Top 15 World’s Richest People Of All Time – Bill Gates Is Not Even On The List

12. WILLIAM THE CONQUEROR – $228 BILLION

The first Norman ruler of England who famously invaded the kingdom in 1066, William the Conqueror seized lands and plundered treasures from Sussex to Yorkshire that would be worth $228 billion in today’s money. He spent his lavish riches on everything from tapestries to castles, including the iconic White Tower at the Tower of London.