Timeline
- : Hagrid remains at Hogwarts and is trained as gamekeeper
- : Tom Marvolo Riddle turns the diary into a Horcrux
- : Grey Lady reveals her secret to Tom Riddle
- : Tom Riddle begins his seventh year at Hogwarts and is made Head Boy
- : Dumbledore defeats Grindelwald
- : Devlin Whitehorn is born
- : Galatea Merrythought retires from Hogwarts
- : Tom Riddle finishes his seventh year and applies for a job teaching at Hogwarts
- : Laurentia Fletwock is born
- : A History of Magic is published
- : Darren O'Hare joins the Kenmare Kestrels
- : Newt Scamander creates the Werewolf Register
- : Minerva McGonagall starts at Hogwarts
- : Leonard Spencer-Moon steps down as Minister for Magic
- : Wilhemina Tuft becomes Minister for Magic
- : Snallygaster Protection League founded
- : A blue roan hippocampus is caught by merpeople
Sources