oct 4, 1957 - Sputnik Oct. 4, 1957
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Sputnik was the very first artificial Earth satellite that was launched by the Soviet Union on October 4, 1957. It orbited for three weeks before its batteries died. The Sputnik launch changed everything. Sputnik caught the world's attention and the American public off-guard. The launch of Sputnik led directly to the creation of NASA.
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