The first Harry Potter book was released exactly 20 years ago today. Since then, it has broken many world records on book sales.

More than 500 million copies of the books have been sold worldwide and the series has been translated into 79 languages. Harry Potter and the Deathly Hallows became the fastest selling books in history, selling 2.6 million copies in the UK alone in the first 24 hours of its launch. 

Here are other stats that show how the nation has been charmed by the boy wizard over the past two decades.

Hermione’s name has surged in popularity

The intelligent witch played by actress Emma Watson in the movies has inspired over 1,700 new Hermione’s in England and Wales since 1997.

The name particularly shot up in popularity in 2003, the year Harry Potter and the Order of the Phoenix was released after a three-year wait from the fourth installment.