UN Spanish Language Day
UN Spanish Language Day is held on April 23. United Nations. This event in the third decade of the month april is annual.
International Girls in ICT Day on April 22 (aims to encourage and empower girls and young women to consider studies and careers in the growing field of Information and communications technology);
UN English Language Day on April 23 (United Nations);
International Pixel-Stained Technopeasant Day on April 23 (The Day is declared by author Jo Walton, held on April 23 and first celebrated in 2007, in response to remarks made by Howard V. Hendrix stating that he was opposed "to the increasing presence in our organization the Science Fiction and Fantasy Writers of America of webscabs, who post their creations on the net for free". The purpose of the day, according to Walton was to encourage writers to post "professional quality" works for free on the internet. The name of the day originates from the assertion by Hendrix that the "webscabs" are "converting the noble calling of Writer into the life of Pixel-stained Technopeasant Wretch.");
International Day of Multilateralism and Diplomacy for Peace on April 24 (A/RES/73/127. Multilateralism, process of organizing relations between groups of three or more states);
World Veterinary Day on April 24 (Last Saturday in April);
International TableTop Day on April 24 (Celebrate on the last Saturday of April);