Sports History
May 5 Milwaukee Bucks sign #1 NBA Draft pick, star UCLA center Lew Alcindor (Kareem Abdul-Jabbar)
- May 7 2nd ABA championship: Oakland Oaks beat Indiana Pacers, 4 games to 1
- May 17 94th Preakness: Bill Hartack aboard Majestic Prince wins in 1:55.6
- May 17 Baltimore, Cleveland & Pittsburgh agree to go from NFC to AFC in NFL
- May 21 Slovan Bratislava of Czechoslovakia win 9th European Cup Winner's Cup against FC Barcelona of Spain 3-2 in Basel
- May 28 European Cup Final, Santiago Bernabéu Stadium, Madrid: AC Milan striker Pierino Prati scores 3 in 4-1 win over Ajax; second title for I Rossoneri
- May 30 Australian Derek Clayton runs world record marathon (2:08:33.6) at Antwerp, Belgium; record disputed (short course)
Indy 500
May 30 Indianapolis 500: Mario Andretti leads for 116 laps to win for car owner Andy Granatelli in record time of 3:11:14.71; breaks previous record by nearly 5 minutes