Rubuta ci gaba ga wannan sakin layi - A karni na 9, Silla ta kafa rundunar soja a tsibirin don yaki da fashin teku. Kwamandan su, Wang Geon, ya kafa martabarsa ta soja a sansanin soja, kuma daga baya ya ci gaba da kafa Masarautar Goryeo. A karni na 13, kotun Goryeo ta nemi mafaka a tsibirin yayin da sojojin Mongol suka mamaye shi a 1232
Ka yi haƙuri. Bayan da Goryeo ya mika wuya ga Mongols, manyan dakarun da ke tsibirin suka tashi, suka fara tawaye na Sambyeolcho.