Warner Bros. officially announces the split of the final Harry Potter book into two movies, with Part 1 being the first.
Casting, scriptwriting, and planning for Harry Potter and the Deathly Hallows: Part 1 start.
Filming for Harry Potter and the Deathly Hallows: Part 1 begins.
The film has its world premiere held in London.
Harry Potter escapes from the Dursleys' home with the help of the Order of the Phoenix, avoiding capture by Death Eaters.
The Order uses Polyjuice Potion to create seven Harry Potters to safely transport the real Harry to a secure location; a battle with Death Eaters ensues.
Harry and Hermione capture Mundungus Fletcher for stealing from 12 Grimmauld Place and retrieve a locket Horcrux.
Harry, Ron, and Hermione attempt to destroy the locket Horcrux but it has a powerful negative influence, causing tension within the group.
Harry, Hermione, and Ron infiltrate the Lestrange vault in Gringotts to retrieve another Horcrux, the Hufflepuff cup.
The trio escape on the back of a dragon after the vault break-in, successfully retrieving the Hufflepuff cup Horcrux.
Ron leaves the group briefly due to the influence of the locket Horcrux but returns, saving Harry and destroying the locket with the Sword of Gryffindor.
Harry learns about the Deathly Hallows and the significance of the Elder Wand, Resurrection Stone, and Invisibility Cloak.