International Day Of Human Space Flight 2024. Since 2011, 12 april every year is celebrated as the international day of human space flight. Hear united nations champion for space scott kelly and unoosa director simonetta di pippo discuss international day of human space flight and unoosa's work.

The united nations designates april 12 as international day of human space flight, commemorating yuri gagarin’s historic journey in 1961 and emphasizing space. In 2024, the theme of the international day of human space flight is ‘encourage scientific curiosity’.