Joe Frazier’s legendary knockout punch of Muhammad Ali in the 11th round of their first fight, known as The Fight of the Century, is remembered as one of boxing’s greatest moments. On March 8, 1971, Frazier emerged victorious from the historic fight, landing a punishing left hook that sent a stunned Ali to the canvas.

The moment cemented Frazier’s place in boxing history and has been immortalized in film, art, and literature, solidifying the fight’s legacy as one of the greatest of all time. As he walked back to his corner after the knockout, Frazier knew he had achieved something special.

It’s been nearly 50 years since that iconic fight and it remains an integral part of boxing lore.