It resulted in a dazzling array of costumes portraying everything from superheroes and wizards to fairy tale characters.
World Book Day is a charity event held annually in the United Kingdom and Ireland on the first Thursday in March.
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On World Book Day, every child in full-time education in the UK is given a voucher to be spent on books; the event was first celebrated in the United Kingdom in 1995.
You can find out more by visiting www.worldbookday.com.
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