The international Astronautical Federation announced on 4 October 1957 The day of beginning space era of humanity. In this day in 1957 in the Soviet Union on the earth orbit was launched the world's first artificial Earth satellite.
After finishing World War the Second the relations between USSR and USA are abruptly aggravated. From 1946 in the United States the nuclear plans were developed to attack USSR.
April 12, 1961 Soviet citizen Yuri Gagarin on the spaceship "Vostok" for the first time in human history has made space flight. The news of this event immediately spread through the entire planet.
