39. Ron became an Auror, but at some point, he also helped George at Weasleys’ Wizard Wheezes, which became a booming business.
40. The tale of the Deathly Hallows was based on The Pardoner’s Tale by Geoffrey Chaucer.
41. Remus was killed by Antonin Dolohov and Tonks was killed by Bellatrix Lestrange.
42. There are 700 fouls in Quidditch.
43. After a disappointing defeat against Egypt in 2002, “a tearful [Viktor] Krum announced his retirement” from Quidditch. He returns this year for the 2014 Quidditch World Cup.
44. Cho Chang married a Muggle.
45. All the fractioned platforms at King’s Cross Station are in use for Wizards and Witches.
46. Platform 7 1/2 is the Orient Express.
47. Aunt Marge was in love with her neighbor Colonel Fubster, but he would never marry her because of her horrible personality. This unrequited love is part of the reason she’s so mean and bitter.
48. She also asked him to drown one of her pups once because it was a “weak,” “underbred”, “ratty little thing.”
49. Draco Malfoy almost attended Durmstrang Institute, but his mother didn’t want him to be so far away from home.
50. The Vanishing Cabinet makes its first appearance in Harry Potter and the Chamber of Secrets.
51. The third smell Hermione recognizes in the Amortentia potion is Ron’s hair.
52. Dumbledore’s boggart is the corpse of his sister, Ariana.
53. Before taking the post of Defense Against the Dark Arts, Quirrell was the Muggle Studies teacher.
54. Firenze the Centaur was eventually welcomed back to his herd.
55. Rowling killed Hedwig because it represented the loss of innocence and security, and her fate marked the end of Harry’s childhood.
56. If Dumbledore had a Muggle song playing at his funeral, Rowling said it would be “My Way” by Frank Sinatra.
57. Two alternate titles for the final book were Harry Potter and the Elder Wand and Harry Potter and the Peverell Quest. She quickly decided against the latter because it sounded too corny.