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* e^π − π is an {{w|irrational number}}. It was proven by {{w|Yuri Valentinovich Nesterenko}} in the late 20th century.

...e, and high officials of the Soviet Union, including General Secretary {{w|Yuri Andropov}}, were thought to be highly suspicious of a U.S. attack.

...120 to 850 feet (260 m). In comparison the {{w|Vostok 1}} mission of {{w|Yuri Gagarin}} reached orbital velocity of 17,500 mph (28,000 km/h), a minimum a

...first manned spaceflight in 1961, when the {{w|Soviet Union}} launched {{w|Yuri Gagarin}} into space, with the United States responding in kind a few month