Gimpo Peninsula Eup. In the period of Joseon Dynasty, Gimpo Peninsula is occupied by Tongjin County and Gimpo County(including current Geomdan dong). In 1914, under the rearrangement of administrative division by Japan empires, the two counties were merged with Yangcheon County(current most part of Yangcheon District and Gangseo District of Seoul Special City) and became new Gimpo County. In 1963, part of former Yangcheon county was absorbed into Seoul but Gimpo county merges Gyeyang Myeon, formerly the district of Bucheon County. In 1989 Gyeyang Myeon was absorbed into Incheon Metropolitan City, followed by absorption of Geomdan Myeon into Incheon in 1995. It
Gimpo International Airport on Gimpo, destroying two or three of the seven Yak-7s there and damaging the runway. On 5 August 5th Air Force fighters strafed and bombed Gimpo, destroying 9 aircraft and damaging 9 others. Following the Inchon landings on 15 September 1950, the 2nd Battalion 5th Marines was ordered to seize Gimpo on 17 September. Gimpo was defended by a conglomeration of half-trained fighting men and service forces and by the morning of 18 September the Marines had secured the airfield. The airfield was in excellent shape as the North Koreans had not had time to do any major demolition. On