Kublai Khan was a Mongol ruler who established the Yuan dynasty in China in 1279. He was the grandson of Genghis Khan, the founder of the Mongol Empire, and he came to power after his older brother, Möngke Khan, died in 1259.
Kublai Khan was a skilled military strategist and a visionary leader who sought to bring stability and prosperity to the Mongol Empire. He implemented a number of significant reforms, including the establishment of a new legal system, the introduction of a standardized currency, and the construction of new roads and canals.
One of Kublai Khan's most significant accomplishments was the conquest of the Song dynasty in southern China. He defeated the Song armies in 1279 and established the Yuan dynasty, which would rule over China for nearly a century.
Under Kublai Khan's rule, the Yuan dynasty saw significant cultural exchange between China and the rest of the world, particularly with the West. The Khan's court was a cosmopolitan place, with people from all over the world coming to live and work in his capital, Khanbaliq (now Beijing).
Kublai Khan's rule was not without its challenges, however. He faced resistance from some of the Chinese nobles, who were unhappy with the foreign rule of the Mongols. There were also a number of uprisings and revolts during his reign, including the Red Turban Rebellion of the 1350s.
Despite these challenges, Kublai Khan's rule brought about many positive changes in China. He is remembered as one of the most significant rulers in Chinese history and is credited with helping to lay the foundations for the modern state of China. So, he established the Yuan dynasty in China in 1279.