International Day of Human Space Flight
The International Day of Human Space Flight (in other official languages of the UN: Russian. Международный день полета человека в космос, Spanish. Día Internacional de los Vuelos Espaciales Tripulados, French. Journée internationale du vol spatial habité), which is also Cosmonautics Day in Russia and other countries, is the annual celebration, held on April 12, of the anniversary of the first human space flight by Yuri Gagarin. It was proclaimed at the 65th session of the United Nations General Assembly.