Steve Jobs announced the Apple iPad, the company’s most advanced piece of technology at the time.
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Germany first observed the International Holocaust Remembrance Day.
The theory of Wave Mechanics by physicist Erwin Schrödinger was first taught in lectures.
Apollo 1 test launch failed, and astronauts Gus Grissom, Ed White, and Roger B. Chaffee all died.
The first of 126 nuclear tests started at the Nevada Test Site.
Leningrad's siege by Germans ended in the wake of 650,000 perished citizens.
