| 1407 |
Opening of Busan-po (Busan Port) ▷ Same year as Naei-po in the 7th year of Taejong of Joseon |
| 1419 |
Closure ▷ Tsushima Island Campaign in the 1st year of Sejong of Joseon |
| 1443 |
Opening ▷ Along with Je-po and Yeom-po under the Treaty of Gyehae |
| April 1592 |
Closure ▷ Gyeongsang Jwasuyeong Naval Station after the outbreak of the Imjin War |
| February 26, 1876 |
Opening ▷ Treaty of Ganghwa |
| 1906–1910 |
Korean Empire (1) Land reclamation (2) Single-track railway pier works (3) Customs office and warehouse establishment |
| 1911–1944 |
Construction of Lighter Wharfs 1, 2, 3, 4, 5, 6, 8, as well as Piers 1, 2, 3, 4, and Central Pier, including revetments |
| 1959–1964 |
Construction of Lighter Wharf 7 |
| 1963–1967 |
Construction of lighter wharf at South Port |
| 1974–1978
|
Construction of Piers 7, 8, Yanggok (Grain) Pier, International Passenger Terminal, and Domestic Passenger Terminal; reconstruction of Piers 1, 2
|
| 1974–1982
|
Construction of Jaseongdae Container Piers (5, 6)
|
| 1979–1982
|
Reconstruction of Piers 3, 4, Central Pier, and Lighter Wharf 5
|
| 1979–
|
Development of Gamcheon-hang (Gamcheon Port)
|
| 1985–1991
|
Construction of Shinseondae Container Pier
|
| 1991–1997
|
Construction of Gamman Container Pier
|
| 1992–1999
|
Creation of Inland Container Depot
|
| 1995–
|
Development of Busan New Port
|
| 1996–
|
Expansion of Gamman Container Pier
|
| May 1999
|
Privatization of Jaseongdae Pier
|
| February 2002
|
Opening of Shin-Gamman Pier
|
| January 2006
|
Opening of 3 berths at Busan New Port
|
| February 2006
|
Opening of 1 berth at Shinseondae Pier
|
| January 2007
|
Opening of 3 additional berths at Busan New Port
|
| March 2009
|
Opening of 4 additional berths at Busan New Port
|
| May 2009
|
Opening of 3 additional berths at Busan New Port |
| January 2010 |
Opening of 4 additional berths at Busan New Port (South Container Phase 2-2) |
| April 2012 |
Opening of 4 additional berths at Busan New Port (South Container Phase 2-3) |
| August 2013 |
Construction of West Container hinterland (Phase 1) / Completed November 2018 |
| December 2015 |
Construction of South Container hinterland / Completed January 2024 |
| December 2016 |
Construction of South Container Pier (Phases 2-4, 3 berths) / Completed May 2022 |
| January 2017 |
Opening of 2nd hinterland road (Ungdong–Jinrye JC) |
| August 2019 |
Construction of West Container Pier (Phases 2-6, 2 berths) / Completed August 2024 |
| June 2020 |
Completion of Todo Island removal |
| June 2021 |
Construction of West Container North Feeder Pier (1 berth) / Completed June 2024 |