In celebration of April Fools' Day here are some of the best pranks carried out around the world.
In France, children stick paper fish to their friends' backs as a practical joke. Each person with a fish stuck to his or her back is called the Poisson d'Avril - 'April Fish'. We're not sure where the fish tradition comes from but it's perhaps because the Pisces zodiac sign comes just before April.
People believe that when King Charles XIV moved the start of the Gregorian calendar from 1st April to 1st January in 1564, there were still people in rural villages who hadn't heard about it. They were then fooled by others to believe 1st April was still New Year.
The Italians, Belgians and Swiss celebrate their own 'April Fish' day too!
The Portuguese celebrate their prank day, which is commonly known as Dia de Mentira, with just one prank; throwing flour at one another.
Two days before Lent in Portugal it's tradition to buy a bag or sack of flour and throw it at your friends. Like in the UK, the joker needs to play the prank by throwing flour before midday on both days otherwise they're the fool.
Iran has the oldest known prank day, which dates back to 536BC. Their day coincides with Sizah Be-dar, which is part of Persian New Year celebrations, during which most people take picnics to local parks to celebrate with nature.
People play typical pranks on each other as well as performing certain rituals such as throwing out all green vegetables to get rid of bad luck for the coming year.
India's prank day coincides with their famous Holi festival. During the festival people play jokes on one another and throw coloured powder paint. Despite what some articles say, Holi and India's prank day are not always celebrated on 31st March as the date changes depending on the Phalgun Pumima (full moon). In 2017 Holi took place from the evening of 12th March until the evening of 13th March and in 2018 it will take place between the 1st and 2nd March.
The Scottish celebrate their prank day over 2 days.
Day one is called 'Hunt the Gowk (cuckoo) day', during which people play pranks on each other and try to catch each other out in embarrassing situations. Day two is called 'Taily day', which refers to people's behinds and is said to be where the kick me sign originates from!
Prima Aprilis is celebrated on 1st April as it is in the UK. It's a big day of fun for everyone, including the media who publish hoax stories in newspapers and broadcast them on TV to fool the general public.
Pranks like changing numbers around in someone's phone or changing the time on a clock or their PC are very common on this day. Or perhaps like in the image, filling Oreo biscuits with toothpaste!
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