Part of Byeonhan
Uian-gun
Uichang-hyeon
Changwondae-do hobu
Changwon-gun
Classified as Changwon City
Gyeongsangnam-do’s provincial government building was relocated
Integrated three myeons (Dong-myeon, Buk-myeon, and Daesan)
Launched the Dong System (27 eup, myeon, dong 15 eup, myeon, dong)
Launched the integrated Changwon City (Changwon, Masan, and Jinhae)