Apollo 1 test launch failed, and astronauts Gus Grissom, Ed White, and Roger B. Chaffee all died.
Source
Icon of the Seas, the largest cruise ship in the world, embarked on its maiden voyage from Miami.
Leningrad's siege by Germans ended in the wake of 650,000 perished citizens.
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.
President Donald Trump banned citizens of seven countries from entering the US.
