The wealth of this man far exceeds that of the world's richest people today, including Elon Musk and Jeff Bezos.

the man who cemented Mongol rule over China and established the Yuan Dynasty. When Marco Polo wrote about Kublai Khan in his Travels, he described a ruler of vast influence, wisdom, and curiosity.

The Mongol rule became increasingly less stable after 1294 when Kublai Khan died and succession became a problem. In the period between 1308-1333 there were eight emperors; two were assassinated and ...