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First artificial Earth satellite, USSR

First human in space, USSR

First manned Moon landing, USA

First spacecraft to impact the Moon, USSR

First manned mission to orbit the Moon, USA

First woman in space, USSR

First successful flyby of Mars, USA

First spacecraft to achieve a soft landing on the Moon, USSR

Launch date of Sputnik 1, USSR

First American in space, USA

First spacecraft to reach the vicinity of the Moon, USSR

First woman in space, USSR

Date when Apollo 11 landed on the Moon, USA

First American spacewalk, USA

First to circle the Moon and return to the Earth, USSR

Successful failure due to an in-space accident, USA

First living being in orbit, USSR

First successful soft landing on another planet (Venus), USSR

Date Yuri Gagarin became the first human in space, USSR