April Fools' Day, observed annually on April 1st, is a custom characterized by playing practical jokes and hoaxes. Pranksters often reveal their actions by shouting "April Fools!" at the recipient. Mass media outlets sometimes participate in these pranks, disclosing them the following day. This tradition of dedicating a day to harmless pranks has been historically widespread across various cultures.
In 1957, the BBC broadcasted a segment on Panorama showing Swiss farmers harvesting spaghetti from trees, which was revealed to be a hoax after numerous inquiries.
In 1957, the BBC's "spaghetti-tree hoax" provoked mixed reactions, with some considering it a great joke while others viewed it as a deception of the public.
In 1973, the April Fools' Day celebration known as Humorina began in Odesa, Ukraine, featuring parades, concerts, fairs, and pranks.
In 1993, Bryce Courtenay's novel, "April Fool's Day", was published; the title refers to the day Courtenay's son died.
In 2010, the April Fools' Day celebrations in Odesa expanded to include an International Clown Festival, adding to the existing Humorina festivities.
In 2019, the Humorina festival was dedicated to the 100th anniversary of the Odesa Film Studio, with all events emphasizing cinema.
In March 2020, various organizations warned against observing April Fools' Day due to the COVID-19 pandemic and a need to avoid spreading misinformation.
In 2021, Google decided for the second year in a row not to engage in April Fools' Day pranks due to the ongoing COVID-19 pandemic.
In 2021, Thai police warned that posting or sharing fake news online during April Fools' could result in up to five years in prison.