June 16, 1963Reputable sourceWell documented
Valentina Tereshkova — first woman in space
On the timeline · around June 16, 1963 ·
What happened
Tereshkova flew 48 orbits aboard Vostok 6, spending nearly three days in space on her only flight.
Why it matters
A barrier broken two decades before any other nation matched it.
Sources
- NASA GSFC. Valentina Tereshkova (StarChild biography) · Reputable source