Mezue ahịrịokwu na-esonụ: N'afọ 936, Wang Geon, onye si n'agbụrụ Goguryeo, jikọtara alaeze atọ ndị ọzọ, onye guzobere Goryeo dị ka onye nọchiri Goguryeo. Balhae dara na alaeze Khitan na 926, na afọ iri ka nke ahụ gasịrị, eze ikpeazụ nke Balhae gbagara n'ebe ndịda na Goryeo, ebe Wang Geon nabatara ya nke ọma ma tinye ya n'ezinụlọ na-achị achị, si otú a na-eme ka mba abụọ nke Goguryeo. Dị ka Silla, Goryeo bụ steeti nwere ọdịbendị dị elu, ma mepụta ígwè obibi akwụkwọ metal na-agagharị agagharị. Mgbe o merisịrị alaeze ukwu Khitan, nke bụ alaeze kachasị ike n'oge ya, na Goryeo <unk> Khitan War, Goryeo nwere oge ọla edo nke were otu narị afọ, n'oge nke Tripitaka Koreana gwụchara ma nwee nnukwu mmepe na ibipụta akwụkwọ na ibipụta akwụkwọ, na-akwalite mmụta na ịgbasa ihe ọmụma na nkà ihe ọmụma, akwụkwọ, okpukpe, na sayensị; site na 1100, enwere mahadum 12 nke mepụtara ndị ọkà mmụta na ndị ọkà mmụta sayensị a ma ama. Otú ọ dị,
Ndị Mongol wakporo alaeze ahụ n'ihe dị ka narị afọ atọ gara aga. Ndị Mongol emeribeghị Goryeo, mana ike gwụrụ ya mgbe afọ iri atọ nke ịlụ ọgụ gasịrị, ụlọ ikpe Korea zigara onye isi okpueze ya na isi obodo Yuan iji ṅụọ iyi ịkwado Kublai Khan, onye nabatara, ma lụọ otu n'ime ụmụ ya nwanyị na onye isi okpueze Korea. Site mgbe ahụ gawa, Goryeo nọgidere na-achị Korea, ọ bụ ezie na ọ bụ onye enyemaka nke ndị Mongol ruo afọ 86 sochirinụ. N'oge a, mba abụọ ahụ jikọtara ọnụ dịka ndị eze Korea niile mechara lụọ adaeze Mongol, na eze nwanyị ikpeazụ nke usoro ndị eze Yuan bụ adaeze Korea. N'etiti narị afọ nke 14, Goryeo chụpụrụ ndị Mongol iji nwetaghachi ókèala ya dị n'ebe ugwu, merie Liaoyang nwa oge, ma merie mwakpo nke Red Turbans. Otú ọ dị, na 1392, Ọchịagha Yi Seong-gye, bụ́ onye e nyere iwu ịwakpo China, tụgharịrị ndị agha ya ma mee ngagharị iwe.