Respuesta :

Answer:

On October 4, 1957, the Soviet Union launched Sputnik, the world's first artificial satellite.

Answer: Sputnik 1

Explanation: Why did you have to report my answer mate, chill out.  The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957, orbiting for three weeks before its batteries died, then silently for two more months before falling back into the atmosphere.