The origins of April Fools' Day are unclear, but some historians believe it dates back to ancient Roman festivals that celebrated the start of spring.
In Scotland, April Fools' Day is celebrated for two days, on April 1st and 2nd, and is called "Huntigowk Day."
In 1957, the BBC aired a fake documentary about a Swiss family harvesting spaghetti from trees, which many viewers believed was real.
In 1996, Taco Bell announced that it had bought the Liberty Bell and was renaming it the "Taco Liberty Bell." The prank caused a lot of controversy, but it also generated a lot of publicity for the fast food chain.
Despite its name, April Fools' Day is not just for fools. It's a day to let loose and have some fun, and to appreciate the humor and absurdity of life.