Israeli Knesset chose April 13 as the official Holocaust Remembrance Day.
Source
The first Space Shuttle mission was launched.
The 'Twentieth Century Dinosaurs' exhibit opened at the Smithsonian Institution Museum of Natural History.
The Zimbabwean dollar was suspended indefinitely.
Project Starshot was announced by Yuri Milner, Stephen Hawking, and Mark Zuckerberg.
The world's first person visited space.
