Mansa Musa was emperor of the West African Mali Empire. Covering roughly 500,000 square miles of land, it was the biggest empire West Africa has ever known. 2. Mansa Musa is still the richest man ...

However, many believe Mansa Musa’s wealth outdoes that of all modern billionaires. Mansa Musa ruled over the Mali empire in the 14th Century, and his incredible access to gold made him arguably ...