Israeli Knesset chose April 13 as the official Holocaust Remembrance Day.
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The world's first person visited space.
The first Space Shuttle mission was launched.
Cardinal Bellarmine condemned Galileo for stating that the earth revolved around the sun.
Rock Around The Clock by Bill Haley and His Comets was recorded.
Project Starshot was announced by Yuri Milner, Stephen Hawking, and Mark Zuckerberg.
