- Before the Hogwarts Express, some young wizards and witches made their way to Hogwarts on broomsticks and in enchanted carriages
- There are other fractional platforms at King’s Cross station. Try 7 1/2 for a trip to wizard-only villages in Europe.
- It took five and a half minutes for the Sorting Hat to decide whether to place Minerva McGonagall in Gryffindor or Ravenclaw
- Several Hogwarts students have caused mayhem at King’s Cross by dropping suitcases full of newt spleens or biting spellbooks all over the Muggle Station.
- Peeves the poltergeist caused a three-day evacuation of Hogwarts in 1876 after escaping a trap set for him armed with several dangerous weapons.
- The one exception to the general magical aversion to Muggle technology is cars. Even the Ministry of Magic owns a fleet, modified with various useful charms.
- Many wizards were unhappy with the invention of the Muggle-like Knight Bus, and refused to use it when it first hit the streets.
- Headmasters and headmistresses of Hogwarts can teach their magical portrait to act and behave exactly like themselves.
- Sir Cadogan’s most famous encounter was with the Wyvern of Wye, a dragon-like creature, whom he accidentally killed with his broken wand.
- Only one non-magical person has ever managed to get as far as the Hogwarts Sorting Hat before being exposed as a Squib.
- Of the Eleven wizarding schools in the world, the African school of Uagadou is the only one to select pupils by Dream Messenger, leaving a token in the child’s hand whilst they sleep.
- The 1809 Quidditch World Cup final turned into a human versus tree battle when one of the players managed to jinx an entire forest to attack the stadium.
- The Hufflepuff ghost, the Fat Friar, was executed after senior churchman became suspicious of his ability to cure the pox by poking peasants with a stick.
- Every year St. Mungo’s Hospital for Magical Maladies and Injuries treats at least one injury caused by homemade Floo powder.
- Before she became a teacher at Hogwarts, Minerva McGonagall used to work for the Department of Magical Law Enforcement at the Ministry of Magic.
- Part of the process of becoming an Animagus requires you to carry a leaf from a Mandrake in your mouth for an entire month.
- A Dark wizard called Raczidian was devoured by maggots that appeared from his wand when he unsuccessfully attempted to cast the Patronus Charm.
- Any part of a person’s body can be added to the Polyjuice Potion to allow the consumer to take their form, including hair, toenail clippings, dandruff or worse…
- Remus Lupin’s father, Lyall, was a world-renowned authority on magical creatures like poltergeists and Boggarts.
- It took 167 Memory Charms and the largest mass Concelment Charm ever performed in Britain to modify a muggle steam engine and create the Hogwarts Express.
- Students from the Russian Wizarding school, Koldovstoretz, play a version of Quidditch where they fly on entire, uprooted trees instead of broomsticks.
Yes, these are all canon. Thought I’d type it up to have it as a text reference. Enjoyyy.