Answer
Jack Dempsey, known as the "Manassa Mauler," passed away on May 31, 1983, at the age of 87. A legendary figure in boxing history, Dempsey held the World Heavyweight Championship from 1919 to 1926 and was renowned for his aggressive fighting style and iconic knockout victories. Throughout his career, he captivated audiences with his power and charisma, solidifying his place as one of the greatest boxers of all time.