History of Chungcheongnam-do

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Table explaining the history of Chungcheongnam-do
Prehistoric Age ~
Three Hans Period		 Prehistoric Age Paleolithic remains dating back from the 10th Century BC to tens of thousands of years ago were found in Seokjang-ri, Gongju. This indicates that human history in Chungcheongnam-do started from the Paleolithic Age.
Three Hans Period It is estimated that about fifteen states, including Mokji state (Jiksan, Cheonan) among the 54 states of Mahan were distributed in the Chungcheongnam-do region.
475 The capital of Baekje was moved from Hanseong (Seoul) to Wungjin (Gongju) in the first year of King Munju’s reign.
578 The capital of Baekje was moved from Wungjin (Gongju) to Sabi (Buyeo) in the 16th year of King Seong’s reign.
660 Baekje was collapsed by the Silla and Tang Allied Forces in the 20th year of King Uija’s reign and Wungjin Commandery was established.
671 Reorganized as Soburiju (Sabiju) in the 11th year of King Munmu’s reign.
686 Renamed Wungcheonju in the 6th year of King Sinmun’s reign.
757 Renamed as Wungju in the 16th year of King Gyeongdeok’s reign. Later Three States Period Included in the region of the Later Baekje established by Gyeonhwon
983 Gongjumok was established by the 12-Mok System in the 3rd year of King Seongjong’s reign after Goryeo unified the Later Three States.
1106 Yanggwangchungchenogju-do was established by combining three provinces, Gwannae-do, Chungwon-do and Hanam-do, among ten provinces.
1171 Yanggwangju-do and Chungcheongju-do were divided.
1314 Chungcheongju-do was merged into Yanggwang-do again.
1356 Renamed Chungcheong-do in the 6th year of King Gongmin’s reign (It is estimated that Yanggwangchungcheongju-do was called both Yanggwang-do and Chungcheong-do for short at the end of the Goryeo period)
Joseon Period 1396 Yanggwang-do was divided into two provinces, Gyeonggi-do and Chungcheong-do.
1505 Chungcheong-do was renamed Chunggong-do.
1550 Chunggong-do was renamed Cheonghong-do (since then, Chungcheong-do was renamed as Gongcheong-do, Chungcheong-do, Gonghong-do, Cheonghong-do and Gongchung-do).
1834 Gongchung-do was renamed Chungcheong-do again.
Aug. 4, 1896 Eight Guns were divided into 13 Guns (Chungnam was established).
1930~1940s Oct. 1, 1932 The provincial office was moved from Gongju to Daejeon.
Oct. 1, 1938 Nonsan-myeon of Nonsan-gun and Janghang-myeon of Seocheon-gun were promoted to Eup (1 Bu, 14 Guns, 6 Eups and 167 Myeons).
Nov. 1, 1940 Yesan-myeon of Yesan-gun was promoted to Eup (1 Bu, 14 Guns, 7 Eups, 165 Myeons)
Oct. 1, 1941 Onyang-myeon of Asan-gun and Hongseong-myeon of Hongseong-gun were promoted to Eup (1 Bu, 14 Guns, 9 Eups, 163 Myeons).
1960~1970s Jan. 1, 1960 Buyeo-myeon of Buyeo-gun was promoted to Eup (1 City, 14 Guns, 12 Eups, 16 Myeons)
Jan. 1, 1963 Geumsan-gun of Jeollabuk-do was incorporated into Chungnam. Yeonmu-myeon of Nonsan-gun was promoted to Eup. Cheonan-eup was promoted to a city (2 Cities, 15 Guns, 15 Eups, 164 Myeons)
Jul. 1, 1973 Sapgyo-myeon of Yesan-gun, Hapdeok-myeon of Dangjin-gun, Taean-myeon of Seosan-gun and Seonghwan-myeon of Cheonwon-gun were promoted to Eup.
May 1, 1979 Seocheon-myeon of Seocheon-gun and Cheongyang-myeon of Cheongyang-gun were promoted to Eup (2 Cities, 2 Gus, 15 Guns, 23 Eups, 156 Myeons).
1980~1990s Dec. 1, 1980 Anmyeon-myeon of Seosan-gun was promoted to Eup (2 Cities, 2 Gus, 15 Guns, 24 Eups, 155 Myeons)
Feb. 15, 1983 The border lines of 15 Eups and Myeons were adjusted (2 Cities, 2 Gus, 15 Guns, 23 Eups, 154 Myeons)
Oct. 1, 1985 Seonggeo-myeon of Cheonan-gun was promoted to Eup (2 Cities, 2 Gus, 15 Guns, 24 Eups, 153 Myeons)
Jan. 1, 1986 Gongju, Daecheon and Onyang-eup were promoted to cities.
Jan. 1, 1989 Daejeon-si and Daedeok-gun were promoted to Daejeon directly controlled city. Seosan-eup was promoted to the city and separated from Seosan-gun.
Feb. 1, 1990 Gyeryong branch of Chungcheongnam-do was established.
Jan. 1, 1995 Eight cities and provinces, Gongju-si, Gongju-gun, Daecheon-si, Boryeong-gun, Onyang-si, Asan-gun, Seosan-si and Seosan-gun, were integrated into four cities (5 Cities, 11 Guns).
May 10, 1995 Cheonan-si and Cheonan-gun were integrated into Cheonan-si (5 Cities, 10 Guns)
Mar. 1, 1996 Nonsan-gun was promoted to Nonsan-si (6 Cities, 9 Guns, 22 Eups, 147 Mhyeons, 37 Dongs)
2000~Present Sep. 19, 2003 Gyeryong Branch was promoted to Gyeryong-si (2 Myeons, 1 Dong)
Mar. 18, 2005 Special Act on Administrative City Construction was promulgated (around Nam-myeon, Geumnam-myeon and Dong-myeon in Yeongi-gun and Janggi-myeon and Banpo-myeon in Gongju-si).
Feb. 12, 2006 The site for movement of the provincial office was determined (around Sapgyo-eup, Yesan-gun and Hongbuk-myeon, Hongseong-gun).
Jan. 1, 2012 Dangjin-gun was promoted to Dangjin-si (2 Eups, 9 Myeons, 3 Dongs)
Jul. 1, 2012 Yeongi-gun and Janggi-myeon, Uidang-myeon and Banpo-myeon of Gongju-si were separated and promoted to Sejong Special Self-Governing City.
Jan. 2, 2013 The provincial office was moved from Daejeon to Naepo New City.