17 December is the 351th day of the year (352th in leap years). There are 14 days remaining.
- 1992: Harry Potter attends the Duelling Club, where it is revealed that he can speak Parseltongue, rendering him suspicious in the eyes of some Hogwarts students.
- 1997: Harry Potter and Hermione Granger decide to visit Godric's Hollow.
- 17 December on Wikipedia