May 23rd
- 1844 – Edward William Cornelius Humphrey born.
- 1868 – Kit Carson died, aged 58.
- 1883 – Leonatus won the 9th Kentucky Derby.
- 1914 – William O'Connell Bradley died, aged 67.
- 1918 – Noah Mullins born.
- 1924 – Bette Henritze born.
- 1924 – Bill McCutcheon born.
- 1928 – Rosemary Clooney born.
- 1944 – John C. Squires died, aged 19.