Goryeo was invaded because of the Mongols in 7 major campaigns in the 1230s right up until the 1270s, but was under no circumstances conquered.[117] Fatigued just after decades of fighting, Goryeo sent its crown prince for the Yuan money to swear allegiance on the Mongols; Kublai Khan approved, and married amongst his daughters to the Korean crown prince,[117] and the dynastic line of Goryeo continued to survive under the overlordship from the Mongol Yuan dynasty as being a semi-autonomous vassal condition and compulsory ally.
Baseball and golf also are well-liked. The board video game Go, 파라곤 솔루션 recognized in Korea as baduk, has also been well known for over a millennium, initially arriving from China within the fifth century CE; baduk is performed the two casually and competitively.