16 December is the 350th day of the year (351st in leap years). There are 15 days remaining.
- 1775: Jane Austen, the Muggle author who wrote Pride and Prejudice, Emma, and Sense and Sensibility, is born.
- 1992: Hermione Granger continues brewing Polyjuice Potion in Moaning Myrtle's Bathroom. 
Behind the scenes
- 1975: Tony Christian, the British actor who plays a Slytherin Beater in the film adaptation of Harry Potter and the Chamber of Secrets is born.
- 1979: Denis Khoroshko, who played Smirnoff, born.