- Boston's Bill Dinneen no-hits Chicago White Sox, 2-0
The physics journal Annalen der Physik publishes Albert Einstein's paper "Does the Inertia of a Body Depend Upon Its Energy Content?", introducing the equation E=mc².
- Ernest Baier, German figure skater (Olympic gold 1936)
- Vjekoslav Kaleb, Yugoslavia, writer (Splendor of the Fabric)