In October, a Hogwarts Alumni Costume Ball will be hosted in Cambridge, Massachusetts, as part of the two-day celebration Geek Central. Geek Central is being put on by Pandemonium Books and Games, which is celebrating its 25th Anniversary.
- Sat, Oct 3
- Christian Coulson's birthday
- Harry Potter and the Prisoner of Azkaban Illustrated Edition
- Sun, Oct 4
- Minerva McGonagall's birthday
- Will Theakston's birthday
- Harry Potter and the Chamber of Secrets Illustrated Edition
- Mon, Oct 5
- Dumbledore's Army forms at the Hog's Head
- Tiana Benjamin's birthday
- Tue, Oct 6
- Scarlett Byrne's birthday
- Harry Potter and the Philosopher's/Sorcerer's Stone Illustrated Edition
- Wed, Oct 7
- Umbridge almost catches Sirius in Gryffindor Tower fireplace
- Educational Decree No. 24 is passed
- Mark Radcliffe's birthday
- Thu, Oct 8
- Ian Hart's birthday
- “Welcome to a new year at Hogwarts! Before we begin our banquet, I would like to say a few words. And here they are: Nitwit! Blubber! Oddment! Tweak!”
- August 15, 2011 – The first beta registrants are given access to Pottermore.
Did You Know
- Sybill Trelawney’s middle name is Patricia.