The following events occurred in the year 1978:
- Universal Brooms Ltd goes out of business.
- James Potter, Lily Evans, Remus Lupin, Peter Pettigrew, Sirius Black, and Severus Snape leave Hogwarts.
Behind the scenes
- 3 October: Christian Coulson, who played Tom Riddle in the film adaptation of Harry Potter and the Chamber of Secrets, is born.