World Boxing Organization (as they did with several established champions in the lower weight divisions), the WBO sanctioned a fight between two relatively unknown fighters, Francesco Damiani (winner of the super heavyweight silver medal at the 1984 Summer Olympics) and Johnny DuPlooy, to determine the inaugural holder of its own heavyweight title in 1989. All other sanctioning bodies of boxing recognized the then-undefeated Mike Tyson as the undisputed heavyweight champion. Damiani, meanwhile, went on to become the first WBO heavyweight champion. At heavyweight, especially in the United States, the organization initially struggled to gain credibility as a major sanctioning body, with WBO heavyweight
AWA World Heavyweight Championship territory. The first champion was Pat O'Connor, who was recognized as the first champion upon the AWA's secession from the NWA as O'Connor held the NWA World Heavyweight Championship as well, which he won on January 9, 1959. The creation of the AWA World Heavyweight Championship along with the NWA World Heavyweight Championship would pave the way for the creation of many other world championships in other wrestling promotions. AWA Wrestling Association and the title became inactive in late 1990 and the organization officially closed down in August 1991 with the title also being decommissioned. The championship is featured in