14 December is the 348th day of the year (349th in leap years). There are 17 days remaining until the end of the year.
- 1992: Hermione Granger continues brewing Polyjuice Potion in Moaning Myrtle's Bathroom.
- 2018: A Muggle speed camera captures blurry footage of several out-of-control riderless Nimbus 2000 broomsticks speeding on a motorway in Sydney, Australia. The Statute of Secrecy Task Force is deployed to track the rogue brooms before they are noticed by Muggle authorities.