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TheBattleofIlmosanseongbyWangGeonandGongjik’sRol

Kim, Myeongjin 1

1경북대학교

Accredited

ABSTRACT

now in Munui-myeon, Cheongwon-gun, Chungbuk) was at a strategic location that initially belonged to Hubaekje. At the end of the Shilla Kingdom,Gongjik atMaegoksanseong was self-reliantand subjugated to Gung Ye. When Wang Geon was crowned king in June 918, Gongjik maintained friendly relations with him for a while.Butthe two drifted apart because of the rebellion in September 918 involving Kyeongjong,Gongjik’sbrotherinlaw. When Gongjik’syoung son and Kyeongjong were executed,GongjikbetrayedGoryeo,subjugatinghimselftoGyeonHwon. Hubaekje’s strong military force was backed up by Ilmosanseong,Maegoksanseong and Samyeonsanseong in the Chungcheong region that served as a horizontalline ofdefense and attack againstGoryeo.Wang Geon hadtobreak through thisline,soIlmosanseongwashisfirsttarget. In 925,Yu Geum-pilinitiated attackson thefortress(Yeonsanjin Battle),killing only Kil-hwan, the Castellan. In 928, Wang Geon personally attackedSamyeonsangseongonlytofail. However,hewon theBattleofGochanggun in January930,establishing Cheonan-bu as a new military base.Sensing a crisis,Gongjik betrayed GyeonHwonandsubjugatedhimselftoWangGeon. With Maegoksanseong under his jurisdiction, Wang Geon launched a second attack on Ilmosanseongin July932only tofail.Around November 932,thethird attack madehim victorious.Itwasraretoattack a single fortress three times in the period ofunification wars.In September934,WangGeonachievedvictoryattheBattleofUnju. With victory at the Battle ofIlmosanseong, Wang Geon isolated the impregnable Samyeonsanseong and deployed his troops forward into Hubaekje. Much of the credit for that victory obviously belonged to Gongjik.

Citation status

* References for papers published after 2023 are currently being built.