Germany first observed the International Holocaust Remembrance Day.
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Leningrad's siege by Germans ended in the wake of 650,000 perished citizens.
President Donald Trump banned citizens of seven countries from entering the US.
The UK Parliament passed the Military Service Act of 1916, introducing conscription in the UK.
Apollo 1 test launch failed, and astronauts Gus Grissom, Ed White, and Roger B. Chaffee all died.
Peruvian ambassador Ricardo Rivera-Schreiber gave a warning that Japan would attack Pearl Harbor.
