April Fool's Day in the USA
Americans play small tricks on friends and strangers alike on the first of April. One common trick on April Fool's Day, or All Fool's Day, is pointing down to a friend's shoe and saying, "Your shoelace is untied." Teachers in the nineteenth century used to say to pupils, "Look! A flock of geese!" and point up. School children might tell a classmate that school has been canceled. Whatever the trick, if the innocent victim falls for the joke the prankster yells, "April Fool! "