The UK Parliament passed the Military Service Act of 1916, introducing conscription in the UK.
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Peruvian ambassador Ricardo Rivera-Schreiber gave a warning that Japan would attack Pearl Harbor.
The theory of Wave Mechanics by physicist Erwin Schrödinger was first taught in lectures.
Steve Jobs announced the Apple iPad, the company's most advanced piece of technology at the time.
Apollo 1 test launch failed, and astronauts Gus Grissom, Ed White, and Roger B. Chaffee all died.
The Vietnam War officially ended, for the US at least, after the Paris Peace Accords were signed.