AssetID: 53610419
Headline: What's the Origin of April Fools' Day?
Caption: The April 1 tradition of pranks has been observed for several centuries across a variety of cultures. However, the official origins of April Fools' Day are unknown. The most popular theory is that the day was caused by the switch from the Julian calendar to the Gregorian calendar in the 16th century.
Keywords: Origin,April's Fools' Day,Cultures,Offbeat,Fun,Funny,Anecdote,History,Gregorian,Calendar,Pranks,Jokes,Roman Festival,Hilaria,Disguises,Superstition,Good Humor
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