Babe Ruth becomes the first baseball player to hit 60 home runs in a season.
The cornerstone is laid at Washington National Cathedral in Washington, D.C., 83 years later, on the same day, it is completed.
Sir Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
The physics journal Annalen der Physik received Albert Einstein‘s paper “Does the Inertia of a Body Depend Upon Its Energy Content?”, introducing mass–energy equivalence.
The first Shriners Temple (called Mecca) is established in New York City.
Leonardo Torres Quevedo successfully demonstrates the invention of the Telekino in the port of Bilbao, guiding a boat from the shore, in what is considered the birth of the remote control.
Compu-Serve launches the first consumer internet service, which features the first public electronic mail service.
Nintendo Koppai (Later Nintendo Company, Limited) is founded by Fusajiro Yamauchi to produce and market the playing card game Hanafuda. The name Nintendo can be roughly translated from Japanese to English as “leave luck to heaven”.
The television sitcom Friends debuts on NBC.
Galileo mission is voluntarily terminated by sending the probe into Jupiter‘s atmosphere, where it is crushed by the pressure.