Bruno Leopoldo Francesco Sammartino was an Italian-born American professional wrestler, best known for his work with the World Wide Wrestling Federation (WWWF, now WWE). There, he held the WWWF World Heavyweight Championship (WWWF Heavyweight Championship during his second reign) for more than 11 years (4,040 days) across two reigns, the first of which is the longest single reign in the promotion's history at 2,803 days. He is overall a two-time world champion in professional wrestling.