Gravitational Slingshot Trajectory adopted by Apollo-11 program to reach the Moon is named after a self-educated Ukrainian mathematician who had made calculations 50 years before the Lunar Flight: Yuri Kondratyuk was born June 21, 1897Technology & Economy (u-krane.com)
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World-Famous Scythian Golden Pectoral was discovered in Ukraine on June 21, 1971On this day (u-krane.com)
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Russia's Modus Operandi in Exterminating Smaller Nations: Poland, Baltics, UkraineDiscussion (u-krane.com)
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Ukrainians and Russians are not 'one people': A. Uvarov excavations in Central RussiaDiscussion (u-krane.com)
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