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* Comic books from the major publishers DC and Marvel are prone to this in general due to ComicBookTime and the desire to keep memorable stories as canon. For example, the ''ComicBook/New52'' has established that the ''ComicBook/{{Batman}}'' story ''ComicBook/TheKillingJoke'' is still a part of [[ComicBook/{{Batgirl}} Barbara Gordon's]] history happening sometime in the past five years but the original story was written in the late 1980s. ''WesternAnimation/BatmanTheAnimatedSeries'' even {{invoked|Trope}} this as an intentional design decision, featuring ArtDeco architecture alongside 1950s-looking television alongside almost science-fiction-level technology such as virtual reality and bionic eyes.
* The eponymous character of ''ComicBook/LeonardLeGenie'' is an inventor living in the 14th century. However, he has electricity, modern tools and a CoolCar available, and his inventions include computers and robots, among others. Somewhat justified by him being a genius inventor, but still... {{Lampshade|Hanging}}d at least once; Léonard invents a photo camera and, on having put the film into an envelope, realizes there's nowhere to mail it to. "Do I have to invent everything myself?"
* ''ComicBook/{{Hellblazer}}'' occasionally falls into this, the most JustForFun/{{egregious}} example being issue #186's {{Anvilicious}} portrayal of the [[http://en.wikipedia.org/wiki/Black_War Black War]] as a one-sided Nazi-style genocide, completed with a barbed-wire-fenced extermination camp in 1833 (30 years before the actual invention of barbed wire).
* ''ComicBook/{{Asterix}}'' is a mixture of this and PurelyAestheticEra. The albums set abroad in particular include lots of elements for which the countries in question are famous ''now'': [[TorosYFlamenco bullfighting and flamenco dancing]] in Hispania, [[SwissBankAccount anonymous bank vaults]] and fondue in Helvetia, [[RugbyIsSlaughter rugby]] and [[BritsLoveTea afternoon tea]] in Britannia, etc. Likewise, the regional specialties from different parts of Gaul in ''Asterix and the Banquet'' are all based on modern French cuisine. On the other hand, a lot of the stuff is actually well researched and Uderzo, for instance, later was quite embarrassed about some ''unintentional'' anachronisms, such as the appearances of a fiddle and a wheelbarrow in two early stories.
* ''ComicBook/TheSandman1989'':
** Hob Gadling has been alive since the 13th century and now [[CursedWithAwesome will not die unless he chooses to]]. In the 20th century, his girlfriend dresses up to visit a Ren Faire. He has several criticisms about the realism of the place (mostly that [[TheDungAges nothing is covered in shit]] the way it should be), and when he sees her in wench costume, she attempts to talk YeOldeButcheredeEnglishe to him. His response: "Thou lookst passing fair, milady. Save thou manglest the Queen's good English and thy tits are hanging out."
** Delirium is this on legs. She turns up in ancient Greece wearing a fishnet vest and miniskirt.
* The newspaper comic strip ''ComicStrip/{{BC}}'' had lots of these. Despite supposedly taking place, um, in the years B.C. (specifically, in prehistoric times), there were often references to modern times, especially as the strip went on; at least one strip had a character refer to the United States. It turns out that [[spoiler:the series actually takes place AfterTheEnd, with mankind reduced to the same level of technology as was had in prehistoric times]].
** Plus, especially in later years when Johnny Hart became more religious, ''they celebrated Christmas'' and made other Christian references. Which is kind of the definition of anachronistic in a strip named ''B.C.''[[note]]Though one of the major characters is named BC, and the strip could be named after him rather than the other way around. Later strips sometimes feature an Italian-esque character who lives across the sea named Anno Domini.[[/note]]
** "The Wizard of Id" by the same creators is another case of this. It supposedly takes place in medieval times, but it has plenty of modern-day references.
* Deliberately used in ''ComicBook/{{Alias}}'' to {{lampshade|Hanging}} the Marvel's [[ComicBookTime floating timeline]]. For example, a flashback to [[ComicBook/SpiderMan Peter Parker]]'s teen years uses fashion and slang straight out of a 1960s [[MediaNotes/TheSilverAgeOfComicBooks Silver Age]] comic, despite the fact that it was actually set in the late 1980s.
