The Khan dynasty refers to a series of ruling families in various regions of Asia, most notably in Mongolia and parts of China. The most famous of these is the Yuan dynasty, established by Kublai Khan, a grandson of Genghis Khan. This dynasty marked the first time that the entire country of China was ruled by a foreign power, significantly impacting Chinese culture and governance. The Khan dynasty is known for its contributions to trade, particularly through the Silk Road, which facilitated cultural and economic exchanges between East and West. The dynasty also promoted religious tolerance and advancements in arts and sciences, leaving a lasting legacy in the regions it governed.