Random Facts The actress who played Moaning Myrtle is actually 37 years old and is the oldest actress to play a Hogwarts student.
Harry Potter and the Deathly Hallowswas released on July 21, 2007, and sold 11 million copies on the first day of its release, breaking JK Rowlings earlier records for the fastest selling book of all time!
Harry’s birthday is July 31, 1980. JK's birthday is also July 31—but in 1966.
JK Rowling said she may have inadvertently taken the name of “Hogwarts,” from a hogwort plant she saw in the Kew Gardens in New York City!
JK Rowling said that when she took an online Sorting Hat quiz, it sorted her into Hufflepuff, one of the four houses of Hogwarts!
JK says the idea of Harry Potter just “strolled into her head” during a four-hour train delay!!!!
Natalie McDonald, who appeared in Harry Potter and Goblet of Fire, was based on a real girl JK rowling knew who was dying of leukaemia.
The driver and conductor of the Knight Bus, Stanley and Ernie, are named after Rowling’s grandfathers! :)
Because so many fans visit Kings Cross station, to see platform nine and ten where the Hogwarts barrier is, there is a sign that has been put up saying platform nine and three quarters.
The Hogwarts School motto is Draco Dormiens Nunquam Titilandus meaning never tickle a sleeping dragon.
In the last book, the last chapter (Ninteen years later) when the characters are all, surprisingly, nineteen years older, this was the first chapter of all the books she ever wrote. So, she wrote this chapter before writing the Philosopher's Stone, Chamber of Secrets, etc....