1) When did Yuri Gagarin orbit the earth?
a) 5 October 1957
b) 6 June 1959
c) 4 November 1960
d) 12 April 1961
2) Which spacecraft was used by Yuri Gagarin to orbit the earth?
a) Luna 7
b) Luna 8
c) Vostok 1
d) Vostok 2
3) From where did the spacecraft carrying Yuri Gagarin take off?
a) Moscow
b) Leningrad
c) Vladivostok
d) Baikanour