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oct 4, 1957 - Sputnik

Description:

The first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957. This surprise success precipitated the American Sputnik crisis and triggered the Space Race.

Added to timeline:

4 Jan 2018
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Date:

oct 4, 1957
Now
~ 68 years ago

Images: