April 12 is Yuri’s Night, an annual celebration of the first manned spaceflight by cosmonaut Yuri Gagarin on 12 April 1961 and the launch of NASA's Space Shuttle Columbia 20 years later to the day.

Yuri’s Night is an official Partner of World Space Week, and we encourage everyone to participate in the hundreds of events that are taking place around the world. To join the party,  click here to find your nearest event.

Image credit: Yuri's Night