12 April is the 102nd day of the year (103rd in leap years). There are 263 days remaining.
- 1998: Harry Potter, Ron Weasley and Hermione Granger — amongst others — stay at Shell Cottage and prepare to break into the Lestrange Vault in Gringotts Wizarding Bank.
- 2014: The opening ceremony of the 427th Quidditch World Cup takes place. Originally billed as "a magnificent exhibition of the diversity of the magizoological world", the choreographed display of the different teams' mascots escalates into a fight between the various beasts, prompted by an attempt to make the Fijian Dukuwaqa and Norwegian Selma share a lake. Healers have to attend to more than 300 crowd members suffering from shock, broken bones and bites.