- "Ain't She Sweet?" hits #1 on the singles chart by Ben Bernie
- 53rd Kentucky Derby: Linus McAtee aboard Whiskery wins in 2:06
- Cap Arcona is launched at the Blohm & Voss shipyard in Hamburg.
- The University of Chicago's local collegiate organization, Phi Sigma, becomes incorporated under Illinois law as Eta Sigma Phi, the National Honorary Classical Fraternity.
Day of the Week: Saturday