World Aviation and Cosmonautics Day
On April 12, 1961, the world's first spacecraft-satellite "Vostok" with a man on board was launched into the earth's orbit. The launch of the world's first manned spacecraft was led by Sergei Korolev, Anatoly Kirillov, Leonid Voskresensky.
In November 1968, at the 61st General Conference of the International Aeronautical Federation, it was decided to celebrate April 12 as World Aviation and Astronautics Day. The celebration of this day was confirmed by the decision of the Council of the International Aviation Federation, adopted on April 30, 1969 on the proposal of the USSR Aviation Sports Federation.