International Wrestling Enterprise
Thesz was the first wrestler to ever hold the NWA International Heavyweight Championship, which became a part of what is now the Triple Crown Heavyweight Championship under All Japan Pro Wrestling. Thesz was also the first UWA World Heavyweight Champion for the now defunct Universal Wrestling Association in Mexico, where he won the title after defeating Mil Máscaras on July 26, 1976. Thesz was the first ever TWWA World Heavyweight Champion for the now defunct International Wrestling Enterprise as well. Thesz and "The Outlaw" (Dory Funk Sr.) were the first ever NWA Pacific Coast (Vancouver) Tag Team Champions.