Kublai Khan moved his capital from Mongolia to Beijing ... between the Gobi Desert and the Great Wall of China. At the beginning of the 13th century, they sided with Genghis Khan and became ...

The Mongols, led by Kublai Khan (the grandson of Genghis Khan), captured the geographically important city of Xiangyang after a six-year siege. By 1279, the Song dynasty was finished. In a final ...