oct 4, 1957 - Sputnik-1
Description:
Sputnik-1 was the worlds first artificial satellite. The Soviet Union launched it into 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.Added to timeline:
Date:
oct 4, 1957
Now
~ 66 years ago
