1945. 10. 21. Establishment of Gangwon Provincial Police Department
1949. 02. 23. Rename of the Second District National Police Agency to Department of Kangwon Province Police Agency
1991. 08. 01. Rename as Gangwon Provincial Police Agency
1998. 07. 01. Promotion of Commissioner of Provincial Police Agency from the Police Director to the Senior Superintendent General
2005. 01. 01. Phase in for Investigation Professional System (Operation of Investigation Team in Police Station)
2006. 04. 12. Reorganize of 112 Emergency Call Center in Police Station & Public Order and Security Control Room Management
2006. 10. 26. Move to New Office Building
2013. 02. 20. Opening of Kangwon Police Education Center (Kangwon Police School → Rename of Kangwon Police Education Center)
2014. 04. 02. Establishment of Women′s and Juvenile Affairs Division
2014. 11. 21. Reorganize of 112 Emergency Dispatch Center (Provincial Police Agency ․ Division of 1st Group Police Station, Section of 2nd ․ 3rd Police Agency)
2016. 05. 11. Establishment of Head department (Termination of Deputy Head department → Transfer to 1st & 2nd Head department).
2017. 03. 13. Establishment of International Crime Investigation Unit under National Security Division
2018. 12. 05. Establishment of Financial Crime Investigation Team in 3 Police Stations(Donghae · Sokcho · Samcheok).
2023. 06. 11. Revision of the organization from Gangwon Provincial Police to Gangwon Special Self-Governing Province Polce.