Syntethic Chronology
- October 4th, 1957: the USSR orbit the first artificial satellite (Sputnik 1)
- October 11th, 1957: the USA orbit their first artificial satellite (Pioneer 1)
- November 3rd, 1957: the USSR carry into orbit the fist living being, a small dog called “Laika”, with the satellite Sputnik 2
- April 12th, 1961: the Soviet cosmonaut Jurij Gagarin is the first man in space