Born: Cassius Marcellus Clay, Jr.
Heavyweight Champion 1964-67... 1974-78... 1978-79
In all of boxing history, Muhammad Ali stands alone. In early boasts, he called himself "The Greatest" and by the time his storied career came to an end, most fight fans agreed. Ali had also become the best-known athlete in the world and, very possibly, the best-loved as well.
The Boxing Register