Bruno Sammartino and Bob Backlund both held the WWWF (World Wide Wrestling Federation, now WWE) Heavyweight Championship during their respective eras, marking two of the most iconic reigns in professional wrestling history. Bruno Sammartino's legendary tenure as champion spanned from 1963 to 1971, making him the longest-reigning WWWF Heavyweight Champion in history. His dominance and popularity helped establish the WWWF as a premier wrestling promotion. Bob Backlund, on the other hand, held the title from 1978 to 1983, showcasing his exceptional wrestling ability and dedication to the sport. Both Sammartino and Backlund are revered as two of the greatest champions in the history of professional wrestling, and the championship belts they held during their reigns are highly sought-after symbols of their respective legacies within the sport.