It actually started with Georgia Championship Wrestling in the 50 and 60s. Ted Turner bought the rights and made it national, with Rowdy Roddy Piper and the Vince McMahon bought it up and made the WWF.
Here is more:
https://en.wikipedia.org/wiki/Georgia_Championship_Wrestling
Should have been:
THEN Vince McMahon
The glory days...Tommy ‘Wildfire’ Rich and ‘Junkyard Dog’.