Funniest April Fools’ Day Jokes – April Fool’s Day or April Fool’s Day is an annual ritual on April 1 that includes practical jokes and hoaxes. “April Fool!” On the recipient. These pranks may include mass media, which may be revealed as of the next day. The day is not a public holiday in any country except Odessa in Ukraine, where April is the first official city holiday. The custom of setting aside one day to play harmless mischiefs on neighbors has historically been relatively common in the world.