Every year on April 1st, we wear our jester hats for laughter. But do you know the origins of April Fools' Day? It may trace back to medieval Europe! When Pope Gregory XIII changed New Year’s to January 1st, those still celebrating in April were called "April fools." This day has evolved from harmless pranks to a global spectacle. Curious about famous tricks like the spaghetti tree prank? Dive into the fun of April Fools' Day!