en.wikipedia.org/wiki/April_Fools%27_Day

April Fools' Day is an annual (primarily) Western celebration commemorated on April 1 by playing practical jokes and spreading hoaxes. The jokes and their ...

www.history.com/this-day-in-history/april-fools-tradition-popularized

Nov 24, 2009 ... On this day in 1700, English pranksters begin popularizing the annual tradition of April Fools' Day by playing practical jokes on each other.

www.history.com/topics/holidays/april-fools-day

Mar 30, 2017 ... Some historians speculate that April Fools' Day dates back to 1582, when France switched from the Julian calendar to the Gregorian calendar, ...

www.infoplease.com/calendar-holidays/major-holidays/april-fools-day-origin-and-history

April Fools' Day, sometimes called All Fools' Day, is one of the most light-hearted days of the year. Its origins are uncertain. Some see it as a celebration related ...

www.snopes.com/fact-check/april-fools39-day-origins

April Fools' Day began in the 1500s when the Gregorian calendar took over from the Julian. Those who forgot the change and attempted to celebrate New ...

abcnews.go.com/Lifestyle/april-fools-day-start/story?id=46475042

Apr 1, 2018 ... April Fools' Day is full of trickery and pranks, but where did the impish holiday originate?

www.dictionary.com/e/fool

The true origins of April Fools' Day are uncertain, but one theory is that it began in 1582, when France adopted the Gregorian calendar. Before then, New Year's ...

daily.jstor.org/the-completely-true-history-of-april-fools-day

Mar 31, 2018 ... The door to spring is guarded by fools, but that's ok, because they're not all that serious. And everybody knows the password: April Fools!

www.britannica.com/topic/April-Fools-Day

April Fools' Day, also called All Fools' Day, in most countries the first day of April. It received its name from the custom of playing practical jokes on this day—for ...