* {{Lampshade|Hanging}}d again in ''ComicBook/AllNewXMen'', another Creator/BrianMichaelBendis work. The original X-Men likely started off in the early 1990s or late 1980s thanks to ComicBookTime, but still dress and act as though they came straight from the 1960s, when the original ''X-Men'' comics were published.
* ''ComicBook/{{Scion}}'' took place on a world which combined medieval European fantasy trappings (kingdoms, castles, dragons, etc.) with sci-fi elements (holograms, bioengineering, computers, etc.).
* One of the stories in ''[[ComicBook/{{Shazam}} Captain Marvel Adventures]]'' #95 (1949), ''History Goes Wild'', has an invisible version of Earth in space with history different to Earth, long ago the twin worlds branched apart in space. The North Pole has just been discovered, people are using rocket ships to return from holiday in Antarctica, people with different eras' clothing style are together, and cats and dogs are extinct. Also, President George Washington is on holiday in Antarctica and Julius Caesar is attacking America. Captain Marvel shoves the world away to another star system.
* Opal City from ''ComicBook/StarmanDCComics'' was deliberately designed to have a retro [[MediaNotes/TheGoldenAgeOfComicBooks Golden Age]] aesthetic, despite taking place in the 1990s. The series' protagonist, Jack Knight, runs an antique shop and is quite fond of using dated slang and clothing.
* ''ComicBook/{{Iznogoud}}'':
** Space rockets in the 9th century?
** The story "Calculated Risk" features a magical computer invented by a character named [[Creator/{{IBM}} I-Bee'Em]].
--->'''Iznogoud:''' [[LampshadeHanging If there's a pun there somewhere, I don't get it.]]
* Creator/DCComics' [[MediaNotes/TheGoldenAgeOfComicBooks Golden Age]] FunnyAnimal character Nero Fox was described as the "Jive-Jumping Emperor of Ancient Rome". As such, his two shticks were being emperor of the UsefulNotes/RomanEmpire and being obsessed with playing (poorly) his "gobble pipe" (saxophone). His appearance in a ''ComicBook/CaptainCarrotAndHisAmazingZooCrew'' story also showed him using anachronistic 1940s-era music slang, to a time-travelling Capt. Carrot and Pig Iron's bewilderment.
* An odd case of InUniverse AnachronismStew is ''ComicBook/MarvelZombies'', where the original stories took place in a somewhat bizarre BroadStrokes version of the standard one. Among other things, the majority of the Avengers are still wearing their 70s getups, Magneto has his Acolytes, which implies the 90s, and characters from 2000s teams like ''ComicBook/YoungAvengers'' or ''ComicBook/{{Runaways}}'' pop up.
* ''ComicBook/MortadeloYFilemon'': Whenever historical events are portrayed, expect some out-of-place item, usually a contemporary one like a cardboard-made TV in old Rome. Other characters will invariably call it a [[ItWillNeverCatchOn fleeting style which will be out-of-fashion soon]].
* ''ComicBook/WizardsOfMickey'' is set in a standard medieval fantasy setting, but the communicating stone is called the ''Amulet Cellphone'' (an "amulettophone" in the original version), even if regular cellphones do not exist, there are multiple references to things such as magical credit cards, and Fethry Duck builds a disco palace in the fourth arc. In the third arc, Fafnir starts dressing and behaving like [[Series/HappyDays Fonzie]], of all things. Various robots are also seen throughout the series.
* In a ''ComicBook/{{Superman}}'' storyline in which the villain Dominus was trapping Superman in four contradictory realities (based on MediaNotes/TheGoldenAgeOfComicBooks, MediaNotes/TheSilverAgeOfComicBooks, MediaNotes/TheBronzeAgeOfComicBooks, and the old "Superman of the 30th century" back-up strips), there were frequent suggestions that things weren't quite right. The most obvious was the Silver Age, which not only had Modern Age characters like Maggie Sawyer and Professor Hamilton but had things like Lois telling Jimmy to download his digital photos, while talking to Perry on her "cellphone" (a 1960s phone receiver with an ariel sticking out of it).
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