Question: Boxing in the 1980s was filled with important fights, events and personalities that shaped the sport, WBO and which one of how many major organizations recognized by the International Boxing Hall of Fame (IBHOF) which sanction world championship boxing bouts, began operating?
Sentence (from "History of boxing in the Philippines"): On the other hand, professional boxing have produced 40 major world champions (including those of Filipino heritage), one of the most in the world.
Relevant evidence: No