You won’t know that the Elder Wand was also called the Deathstick
Ron was actually a Prefect
Harry, Fred and George got a “life-long ban” from Umbridge after they attacked Malfoy on the pitch
Dumbledore hired a centaur named Firenze to teach Divination
Neville Longbotton could’ve been “The Chosen One” but Voldemort chose Harry
Fenrir Greyback was the werewolf who bit Remus Lupin as a child
Harry attended Bill and Fleur’s wedding disguised as Barny Weasley, a red-headed Weasley cousin
Lily was actually a few months older than James
While still alive, the Bloody Baron, who became the ghost of Slytherin House, was sent by Rowena Ravenclaw to retrieve her daughter, Helena, whom he was in love with. When Helena, who became the ghost of Ravenclaw House, refused to go with him, he became angry and stabbed her. Then, distraught with having killed her, he killed himself
Harry mended his own wand with the Elder Wand before he got rid of it
Harry, Ron and Hermione met Neville in St Mungos, who was visiting his parents and his Gran told them what happened to Alice and Frank
The Potters’ had a cat
Harry got miniature broom from Sirius for his first Birthday