Muhammed Ali  was born in 17,January 1942 he is an American farmer professional boxer. Ali changed his name after joining the Nation of Islam in 1964. In 1967 three years after  Ali won the World Heavyweight Championship he was publicly vilified for his refusal to be conscripted into the U.S military   refused to go because of religious beliefs and because the call him (nigger) .His Nicknamed “The Greatest” during his prim ali involved in several historic boxing matches and he won .