Historical Events
- 4th Kentucky Derby: Jimmy Carter aboard Day Star wins in 2:37.25
Famous Birthdays
- Glenn Hammond Curtiss, American inventor (hydroplane) and founder of the US aviation industry, born in Hammondsport, New York (d. 1930)
- Louis de Visser, Dutch Communist politician (CPN), born in Rotterdam, Netherlands (d. 1945)
About May 21, 1878
Day of the Week: Tuesday
How Long Ago? 145 years, 11 months and 8 days
Leap Year: No
Star Sign: Gemini
