Event of Interest
May 1 102nd Kentucky Derby: Puerto Rican jockey Ángel Cordero Jr.wins aboard Bold Forbes, the second of 3 Derby successes
Ángel Cordero Jr.
- May 12 20th European Cup: Bayern Munich beats Saint-Etienne 1-0 at Glasgow
Event of Interest
May 16 Stanley Cup Final, The Spectrum, Philadelphia, PA: Guy Lafleur and Pete Mahovlich each have a goal and 2 assists as Montreal Canadiens beat Philadelphia Flyers, 5-3 for a 4 games series sweep
Guy Lafleur
- May 22 St Louis Cardinal Reggie Smith hits 3 HR
Boxing Title Fight
May 24 Muhammad Ali TKOs Richard Dunn in 5 for heavyweight boxing title in Munich
Muhammad Ali
- May 30 LPGA Championship Women's Golf, Pine Ridge GC: Betty Burfeindt wins her only major title, 1 stroke ahead of runner-up Judy Rankin
- May 30 Bobby Unser sets world record for fastest pit stop (4 seconds)
- May 30 Indianapolis 500: Johnny Rutherford wins in 1:42:52.466 (239.350 km/h)