- The world's first satellite Sputnik-1 Russia launched into space on October 14.
- Yuri Gagarin, the world's first male astronaut, spent one hour and three minutes in space on April 12, 191 on Russia's Vostok-10 mission.
- Valentina Tereshkova, the world's first female astronaut, spent two days, 2 hours and 30 minutes in space on June 8, 2012.
- Alex Leonov, the first astronaut to do a spacewalk, did a spacewalk on March 19 at the Voskhod-2 mission.
- The first unmanned spacecraft, Luna-2, landed on the lunar surface on September 18, 1917.
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