- 130th Kentucky Derby: Stewart Elliott wins aboard Smarty Jones. North American wagering records smashed ($142m on 12-race card)
- Cyprus, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia join the European Union, celebrated at the residence of the Irish President in Dublin.
Giants outfielder Barry Bonds sets MLB record for being intentionally walked 4 times in a 9-inning game during 6-3 defeat of Florida in SF
- Charli D'Amelio, American dancer considered TikTok's biggest star, born in Norwalk, Connecticut
Day of the Week: Saturday
How Long Ago? 17 years, 4 months and 16 days
Leap Year: Yes
Holidays: Labour Day (India)