Dudley Dursley's fifth birthday

Dudley Dursley's fifth birthday was on 23 June, 1985.

Party
Dudley had a party, at which he had a piñata. To prevent Harry from hitting the piñata, Dudley's Aunt Marge hit Harry in the legs with her cane.

Attendees

 * Dudley Dursley
 * Harry Potter
 * Marge Dursley
 * Petunia Dursley (probably)
 * Vernon Dursley (probably)