<ul><li>The history of April Fools' Day traces back to the 16th century in France when Pope Gregory XIII introduced the Gregorian calendar, which moved the start of the new year from April 1st to January 1st.</li><li>Other theories for the origin of April Fools' Day include ancient Roman festivals, medieval European customs, and the unpredictable weather of early spring.</li><li>By the 18th century, April Fools' Day had spread across Europe, with different countries adopting their own traditions and pranks.</li><li>In the modern world, April Fools' Day has become a global event with media, companies, and even governments participating in elaborate hoaxes and pranks.</li></ul>

The History of April Fools' Day: How It All Began

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