Birthdays in Music
- Harold Spina, American composer, born in NYC, New York (d. 1997)
- Helene Costello, American dancer and actress (Love Toy), born in NYC, New York (d. 1957)
- Lluís Maria Millet, Catalan composer, born in Barcelona, Spain (d. 1990)
June 21, 1906 in Music History
Day of the Week: Thursday