On April 12th, Russia congratulates designers, researchers, engineers, workers and cosmonauts — everyone who works in the space industry.
Cosmonautics Day is an anniversary of the first manned space flight made on 12 April 1961 by the Russian Soviet cosmonaut Yuri Gagarin.
In Poland an “International Day of Aviation and Cosmonautics” is celebrated on the same day.
Gagarin’s flight was a triumph for the Soviet space program, and opened a new era in the history of space exploration
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