Nyorai kupfuurira kweiyi ndima - Muna 1231, vaMongol vakatanga kupinda kwavo muKorea
mukati memishandirapamwe mikuru minomwe uye makore 39 okurwisana, asi vakanga vasingakwanisi kukunda Korea. Apedzwa simba pashure pemakumi emakore okurwa, Goryeo akatuma muchinda wayo kumuzinda weYuan kunopika kuvimbika kuvaMongol; Kublai Khan akabvuma, uye akaroora mumwe wavanasikana vake kumuchinda weKorea, uye kwemakore 80 akatevera Goryeo yakavapo pasi pehutongi hweMongol-inotongwa neYuan dynasty muChina. Marudzi maviri aya akabatana kwemakore 80 sezvo madzimambo ose akazotevera eKorea akaroora machindakadzi eMongolia, uye mambokadzi wokupedzisira wedzinza reYuan aiva muchindakadzi weKorea.