Also called All Fools’ Day, this fun holiday has been celebrated for centuries by different cultures. Some historians speculate the concept dates back to 1582.
That is when France switched from the Julian calendar to the Gregorian calendar, as called for by the Council of Trent in 1563.
And people who were slow to get the news — or failed to recognize that the start of the new year had moved to January 1 and continued to celebrate it during the last week of March through April 1 — became the butt of jokes and hoaxes.
These included having paper fish placed on their backs and being referred to as “poisson d’avril” (April fish), said to symbolize a young, easily caught fish and a gullible person.
Words of Wisdom for April 1, 2016
“This is the day upon which we are reminded of what we are on the other three hundred and sixty-four.”
Mark Twain, "Pudd'nhead Wilson"