1895 Gwangju-mok was renamed Gwangju-gun 1914 Uigok-myun and Wangryun-myun were integrated, and Gwangju-gun became Uiwang-myun, Suwon-gun 1936 Renamed Ilwang-myun, Suwon-gun. 1949 Changed into Ilwang-myun, Hwasung-gun. 1963 Changed into Uiwang-myun, Siheung-gun. 1980 Promoted to Uiwang-eup, Siheung-gun. 1983 The east branch office of Uiwang-eup was established. 1989 Promoted to Uiwang City from Uiwang-eup. 1993 Changed its location to the current site. 2007 Changed its name in chinese characters from 儀旺市 to 義王市 (Item 8244 of the Law)