oct 4, 1957 - Sputnik

Description:

The Soviet Union inaugurates the “Space Age” with its launch of Sputnik, the world’s first artificial satellite. The spacecraft, named Sputnik after the Russian word for “satellite,” was launched at 10:29 p.m. Moscow time from the Tyuratam launch base in the Kazakh Republic. Sputnik had a diameter of 22 inches and weighed 184 pounds and circled Earth once every hour and 36 minutes.