There are many public officials working in various sections of Busan City.
Public officials were selected by exam based upon their ability to execute Civic Administration and Affairs. At present, approximately 2,600 public officials are working in Busan City Hall.
Due to the resignation of Busan Mayor Oh Geo-don, the Busan Metropolitan City government is under the administration of Acting Mayor Byeon Sung-wan. A by-election for the Busan mayor plans to be conducted in April 2021.
|Paleolithic Age||Ruins discovered from the late Paleolithic Age in Jwa-dong, Jung-dong and Cheongsapo in Haeundae|
|Neolithic Age||Scattered ruins (shell mounds) from the Neolithic Age in Dongsam-dong, Jeo-do and Yeongseon-dong along the coastlines|
|Bronze Age||Scattered ruins from the Bronze Age in Banyeo-dong, Oncheon-dong, Nopo-dong within low hilly districts around streams|
|Iron Age||Scattered shell mound ruins in Dongnae and burial mounds in Bokcheon-dong, Guseo-dong and Nopo-dong|
|Samhan Era, the Three Kingdom Period||Scattered ruins (Ancient Tombs in Bokcheon-dong, Ancient Tombs in Yeonsan-dong) from the Three Kingdom Period|
|Year 685||Surrounding area incorporated into Geochilsanguk under the reorganization of the local system into the gu, gun and hyeon system during the Unified Silla Period|
|Year 757||Geochilsanguk reorganized into Dongnae-gun|
|Year 1018||Dongnae-gun downgraded to Dongnae-hyeon under the governance of Ulju|
|Year 1151||Jeong Seo exiled to his hometown of Dongnae|
|Year 1387||Dongnaeeupseong Fortress rebuilt|
|Year 1397||Busanjin established|
|Year 1407||Opening of Naeipo (modern Jinhae) and Busan-Po (Busan Port) for the first time.|
|Year 1574||Dongnae-hyeon upgraded to Dongnae Dohobu|
|Year 1607||Dumo-po Waegwan established|
|Year 1655||Dongnae Dokjin (Dongnae Military Camp) upgraded|
|Year 1678||Waegwan moves to Choryang|
|Year 1702||Geumjeongsanseong Fortress rebuilt|
|Year 1731||Dongnaeeupseong Fortress rebuilt|
|Year 1876||Opening of the Busan Port as the result of Japan-Korea Treaty of 1876|
|Year 1877||Japanese settlements in Busan established|
|Year 1907||Dongnae Branch of National Debt Redemption Movement founded|
|Year 1910||Japanese encroachment upon Korean national sovereignty|
|Year 1914||Busan Administrative System Established|
|Year 1919||An Huije establishes Gimi Yukyeonghoe (Gimi Scholarship Society)|
|Year 1920||Bak Jaehyeok bombs the Busan Police Station|
|Year 1936||The 1st Administrative District Expansion.
(Seomyeon area in Dongnae-gun and Amnam-dong incorporated into Busan)
|Year 1942||The 2nd Administrative District Expansion.
(Dongnae-eup and Saha-myeon incorporated into Busan)
Branches in Dongnae, Saha and Suyeong established
|Year 1945||Established Gyeongsangnam-do headquarters for the preparation of Korean independence
U.S. Army Forces Stationed in Busan - XXⅣ Corps (40th Division), 300 troops
|Year 1949||Busan Administrative System discontinued and changed into the City of Busan|
|Year 1950||Busan becomes the Provisional Capital during the Korean War|
|Year 1953||Outbreak of massive fire at Busan Station|
|Year 1955||Population of Busan reaches 1,000,000|
|Year 1957||Implementation of the Gu (Administrative District Unit) System.
6 Gus (Jung-gu, Seo-gu, Dong-gu, Yeongdo-gu, Busanjin-gu, Dongnae-gu)
|Year 1963||Busan reclassified as Jikalsi under the control of the central government
The 3rd Administrative District Expansion.
(Gupo-eup Dongnae-gun, Sasang-myeon, Buk-myeon, Gijang-myeon incorporated into Busan)
|Year 1975||Nam-gu created as part of the reorganization of administrative districts|
|Year 1978||The 4th Administrative District Expansion.
(Dajeo, Myeongji, Garack incorporated into Busan)
Buk-gu created as part of the reorganization of administrative districts
|Year 1979||Busan-Masan Democratic Uprising|
|Year 1980||Haeundae-gu created as part of the reorganization of administrative districts|
|Year 1988||Geumjeong-gu created as part of the reorganization of administrative districts
Execution of self-governing administrative system
|Year 1989||Noksan, Gimhae, Garak, Chenga and Changwon incorporated into Busan
Gangseo-gu created as part of the reorganization of administrative districts
|Year 1995||Busan reclassified into metropolitan city from Jikalsi
Reorganization of Administrative Districts (15 Gus, 1 Gun)
(Yeonje-gu, Suyeong-gu, Sasang-gu and Gijang-gun created. Gijang-gun incorporated into Busan)
|Year 1998||Opening of City Hall in Yeonsan-dong (moved from Jungang-dong)|