5 SIMPLE TECHNIQUES FOR KOREA

Goryeo was invaded via the Mongols in 7 significant campaigns through the 1230s right up until the 1270s, but was by no means conquered.[117] Exhausted soon after many years of battling, Goryeo despatched its crown prince into the Yuan capital to swear allegiance towards the Mongols; Kublai Khan acknowledged, and married among his daughters on the