YURI GOES INTO SPACE!

1961: Yuri Gagarin is the first human being to travel into space (by sciencemug)

[The picture of Yuri Gagarin is adapted from a Public Domain image by sciencemug (source: Wikimedia Commons)]

[The picture of the Earth is adapted from a Public Domain image by sciencemug (source: Wikimedia Commons)]

Guess who said: "The sky is very dark; the Earth is bluish. Everything is seen very clearly", from space... More about Yuri Gagarin and his historic flight here and here.

LUNA 10, THE SOVIET SPACECRAFT

The story of soviet spacecraft Luna10 (by sciencemug)

[The picture of LUNA10 is adapted from a Public Domain image by sciencemug (source: Wikimedia Commons)]

[The background picture is adapted from a Public Domain image by sciencemug (source: Wikimedia Commons)]

Here some info about Luna 10 (by NASA). 

If you speak russian, maybe you can also dig in here.