NOT KNOWN FACTUAL STATEMENTS ABOUT KOREA

Goryeo was invaded via the Mongols in seven significant campaigns from your 1230s until eventually the 1270s, but was hardly ever conquered.[117] Fatigued after decades of fighting, Goryeo sent its crown prince for the Yuan funds to swear allegiance to the Mongols; Kublai Khan acknowledged, and married amongst his daughters into the Korean crown pr