- 1883 – The Paris Convention for the Protection of Industrial Property is signed.
- 1916 – Albert Einstein publishes his general theory of relativity.
- 1948 – With a Musicians Union ban lifted, the first telecasts of classical music in the United States, under Eugene Ormandy and Arturo Toscanini, are given on CBS and NBC.
Speaking of Einstein, almost 80,000 of Einstein’s letters and document have gone online today, released by Hebrew University from its Einstein Archive.