But 14th century African emperor Musa Keita is widely considered richest person in history ... Burkina Faso, Mali, Niger, Nigeria, and Chad. The rest of the world caught wind of his great ...

Historians estimate that he was the wealthiest person ever to have lived ... empire's borders from the Atlantic in the east to what is now Niger in the west. A devout Muslim, Mansa Musa observed ...

Nigerian billionaires Aliko Dangote, Mike Adenuga, Abdulsamad Rabiu, and Femi Otedola have recorded changes in their net worth in the last one month.