Conversation so far:
how did Vince McMahon influence the wrestling boom?
Vince McMahon shaped the WWF into a unique sports entertainment brand that reached out to family audiences while attracting fans who had never before paid attention to pro wrestling.
What year did regional wrestling rivals decide not to invade each other's territories?
The various promoters shared an understanding that they would not invade each other's territories, as this practice had gone on undeterred for decades before 1980

Question: what happened in 1980?
Self-contained rewrite: what happened in 1980 regarding the wrestling boom and Vince McMahon?