5 October is the 278th day of the year (279th in leap years). There are 87 days remaining until the end of the year.
- 1995: Dumbledore's Army is formed by Harry Potter, Hermione Granger, and Ron Weasley in Hog's Head pub in Hogsmeade. They were overheard by Mundungus Fletcher and Willy Widdershins.
Behind the scenes
- 1984: Tiana Benjamin, the actress who plays Angelina Johnson in the film adaptation of Harry Potter and the Goblet of Fire, is born.
- 1983: Chloe Bruce, the actress who will play a Snatcher in Harry Potter and the Deathly Hallows: Part 1, is born.