বিশ্বের প্রথম মানব মহাশূন্য যাত্রা কবে সংঘটিত হয় ?
Vostok 1 was the first human spaceflight. The Vostok 3KA spacecraft was launched on April 12, 1961, taking into space Yuri Gagarin, a cosmonaut from the Soviet Union. The Vostok 1 mission was the first time anyone had journeyed into outer space and the first time anyone had entered into orbit.
April 12, 1961