This event marked the launch of the Sputnik 37 satellite, a Soviet spacecraft launched in 1962. The satellite was part of the Soviet Union's ambitious space program, and it was the first satellite to be launched into Earth's orbit. The launch of the Sputnik 37 satellite marked a
From Wikipedia
Sputnik 1, often referred to as simply Sputnik, was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program. It sent a radio signal back to Earth for three weeks before its three silver-zinc batteries became depleted. Aerodynamic drag caused it to fall back into the atmosphere on 4 January 1958.