April Fools' Day

Early mentions and theories

The exact beginnings of the observance remain uncertain. An early possible link appears in Geoffrey Chaucer's fourteenth-century writing, though scholars debate the date calculation. In France, the poet Eloy d'Amerval wrote about an April fish in 1508. Some historians connect the day to calendar reforms, suggesting that individuals who moved New Year celebrations to January mocked those who continued older spring observances ending around the start of April. However, records of trickery on the date appear in Flemish verse from 1561, predating such administrative changes in certain regions. British sources first noted the occasion as a holiday for fools during the late seventeenth century.

Fish and foolish errands

Distinct prank traditions exist across different regions. In France, Italy, and Belgium, children and adults secretly stick paper cutouts of fish onto people's backs, dubbing the occasion April fish. French bakeries often display chocolate sea creatures in their windows. In Britain and Ireland, tricksters long favoured sending unsuspecting victims on fruitless errands. A person would carry a sealed message requesting assistance to a neighbour, only for the note to instruct the recipient to pass the messenger along to someone else. Scotland knew this practice as hunting the gowk, a term for a cuckoo or a simpleton.

Rules and reveal phrases

When a trick works, the joker customarily shouts a specific phrase to unveil the deceit. People in Germany call out April, April, while Polish participants name the day prima Aprilis. In Turkey, one shouts the day's date, and Armenian jokesters say april mek after tricks like swapping salt for sugar. Strict customs govern the timing in several countries. In Britain, Poland, and related cultures, all pranking must finish at midday. Anyone who attempts a trick in the afternoon loses standing and becomes the fool instead, ensuring the fun stays within clear boundaries.

Media hoaxes and festivals

Public institutions, politicians, and news outlets frequently stage elaborate hoaxes for the day. Nordic newspapers routinely print a single false story on the front page, while French articles embed subtle fish clues within satirical reports. In the Ukrainian port city of Odesa, the day evolved into a large civic festival named Humorina. Since the 1970s, residents have celebrated with street fairs, costumed parades, clown performances, and decorated public statues. Across the globe, such communal jokes rely on shared goodwill and the mutual understanding that every claim on the first of April might be pure fiction.

How April Fools' Day is kept

Throughout the morning of 1 April, people carry out harmless pranks on family, classmates, and colleagues. Common tricks include telling invented stories, sending helpers on wild goose chases, placing paper fish on unsuspecting backs, or quietly rearranging small household items. Once the target falls for the deception, the prankster announces the trick with a customary shout. Broadcasters and newspapers also publish single fabricated articles. In several countries, pranking strictly ends when the clock strikes noon.

When and where

The custom takes place every year on 1 April. In places following British or Polish customs, all practical jokes must happen before midday, after which any further pranking is considered improper.

The tradition is widely kept across Europe, including the United Kingdom, France, Ireland, Italy, Poland, and the Nordic nations, as well as in Armenia, Lebanon, and North America.

What April Fools' Day means

The day provides a brief, socially accepted release from seriousness and routine. By engaging in mutual trickery, communities celebrate humour, gullibility, and wit. Deceptions remain playful and harmless, with reveal phrases and strict midday cut-offs ensuring that teasing fosters amusement rather than lasting embarrassment or discord.

Questions people ask about April Fools' Day

See also

ChristmasA festival of Jesus's birth, kept on 25 December with gifts, lights and shared mealsHalloweenAn annual observance on 31 October marking the eve of All Saints' Day, rooted in Christian tradition and Celtic heritageChristmas treeA decorated evergreen or artificial tree placed indoors to mark the Christmas season.Christmas EveThe evening before Christmas, marked by church services, family meals, and gift preparations across Christian cultures.

Good reading and sources

• Encyclopaedia BritannicaArticle
• April Fools: The Roots of an International TraditionLibrary of Congress, Article
• April Fools’ Day: Origins, Meaning & JokesHistory.com, Article
• International Joke Day: Tell us your favourite hilarious gagBBC, Article
• April Fools: The Roots of an International TraditionLibrary of Congress, Article
• April Fools’ Day: Origins, Meaning & JokesHistory.com, Article
• International Joke Day: Tell us your favourite hilarious gagBBC, Article

• April Fools' Day on WikipediaEncyclopedia
• More photos on Wikimedia CommonsPhotos and video
• Wikidata recordOpen data

It may contain mistakes. Traditions differ from one family, village and community to the next, and the people who keep them know them best. If something is wrong, tell us. Last refreshed 2026-10-04.