The American oil magnate John D. Rockefeller became the world 's first confirmed U.S. dollar billionaire in 1916 .
The American business magazine Forbes produces a complete global list of known U.S. dollar billionaires every year and updates an Internet version of this list in real time .
The American oil magnate John D. Rockefeller became the world 's first confirmed American dollar billionaire in 1916 .
The American business magazine Forbes produces a complete global list of known U.S. dollar billionaires every year and updates an Internet version of this list in real time .