- May 3 28th Kentucky Derby: Jimmy Winkfield on Alan-a-Dale wins in 2:08.75
- May 10 Dutch soccer club FC Blauw-Wit (Blue-White) is formed in the Kinkerbuurt area of Amsterdam; merge with VV De Beursbengels in 2015
- May 22 36th Belmont: John Bullman aboard Mastermam wins in 2:22.6
- May 27 27th Preakness: L Jackson aboard Old England wins in 1:45.8
- May 31 Australia Cricket all out 36 v England, Edgbaston, their lowest ever