10 September is the 253rd day of the year (254th in leap years). There are 112 days remaining.
- 1995: High Inquisitor Dolores Umbridge inspects fifth-year Transfiguration and Care of Magical Creatures classes. Harry Potter has detention with Umbridge. Hermione Granger suggests that Harry begin teaching Defence Against the Dark Arts. This idea later became Dumbledore's Army.
Behind the scenes
- 1958: Chris Columbus, film director, writer and producer who directed the first two Harry Potter films Harry Potter and the Philosopher's Stone and Harry Potter and the Chamber of Secrets and became one of the producers of the third film Harry Potter and the Prisoner of Azkaban, is born.
- 2003: J. K. Rowling was awarded the Prince of Asturias Award for Concord in Oviedo, Spain.