The event was the third WrestleMania at Madison Square Garden , but the fourth to take place in the New York metropolitan area ( after WrestleMania I , WrestleMania 2 , and WrestleMania X ) . WrestleMania XX was the third WrestleMania at Madison Square Garden but the fourth to take place in the New York metropolitan area ( following WrestleMania I , WrestleMania 2 , and WrestleMania X ) .