Yuri’s Night was first held on April 12, 2001, on the 40th anniversary of cosmonaut Yuri Gagarin’s first flight into space and the 20th anniversary of the launch of the first space shuttle, STS-1.
The event draws tens of thousands of space explorers, artists, engineers, musicians, scientists and partygoers from around the world each year. At the flagship event hosted by the NASA Ames Research Center in 2010, over 12,000 space fans and students attended. Yuri’s Night was created by Loretta Hidalgo and George Whitesides.
In 2011, the 50th anniversary of human spaceflight, over 100,000 people attended 567 officially-recognized events in 75 countries on all 7 continents, while tens of thousands more watched the 12-hour live Yuri’s Night Global Webcast and participated online in the virtual world of Second Life.
Yuri’s Night http://yurisnight.net/