April Fools' Day is observed on April 1 every year internationally. On April 1st, people prank each other putting them in hilarious situations. People also send each other funny messages and witty fools' day greetings. The day has various stories of origin and historical references on how April Fools' Day came into existence. We hope you don't fall victim to any such pranks and hope you have a safe April Fools' Day!