Origin and development

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Origin and development
Date	Origin and development
Apr. 1, 1914	Part of the capital city re-transferred to Goyang ‘Inchang-bang’ and ‘Sungsin-bang’ were renamed ‘Changsin-dong’ and ‘Sung-in-dong’, respectively.
Sep. 27, 1914	Dongbu Branch installed under the municipal ordinance.
Apr. 1, 1936	Area of the capital city expanded Parts of Sung-in Myeon and Hanji Myeon in Goyang, Gyeonggi Do acquired.
Apr. 1, 1914	Part of the capital city re-transferred to Goyang ‘Inchang-bang’ and ‘Sungsin-bang’ were renamed ‘Changsin-dong’ and ‘Sung-in-dong’, respectively.
Sep. 27, 1914	Dongbu Branch installed under the municipal ordinance.
Apr. 1, 1936	Area of the capital city expanded Parts of Sung-in Myeon and Hanji Myeon in Goyang, Gyeonggi Do acquired.
Jun. 10, 1943	Guje Under the old system,-dongbu Branch subdivided between Dongdaemun Gu and SeongDong Gu.
Nov. 1, 1944	Seongbuk-dong of Jongno Gu acquired.
Aug. 13, 1949	Seongbuk Gu parted away from Dongdaemun Gu under Executive Order No. 159 (proclaimed on Aug. 13, 1948)
Apr. 18, 1955	The administrative unit of ‘Dong’ adopted under Municipal Ordinance No. 66 (21 ‘Dongs’ were created.
Jan. 1, 1963	Myeonmok-dong of SeongDong Gu acquired under Law No. 1172 (proclaimed on Nov. 21, 2962); part of Guri Myeon, Yangju, Gyeonggi Do also acquired, necessitating the establishment of Mang-u Branch (24-dongs in total).
Jan. 1, 1968	Municipal Ordinance No. 491 (proclaimed on Dec. 29, 1967) eliminated Mang-u Branch.
May 18, 1970	Municipal Ordinance No. 614 (proclaimed on May 5, 1970) changed the minimum quorum of ‘Dong’ heads and ‘Dong’ jurisdictions (28-dongs to 34-dongs in total).
Jul. 1, 1973	Part of Myeonmok-dong of Dongdaemun Gu acquired by SeongDong Gu, and part of Junggok-dong of SeongDong Gu acquired by Dongdaemun Gu under Executive Order No. 6548 (proclaimed on Mar. 12, 1973); Municipal Ordinance No. 784 (proclaimed on Jun. 26, 1973) created Myeonmok-3-dong and Myeonmok-4-dong (34-dongs to 36-dongs).
Oct. 1, 1975	The old ‘Gu’ jurisdiction changed under Executive Order No. 7816 (proclaimed on Sep. 23, 1975). Changsin-dong, Sung-in-dong, and part of Sinseol-dong of Dongdaemun Gu were transferred to Jongno Gu. Parts of Myeonmok-dong, Yongdu-dong, and Dapsimni-dong were transferred to Seongdong Gu. Bomun-dong 1-, 2-, 3-, 4-, 5-, 6-, 7-ga and part of Sinseol-dong of Dongdaemun Gu were transferred to Seongbuk Gu. Parts of Junggok-dong, Neung-dong, and Gunja-dong of Seongdong Gu were transferred to Dongdaemun Gu. Anam-dong 4- and 5-ga, and part of Seokgwan-dong of Seongbuk Gu were transferred to Dongdaemun Gu; Municipal Ordinance No. 979 (proclaimed on Sep. 29, 1975) determined the names and areas of each-dong. Parts of Junggok-dong, Neung-dong, and Gunja-dong were integrated to form Jang-an-dong. Parts of Jong-am-dong and Anam-dong 5-ga were transferred to Jegi-dong. Part of Jong-am-dong turned into Cheongnyangni-dong. Parts of Anam-dong 4- and 5-ga transferred to Yongdu-dong. Part of Seokgwan-dong transferred to Imun-dong. Part of Bomun-dong 7-ga transferred to Sinseol-dong; Municipal Ordinance No. 981 determined the minimal quorum of-dong heads,-dong names, and their jurisdictions (from 36-dongs to 32-dongs).
Sep. 1, 1977	Municipal Order No. 1181 (proclaimed on Aug. 26, 1977) created six new-dongs of Dapsimni 5; Myeonmok 6; Myeonmok 7; Sangbong 2; Jung-hwa 2; and Mang-u 2 (from 32-dongs to 38-dongs).
Oct. 10, 1978	Municipal Order No. 1287 (proclaimed on Oct. 10, 1978) transferred parts of Jang-an-dong, Beon-dong, and Yongdu 2-dong to Sinseol-dong (38-dongs to 39-dongs).
Oct. 1, 1979	Municipal Ordinance No. 1362 (proclaimed on Sep. 29, 1979) newly defined the names and areas of-dongs: Part of Yongdu-dong transferred to Jegi-dong Part of Hoegi-dong transferred to Hwigyeong-dong Part of Hwigyeong-dong transferred to Hoegi-dong Part of Sangbong-dong transferred to Mang-u-dong
Jul. 1, 1980	Municipal Ordinance No. 1413 (Mar. 31, 1980) installed-dong offices (from 39-dongs to 41-dongs): Jegi-1-dong, -2-dong and -3-dong were integrated into Jegi-1 and Jegi-2; Hwigyeong-dong divided into Hwigyeong-1 and Hwigyeong-2; Muk-dong divided into Muk-1 and Muk-2 Mang-u-2-dong divided into Mang-u-2 and Mang-u-3 Part of Myeonmok-5-dong transferred to Hwigyeong-2-dong and Jang-an-1 and -2-dongs
Aug. 8, 1985	Municipal Ordinance No. 2015 (Aug. 8, 1985) installed new-dong offices (from 41-dongs to 43-dongs). Jang-an-1 and -2-dongs divided into Jang-an-1, -2, -3, and -4.
Jan. 1, 1988	Municipal Ordinance No. 2251 (Dec. 31, 1987) newly defined the names and areas of-dongs. Myeonmok, Jung-hwa, Sangbong, Mang-u, Sinnae, and Muk transferred to Jungnang Gu.
May 1, 1988	Amended Local Self-Government Law No. 4004 (proclaimed on Apr. 6, 1988) made Dongdaemun Gu a corporate self-governing area.
Jan. 1, 1989	The part in the west of Jungnangcheon in Jung-hwa-dong, Jungnang Gu, transferred back to Dongdaemun Gu under Executive Order No. 12557. 10 ‘Bans’ in 1 ‘Tong’ in Imun-1-dong; 69 ‘Bans’ in 9 ‘Tongs’ in Imun-3-dong.