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The most compleat and amazing reference to the wonderful world of Harry Potter
est. 2000 A.D.
Phase of the Moon: New Moon
5 GBP = 1 Galleon 
Aragog the Acromantula is released into the Forbidden Forest
Hagrid has been raising the baby Acromantula in a cupboard in the Hogwarts dungeons, but his arrangement is revealed to the teachers by Tom Riddle, suggesting to them that the Acromantula was responsible for the death of Myrtle Warren. Hagrid is expelled from Hogwarts for supposedly causing the death of a student. Hagrid will later find Aragog a wife, Mosag,… Read More
Harry receives a toy broomstick for his first birthday
The toy broomstick is a gift from Sirius. Lily Potter wrote a letter to Sirius, in part to thank him for the present: Dear Padfoot, Thank you, thank you, for Harry’s birthday present! It was his favorite by far. One year old and already zooming along on a toy broomstick, he looked so pleased with himself. I’m enclosing a picture… Read More
Nymphadora Tonks leaves Hogwarts and starts training as an Auror
Tonks hadn’t been Prefect material while in school — she said she lacked the important quality of being able to behave herself — but was a good student, judging by the fact that she had high enough NEWT scores to join the Aurors. Read More
Harry receives a warning letter from the Ministry
Dobby’s use of a Hover Charm at Number 4 Privet Drive prompts Mafalda Hopkirk of the Improper Use of Magic Office to send a letter reminding Harry that underage magic outside of school and magic that is noticed by Muggles are not allowed and letting him know that he could get expelled from Hogwarts for doing magic outside of school… Read More
Myrtle Warren, a Hogwarts student, dies in a second floor bathroom after seeing the Basilisk
Myrtle Warren is being teased by Olive Hornby and flees into a second floor bathroom to sulk. She hears a male voice — that of Tom Riddle opening the Chamber of Secrets — and steps out to tell him off for being in the girls’ bathroom. Instead she comes face to face with the Basilisk and dies. Her death almost… Read More
Harry’s first visit to Diagon Alley
31 July 1991 — Harry and Hagrid visit Diagon Alley. Harry realizes how famous he is when he is recognized at the Leaky Cauldron. At Gringotts, Harry learns of his parents’ fortune and Hagrid retrieves the Philosopher’s Stone. Harry meets Draco Malfoy for the first time at Madame Malkin’s Robes for All Occasions. Harry buys… Read More
On this day in 1991...
Letters begin arriving at Number Four, Privet Drive, inviting Harry to Hogwarts
24 July 1991 — Harry receives his first letter from Hogwarts, which Uncle… Read More
“It is used to return people who have been transfigured or cursed to their original state.”… Read More
Latest from the Lexicon Blog
The Book of Prophecies: How "Order of the Phoenix" Predicts the Plot of "Deathly Hallows" - Part 2
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In Part I of this series, I delved into specific chapter-level comparisons between Order of the Phoenix and Deathly Hallows, and how the events in the former predict or foreshadow those in the latter. In this article, I will… Read More
The Book of Prophecies: How "Order of the Phoenix" Predicts the Plot of "Deathly Hallows" - Part 1
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The Harry Potter series is masterfully plotted, both as individual books and across the series as a whole. Within the fandom, there is a large focus on ring theory for understanding how the series is structured. In ring theory, each book has its… Read More
The Russian Philosopher’s Stone
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It’s a process familiar to most of us trying to brush up on a foreign language – get the Harry Potter books in one of the 85 languages they’ve been translated into, and read the story you know backwards and forwards in a language you may not. My first language… Read More
Mapping the Wizarding World
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Making the Calendar Fit
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I recently received two comments on two different entries in the Lexicon which brought up the same problem: the real world calendar doesn’t always agree with the days and dates in the books. I’m sure some of you are saying “Of course, we know that, this has been discussed in… Read More
The Secrets of Dumbledore ... still a secret?
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Exploring April in the Harry Potter Universe
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Exploring March in the Harry Potter Universe
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