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
World Heavyweight Championship (WWE) December 15, 2013, to unify the titles. Subsequently, the WWE Championship was renamed WWE World Heavyweight Championship. The unified championship retained the lineage of the WWE Championship, and the World Heavyweight Championship was retired. With his victory over John Cena, Randy Orton became the final World Heavyweight Champion. Like with the Undisputed Championship, the Big Gold Belt was used in tandem with the WWE Championship belt to represent the WWE World Heavyweight Championship until a single belt was presented to then champion Brock Lesnar in August 2014. The following is a list of dates indicating the transitions of the World