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April 12 is Cosmonauts' Day - the day when Russia celebrates accomplishments in space. The holiday is commemorated on April 12, because this is the day when in 1961, Yury Gagarin became the first human to fly into space. In 2011, the United Nations declared April 12 the International Day of Human Space flight.
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Yuri Gagarin: Per aspera ad astra

Daria Donina, Ekaterina Turysheva

Yuri Gagarin, the first human in space, would have celebrated his 80th birthday this March 9th. RBTH remembers the most important steps in his journey "per aspera ad astra"

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