The origin of April Fools Day
While the exact origin of April Fool’s Day is not known, there are possible mentions of it in literature and history dating as far back as 1392 in Geoffrey Chaucer’s work, “The Canterbury Tales“. In The Nun’s Priest’s Tale, a cockerel is tricked by a wily fox on the 32nd day of March, or, April 1st. French poet, Eloy d’Amerval refers to the “fish of April” in one of his works from 1508, which may the first reference to April Fools Day in France, while in 1561, Flemish poet Eduard de Dene wrote a story about a nobleman who would send servants on foolish errands on April 1st every year. The tradition of playing pranks on April Fools Day has been a popular custom since the 19th century, and it certainly hasn’t shown any signs of losing its momentum.

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The Resurrection of America
and Salvation of our Species

April Fools' Day (sometimes called All Fools' Day) is an annual celebration in some European and Western countries commemorated on April 1 by playing practical jokes and spreading hoaxes. The jokes and their victims are called April fools. Some newspapers, magazines and other published media report fake stories, which are usually explained the next day or below the news section in smaller letters. Although popular since the 19th century, the day is not a public holiday in any country. Aside from April Fools' Day, the custom of setting aside a day for the playing of harmless pranks upon one's neighbor has historically been common around the world....wiki