12 april International day of aerospace and aviation.

On April 12, 1961 in 6 hours and 7 minutes GMT - 9 hours and 7 minutes Moscow time Yuri Gagarin took off and made with the ship "Vostok" one lap around the Earth.Целият космически полет е продължил 1 час и 48 минути, но остава завинаги в историята на човечеството като полета на първия космонавт в света.
Here are some milestones in the use of space:

- October 4, 1957 - launched the first artificial satellite of the Earth (USSR).
- April 12, 1961 - The first flight of man in space (Yuri Gagarin, the Soviet Union).
- March 18, 1965 - first man out of the open space (Alexei Leonov, USSR).
- July 21, 1969 - the first step of man on the moon (Neil Armstrong, USA).
- April 19, 1971 - Work starts first orbital station (USSR), later - with the USA, the creation of the international station.
- March 3, 1972 - Start of the first apparatus, leaving the limits of the solar system (Pioneer-10, USA).
- April 12, 1981 - removal of the first ship to orbit reusable (Columbia, USA).