More than 20 years after the first book published, Wizarding World fans are still finding new things to discover.

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From the first manned Moon landing to Monty Python, here are 50 things marking a half-century on this planet (and beyond).
All those extravagant Great Hall meals can't come cheap.
Some fans thought it was terrifying. Others thought it was hilarious.
Classic titles by Lewis Carroll, Agatha Christie, Winston Churchill, and Charlie Chaplin are now the public's property.
The author is talking about the books, which may or may not end the same way as the HBO series.
They write for the parents, too.
Charles-Joseph Minard's map of Napoleon's invasion of Russia has been called the best statistical graphic ever created.
We rounded up some of the more surprising aspects of the first edition that were later cleaned up or scrubbed from the text altogether.