Muhammad Ali (right) wins his third heavyweight crown by defeating Leon Spinks.

On September 15, 1978, boxer Muhammad Ali defeated Leon Spinks
at the Louisiana Superdome in New Orleans to win the world heavyweight boxing title for the third time in his career, the first
fighter ever to do so. Following his victory, Ali retired from boxing,
only to make a brief comeback two years later. Ali, who once
claimed he could “float like a butterfly, sting like a bee,” left the s
port permanently in 1981.