Correct Answer : Option (B) - 1961
Yuri Gagarin, in full Yuri Alekseyevich Gagarin, (born March 9, 1934, near Gzhatsk, Russia, U.S.S.R. [now Gagarin, Russia]—died March 27, 1968, near Moscow), Soviet cosmonaut who in 1961 became the first man to travel into space.