- Harry Potter and the Chamber of Secrets (video game) (First appearance)
Notes and references
- ↑ We know the holiday takes place after Colin Creevey is petrified by Slytherin's Basilisk (8 November, 1992) and the trio's completion of the Polyjuice Potion (December 25, 1992).
- ↑ Harry Potter and the Chamber of Secrets (video game) - PS1 version
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