On This Day, Oct. 4: Soviet Union launches Sputnik 1
Thursday, October 4, 2018 - 02:30
in Astronomy & Space
On Oct. 4, 1957, the Soviet Union launched the first man-made space satellite, Sputnik 1, igniting the Space Race.
Updated by artificial intelligence Sat, 3 Jan 2026, 15:40:35 UTC Learn more
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