23 June is the 174th day of the year (175th in leap years). There are 191 days remaining until the end of the year.
- 1991: The Dursleys, Harry Potter and Piers Polkiss have a trip to the Zoo, commemorating Dudley's eleventh birthday. Harry speaks Parseltongue for the first time with a Boa constrictor.
Behind the scenes
- 1957: Peter Dickson, the actor who voices Lucius Malfoy, Lord Voldemort and the Death Eaters in Harry Potter for Kinect is born.
- 2011: J. K. Rowling announces Pottermore.