
The wealth enjoyed by historical figures such as Mansa Musa, who ruled the African kingdom of Mali between 1312 and 1337, surpasses even the riches of today's billionaires like Elon Musk and Jeff Bezos. Economic historians find it challenging to quantify Musa's net worth, with estimates ranging as high as $400 billion in modern terms.
Musa's reign saw Mali become one of the wealthiest kingdoms in Africa, spanning across present-day Mali, Senegal, the Gambia, Guinea, Niger, Nigeria, Chad, Mauritania, and Burkina Faso. His strategic focus on trade and development led to the growth of cities like Timbuktu and Gao into significant cultural and educational centers.