Babe Ruth hits his 30th home run of the 1920 baseball season, breaking his own single-season record. He would attain 54 throughout the season, before breaking that record the next year.
- Robert Christiani, West Indian cricketer (brother of Cyril WI batsman in 22 Tests), born in Georgetown, British Guiana (d. 2005)
- Robert Mann, American composer and violinist (String Quartet 1952), born in Portland, Oregon (d. 2018)
Day of the Week: Monday
How Long Ago? 100 years, 6 months and 5 days
Leap Year: Yes