Heavyweight boxing championship records and statistics only universally recognized form of a world championship until July 2, 1921, when Jack Dempsey became the inaugural NBA Heavyweight Champion. The growing popularity of boxing led to a birth of various regional sanctioning organizations, with each recognizing their own champion. The major governing bodies were the National Boxing Association, formed in 1921, the New York State Athletic Commission, found after the Walker Law legalized prizefighting in New York in 1920, and the International Boxing Union, created in 1911 in Paris in attepmt create a unified international governing body for professional boxing. Both NBA and NYSAC made then-lineal champion Jack
NWA Mid-Atlantic Heavyweight Championship NWA Eastern Heavyweight Championship during a taping of "Championship Wrestling" on October 13, 1970. It was announced that the Missouri Mauler had defeated the defending champion Pat O'Connor in New York City to win the title; this title change was fictitious and a storyline to introduce the championship to the promotion; nevertheless, O'Connor's reign is denoted as the first official reign. Because it was fictitious, further information regarding O'Connor's reign is unavailable. On the September 6, 1973 taping of "Championship Wrestling", JCP owner Jim Crockett, Jr. announced the retirement of the NWA Eastern Heavyweight Championship and the establishment of the