On Halloween: Harry's birthday is July 31st; theoretically, Harry could have been conceived on Halloween. Harry's parents were murdered by Voldemort. Quirrel lets in the Mountain Troll. Nearly Headless Nick was murdered on Halloween. Harry finds a petrified Mrs. Norris. Harry is disappointed that he can't go to Hogsmeade, and Sirius Black slashes the Fat Lady's portrait. The Goblet of Fire spits out Harry's name, which will eventually be the cause of Cedric's death. |