Russia has celebrated April 12th as the Day of Cosmonautics for the last 49 years, but this year, and from hereon for evermore, April 12th will be celebrated as the International Day of Human Space Flight.
"The International Day of Human Space Flight (12 April) was declared to celebrate each year at the international level the beginning of the space era for humankind, reaffirming the important contribution of space science and technology in achieving sustainable development goals and increasing the well-being of States and peoples, as well as ensuring the realization of their aspiration to maintain outer space for peaceful purposes."
Google honors the achievement with a worldwide Google Doodle April 12.
YouTube is celebrating the day by with a curated homepage which spotlights footage about Yuri Gagarin and the first manned mision into space, and follows suit with todays Google Doodle with a unique YouTube logo.
And, the first Orbit, a film made to commemorate the 50th anniversary of the first man in space, and celebrate the first International Day of Human Space Flight is being featured on YouTube today.