Topic
Firsts
2 questions tagged Firsts — spanning every one of the seven Ws.
when
When was the first artificial satellite launched into orbit?
Sputnik 1 was launched on 4 October 1957 by the Soviet Union. It was the first human-made object to orbit Earth.
SpaceFirsts
when
When was the first winter ascent of Mount Everest completed?
The first winter ascent of Mount Everest was completed on 17 February 1980.
MountainsFirsts