oct 4, 1957 - Sputnik launched

Description:

Description: Launched by the Soviets, Sputnik was the world’s first satellite. Its primary function was to place a radio transmitter into orbit around the Earth.
Significance: The launch of Sputnik resulted in an escalation in the arms race (as both the Soviet Union and the US were working diligently to create new technology) as well as increasing tensions between the two.

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