun Yeong-ryeol
Older Brother: Yun Chi-oh
Older Brother: Yun Chi-so
Younger Brother:Yun Chi-Byeong
Younger Brother: Yun Chi-Myeong
Younger Brother: Yun Chi-young
Cousin: Yun Chi-ho
Other workBusinessman
Yun Chi-sung
Revised RomanizationYun Chi(-)seong
McCune–ReischauerYun Ch'isŏng
Pen name
Revised RomanizationAgyeon


Yun was born on March 2 1875 in Asan. He was the third son of Yun Yeong-ryeol. He was one of the students sent to Japan. He entered the Keio University on 5 November 1885 and graduated in 1886 November.[1] He later returned his country[2] after being commissioned to shavetail of Imperial Korea.[3] He entered the course of becoming an officer. On 25 November 1899, Yun graduated the military academy. On 25 June 1900, Yun was appointed as cavalry Second lieutenant.[1][4] In 1905, he was veterans to the Russo-Japanese War. Returnees since worked at the Department of Defense of the Korean Empire, also appointed to department of Defense Education supervisor.[5] In 1905, he was joined to anti movement against of Japan–Korea Treaty of 1905 also he was identity of the soldiers. On 10 October 1905, Yun became part of the Ministry of Military.[1] In December 1905, Yun was removed from the Ministry of Military.[6]

On 10 January 1906, he was one of the Attaché sent to Empire of Japan as a Cavalry Captain.[7][8] While he was in Japan, Yun became a Cavalry major and received 4th Class of Order of the Sacred Treasure from Japanese Government. On 10 February 1906, Yun returned to Korea. After returning Korea, Yun became part of the Ministry of Military. On 18 October 1906, Yun was promoted to Lieutenant Colonel.[1] On 7 June 1907, Yun became Emperor Gojong's equerry.[9] On 6 September, Yun got a horse from Sunjong of Korea for his merits.[10] On 2 October 1907, Yun became the chairman of education of military education.[11] But he retired and became reserve on 31 July 1909.[12] Empire of Japan considered Yun as a person needed caution. When Yun visited Japan in 1909, Yun was watched by the Japanese Resident-General of Korea.[13] In 1908, he retired from the army and became a businessman.[2] From 1906 to 1923, Yun participated in establishments of companies in Seoul. Yun was part of the Korea Liberation Corps in 1916.[14] During the colonial period, Yun was required to cooperate with Japanese, which he refused.


  Korean Empire

  Empire of Japan


  1. ^ a b c d "한국사데이터베이스". Retrieved 2022-03-16.
  2. ^ a b 동아일보 1926년 1월 24일자 2면, 사회면
  3. ^ "한국고전종합DB". Retrieved 2022-03-08.
  4. ^ "한국고전종합DB". Retrieved 2022-03-26.
  5. ^ 정운현, 《나는 황국신민이로소이다-새로 밝혀 쓰는 친일인물사》 (개마고원, 1999) 160
  6. ^ "한국고전종합DB". Retrieved 2022-03-26.
  7. ^ "한국사데이터베이스". Retrieved 2022-03-10.
  8. ^ "한국사데이터베이스". Retrieved 2022-03-20.
  9. ^ "한국사데이터베이스". Retrieved 2022-03-29.
  10. ^ "한국고전종합DB". Retrieved 2022-03-26.
  11. ^ "한국고전종합DB". Retrieved 2022-03-26.
  12. ^ "한국고전종합DB". Retrieved 2022-03-26.
  13. ^ "한국사데이터베이스". Retrieved 2022-03-20.
  14. ^ "한국사데이터베이스". Retrieved 2022-03-20.
  15. ^ "한국고전종합DB". Retrieved 2022-03-26.
  16. ^ "조선왕조실록". Retrieved 2022-03-19.

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