The Top 10 Richest Billionaires by Year Since 1987
The richest person in the world every decade from 1820 to 2020
The richest person in the world every decade from 1820 to 2020
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The richest person in the world every decade from 1820 to 2020
The Richest People in Every Decade (1920 - 2020)
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A Billionaires' World - The New York Times
World's 10 Richest People From 2001-2020
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