Goryeo first established formal relations with the Okinawan kingdom of [[Chuzan|Chûzan]] in [[1389]], three years before the dynasty fell, but relations are believed to have continued relatively uninterrupted through that transition. | Goryeo first established formal relations with the Okinawan kingdom of [[Chuzan|Chûzan]] in [[1389]], three years before the dynasty fell, but relations are believed to have continued relatively uninterrupted through that transition. |