Elijah Muhammad offers Cassius a new name to secure his allegiance to the Nation of Islam.
Muhammad Ali takes on Cleveland "Big Cat" Williams at the Astrodome in Houston, Texas.
In 1966, Muhammad Ali met 16-year-old Belinda Boyd at a Nation of Islam bakery.
Muhammad Ali faces outlash after condemning the Vietnam War.
An all-white Houston jury found Muhammad Ali guilty of refusing the draft.
Ali's tour of Africa revealed the mighty boxer's worldwide social influence.
In an interview, Ali hinted at retiring, saying he'd rather fight for racial justice.
As Clay gained success, he was criticized for his socio-political and religious beliefs.