History Trivia / HarryPotterandTheDeathlyHallows

* FollowTheLeader: Following WB's decision to split this book into two films, many other franchises based off YA books did the same. ''{{Film/Twilight}}'', ''Film/TheHungerGames'' and ''{{Literature/Divergent}}'' for one. ''Film/AvengersInfinityWar'' likewise originally had 'Part 1' in the title, before the trend died out after ''The Divergent Series: Allegiant'' bombed[[labelnote:*]](''Infinity War Part II'' was eventually renamed ''Film/AvengersEndgame'')[[/labelnote]]; similarly, ''Film/JusticeLeague2017'' was originally planned to be a two-part film before being rewritten as a singular instalment.

** The official games were clearly made to cash in on the popularity of cover-based shooters.

* IKnewIt:
** Most people guessed beforehand who R.A.B. was, [[spoiler:Sirius' brother Regulus Black]], with some even correctly guessing his middle name [[spoiler:Arcturus, from his grandfather on the Black Family Tree.]] This was pretty much given away by the DubNameChange, if one was willing to investigate -- [[spoiler:the Black family is named after the colour in all translations, and R.A.B's initials were indeed changed accordingly.]]
** Notably, Emerson (from [=MuggleNet=]) and Melissa (from The Leaky Cauldron) were given the opportunity to interview Rowling the day after the book was released, immediately after their first read through. They both guessed R.A.B.'s identity immediately.
** [[FanFic/MyImmortal Tara Gilesbie]], of all people, correctly guessed [[spoiler: Harry being a Horcrux and having to commit suicide to kill Voldemort.]]

* BillingDisplacement: Creator/MichaelGambon only has one quick scene in ''Part 1'' but nevertheless receives star billing.

* FollowTheLeader: Following WB's decision to split this book into two films, many other franchises based off YA books did the same. ''{{Literature/Twilight}}'', ''Film/TheHungerGames'' and ''{{Literature/Divergent}}'' for one. ''Film/AvengersInfinityWar'' likewise originally had 'Part 1' in the title, before the trend died out after ''The Divergent Series: Allegiant'' bombed[[labelnote:*]](''Infinity War Part II'' was eventually renamed ''Film/AvengersEndgame'')[[/labelnote]]; similarly, ''Film/JusticeLeague2017'' was originally planned to be a two-part film before being rewritten as a singular instalment.

* TrollingCreator: Leading up the book's release, Rolling kept hinting that she may TorchTheFranchiseAndRun by killing Harry so that no sequel books could be written about him. [[spoiler:Which she ''did'', but not permanently.]]

** Creator/HelenaBonhamCarter portrays Bellatrix Lestrange and Hermione after she turns into via Polyjuice Potion in ''Part II''.

** The same is done for when Hermione transforms into Bellatrix, with Emma Watson dubbing over Helena Bottom Carter.

** Creator/HelenaBonhamCarter portrays Bellatrix Lestrange and the form Hermione shape-shifts into in ''Part II''.

* WhatCouldHaveBeen: See [[WhatCouldHaveBeen/HarryPotter subpage]].

* TheOriginalDarrin: in the Brazilian dub, Luiz Carlos Persy returns to the role of Voldemort he first played in
''Goblet of Fire'', after being replaced by Creator/MauroRamos in ''Order of the Phoenix''.

* CreatorBacklash: Alan Rickman [[https://movieweb.com/alan-rickman-journal-harry-potter/ wasn’t pleased]] at first with the manner of [[spoiler:Snape’s death]], until his then-future wife Rima Horton pointed out that if Voldemort [[spoiler:killed Snape with Avada Kedavra, he wouldn’t be able to have a prolonged, dramatic death scene to act in.]]

** In the Brazilian dub, Mad-Eye Moody is now voiced by Eduardo Borgeth, while in the previous two appearances he was voiced by Renato Rosenberg.

* ImageSource:
** TookALevelInBadass.LiveActionFilms (bottom, part 2)