Conversation so far:
how did Vince influence the wrestling boom?
promoters shared an understanding that they would not invade each other's territories, as this practice had gone on undeterred for decades; McMahon had a different vision.
What year did they decide not to invade each other's territories?
this practice had gone on undeterred for decades.
what happened in 1980?
On February 21, 1980, McMahon officially founded Titan Sports, and the company's headquarters were established in South Yarmouth, Massachusetts.

Question: Did he have any rivals?
Self-contained rewrite: Did  Vince McMahon have any rivals?