Israeli Knesset chose April 13 as the official Holocaust Remembrance Day.
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Project Starshot was announced by Yuri Milner, Stephen Hawking, and Mark Zuckerberg.
The first Space Shuttle mission was launched.
Shapur I became co-emperor of the Sasanian Empire with his father Ardashir I.
Hillary Clinton announced her candidacy for US President.
The Zimbabwean dollar was suspended indefinitely.
