- Sat, May 25
- Katie Harrison's birthday
- Alec Hopkins's birthday
- Sun, May 26
- Detention in the forest; Quirrell drinks unicorn blood
- Helena Bonham Carter's birthday
- Will Dunn's birthday
- Wed, May 29
- Harry defeats Tom Riddle and destroys diary
- Ginny is taken into the Chamber of Secrets
- Lockhart erases own memory with Ron's wand
- Thu, May 30
- Victoria Velasco's birthday
- Dobby is FREE!
- Fri, May 31
- Harry Potter and the Prisoner of Azkaban movie (UK)
- Colin Farrell's birthday
- Harry dreams in Divination and looks in the Pensieve
- Michele Berg's birthday
- “I ain’t got the brains to make this up.”
- June 21, 2003 – Harry Potter and the Order of the Phoenix is released in the United States and the United Kingdom, with midnight release parties being held around the world.
Did You Know
- Aunt Marge’s “lift-off” effect in “Harry Potter and the Prisoner of Azkaban” was achieved using a combination of inflatable body parts, prosthetic makeup, air tubes, and wire harness.