Yuri Gagarin's single orbit of Earth 50 years ago this month ushered in the era of human spaceflight.
Gagarin's 108-minute flight was another major propaganda coup for the Soviet Union, which had successfully launched the first satellite - Sputnik - in 1957.
The launch on 12 April 1961 took place from what is now Baikonur Cosmodrome in Kazakhstan
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