The first crew arrived at the International Space Station onboard a Soyuz spacecraft.
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Soyuz TM-31 was launched, carrying the first crew to reside long-term on the International Space Station.
The first-ever international crewed space mission was jointly launched by the US and the USSR.
NASA's Discovery Space Shuttle carried the Hubble Space Telescope into orbit.
The first all-female spacewalk took place.
Europe's Planck spacecraft found evidence that our universe is 13.8 billion years old.
