What Is April Fools' Day?
A: An observance which takes place in western countries on April first, traditionally known as April Fools' Day or All Fools' Day (Cf. Poisson d'Avril — "April Fish" — in France), during which merriment is supposed to reign and pranks, practical jokes, and hoaxes are socially sanctioned. Customary practices range from simple tricks played on friends, family, and coworkers to elaborate media hoaxes concocted for mass consumption.