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61 years ago Gagarin traveled into space by the rocket R7 ('Vostok') designed by Ukrainian designers and engineers. Most of the critical systems (ground and onboard) were manufactured in Ukraine. Remember that on #YurisNight ;) 
On April 12, 1961 Yuri Gagarin became the first man to fly in space. He did not get there by jumping on a trampoline, though. He was carried by a modified R-7 ICBM, called Vostok. And like any piece of equipment, Vostok had specific names standing behind it.
The R-7 was designed by Sergey Korolyov, who was born in Zhytomyr, Ukraine and was officially considered a Ukrainian. Its main engines RD-107 and RD-108 were designed by Valentin Glushko, who was born in Odesa, Ukraine and also was officially considered a Ukrainian.
इंटरनेशनल डे ऑफ ह्यूमन स्पेस फ्लाइट के अवसर पर अंतरिक्ष अनुसंधान संस्थाओं, वैज्ञानिकों तथा यूरी गागरिन जैसे अंतरिक्ष यात्रियों का अभिनन्दन करता हूं जिनके प्रयासों से अंतरिक्ष और खगोल शास्त्र के क्षेत्र में हमारे ज्ञान में उल्लेखनीय प्रगति हुई है। #Space #YurisNight
आज हम अंतरिक्ष अनुसंधान के नए युग में प्रवेश कर सके हैं जिससे विज्ञान के अन्य क्षेत्रों जैसे मौसम विज्ञान, भू विज्ञान, संचार के क्षेत्रों में महत्वपूर्ण सहायता प्राप्त हो रही है।
अंतरिक्ष पर सम्पूर्ण मानवता का साझा अधिकार है और यह हमारा साझा दायित्व है कि हम अंतरिक्ष का उपयोग मानवता के कल्याण के लिए ही करें।
On International Day of Human Space Flight, let us recollect gratefully the invaluable contribution of all the space scientists and astronauts starting from Yuri Gagarin, in extending the frontiers of human achievement and ushering in the space age. #Space #YurisNight
Space is a shared resource & and must be used for the greater good of humanity. #Space #YurisNight
On this important day, I extend my good wishes to Indian Space scientists & @isro for their contributions in space exploration and harnessing science and technology for building a secure, sustainable and prosperous world.
