Muhammad Ali 21 during an elimination bout following Rocky Marciano's retirement. Mike Tyson broke both records in 1986 when he defeated Trevor Berbick to win the heavyweight title at age 20. Soon after the Liston fight, Clay changed his name to Cassius X, and then later to Muhammad Ali upon converting to Islam and affiliating with the Nation of Islam. Ali then faced a rematch with Liston scheduled for May 1965 in Lewiston, Maine. It had been scheduled for Boston the previous November, but was postponed for six months due to Ali's emergency surgery for a hernia three days before. The fight
Imad al-Dawla Muhammad ibn Ali Imad al-Dawla Muhammad ibn Ali Imad al-Dawla Muhammad ibn Ali (), was an Iranian military officer from the Bu Halim Shaybani family, who served as the commander-in-chief in India under the Ghaznavids. Imad al-Dawla Muhammad belonged to the Bu Halim Shaybani family; he was the son of a certain Ali, and had a brother named Rabi ibn Ali. The last mentioned member of the Bu Halim before Imad al-Dawla Muhammad was Najm al-Din Zarir, who was the son of Bu Halim, the eponymous founder of the family. Imad al-Dawla Muhammad and his brother are first mentioned during the reign of