What records did Tommy Hearns set?

Question

• The first man ever to win four world titles in four weight classes (1987-10-29): from 147 to 154 to 175 to 160 to be the first ever Quadruple Champion in boxing.
• The first man ever to win five world titles in five different boxing divisions: (1988-11-04): from 147 to 154 to 175 to 160 to 168. The first ever Quintuple Champion in boxing.
• The first man to win a world title at welterweight (147) and then later win a world title at super middleweight (1988-11-04).
• The first man to win a world title at welterweight (147) and then later win a world title at light-heavyweight (1987-03-07).
• The first man to win a world title at super welterweight (154) and then later win a world title at super middleweight (1988-11-04).
• The first man to win a world title at super welterweight (154) and then later win a world title at light-heavyweight (1987-03-07).
• The first man to win a world title at middleweight (160) and then later win a world title at super middleweight (1988-11-04).
• The first man to win a world title at super middleweight (168) and then later win a world title at light heavyweight title (1991-06-03).
• The first man to win a world title at light heavyweight (175) and then later win a world title at middleweight (1987-10-29).
• The first man to win a world title at light heavyweight (175), win a world title at middleweight and later win another light heavyweight title (1991-06-03).