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Sputnik is Launched (October 4, 1957)

On October 4, 1957 the Soviet Union launched Sputnik, the first artificial earth satellite, during the International Geophysical Year from Site No.1/5, at the 5th Tyuratam range, in Kazakh SSR (now at the Baikonur Cosmodrome).  This began the "Space Race" between the United States and the Soviet Union.