The future is a wonderful place, where many things are far improved from their state in our present time: [[IWantMyJetpack Travel]], [[ImAHumanitarian food production]]...memory retention.

In the future, people seem to know all the details of their history and are able to spout them off to the local FishOutOfTemporalWater without a moment's hesitation, despite the fact that in this day and age, many a college-educated adult couldn't tell you who won the Battle of Trafalgar[[note]]The British[[/note]] or who Simon Bolivar[[note]]South American Independence Leader[[/note]] was without at least stopping to think.

This may be justified in CrystalSpiresAndTogas cases, where the education system is demonstrated to be miles and miles ahead of what it is currently, or in situations where people of the future possess special technology that improves learning and memory. Regardless of the justification, this can cause severe FridgeLogic if the future society in question also demonstrates that [[FutureImperfect it screws up details about our current society]]. One questions whether the history buffs of the future [[UnreliableNarrator can be believed]]...
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!!Examples:

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[[folder:{{Anime}} and {{Manga}}]]
* Many characters in ''Franchise/GhostInTheShell'' spout off about all sorts of historical occurrences and books. Justified by the fact that cyberbrains allow people direct connection to the Internet, and provide dramatically enhanced memory.
* For a post-apocalyptic manga set centuries in the future, ''Manga/{{Gunnm}}'' makes some oddly specific references to historical events and people, up to and including Alan Parsons.
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[[folder:ComicBooks]]
* Subverted with Comicbook/BoosterGold of Franchise/TheDCU. He's an ex-jock museum janitor from the future who used stolen super-gadgets to travel into the present and become a superhero. He uses a [[HeyItsThatVoice robot helper with the voice of Fry from]] ''WesternAnimation/{{Futurama}}'' to anticipate crimes, but he doesn't actually ''know'' much about the history. This gets him in trouble a lot... This may be a SeriesContinuityError as in his original origin story he actually studied history in college, specializing in "the Age of Superheroes". Although, it never said he ''passed''...
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[[folder:{{Film}}]]
* Justified in ''Film/DemolitionMan'', where one of the protagonists is an actual [[FanOfThePast 20th century buff]].
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[[folder:{{Literature}}]]
* In Creator/DavidWeber's ''Apocalypse Troll'', the time-traveling fighter jock just ''happens'' to be history buff, able to spout encyclopedic explanations of events leading up to her time of origin. This extends to technical explanations of future machinery that had already become antiquated by her time.
* In ''[[Literature/CouncilWars There Will Be Dragons]]'', the section of the world the protagonists live in is kept from sliding into total barbarism after the tech supporting the decadence got turned off. {{Justified|Trope}} in that the people who know the most are all ''re-enactors'' who've been living the life (or an idealized version of it, at least).
* Everyone who's anyone in ''Literature/ReadyPlayerOne'' is an expert on the 1980s, even though the story takes place in 2044. [[JustifiedTrope Justified]] in that the TreasureHunt that forms the plot of the novel was organized by a man who grew up in TheEighties and was a big fan of the pop-culture from his youth. If you don't have encyclopedic knowledge of that time period, you don't have a shot.
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[[folder:LiveActionTV]]
* Various ''Franchise/StarTrek'' series are guilty, justified in that most of the characters spouting off these historical facts are [[TheSpock just that damn smart]].
** ''Series/StarTrekVoyager'', oddly, is the most convincing of the various series: rather than TheSpock, who knows Earth history better than all the human crewmen, it has Tom Paris, who is interested in 20th century history and culture. They portray it realistically - he accidentally reveals himself to a 20th century human by referring to the Soviet Union in the present tense in 1996 (because he was only five years out...). Also, he's more interested in the 1950s than (as you might expect) the 1990s the decade the show aired.
** In the episode "The Royale" the away team finds an old astronaut's space suit that has the United States flag on it with 52 stars. It is ''Riker'' who instantly tells the years when that number of stars was in use, even though Data was also along. Possibly justified by Riker being born and raised in the United States, meaning he probably learned a lot of US history in school.
** In order to be a Starfleet cadet you already have to be the best and brightest the Federation has to offer. Study of various historical periods seems to be something of a hobby amongst Starfleet officers. Picard and Janeway both loved Earth history and were trained terrestrial and xenoarchaeologists.
** Each character seems to know a lot about the history and customs of their race/country of origin. Sisko knew a lot about Africa, Picard was well versed in French history, Chakotay was from a Native American tribe that were keeping many of their traditions and rituals going etc.
** Given how easy it is to accidentally time travel in ''Star Trek'', Starfleet Academy goes so far as to make Temporal Mechanics a standard class. One would assume some basic historical knowledge about historical flashpoints is included.
* ''Series/PhilOfTheFuture'' does this a lot.
* ''Series/RedDwarf'', in particular series 1 and 2, makes many humorous references to 20th century culture that seem dated 2 decades on, never mind three million years. Rimmer and Lister are from the 22nd century but even then it still makes little sense.
* In ''Series/BabylonFive'', Captain John Sheridan is specifically mentioned to be "a bit of a history buff", although his areas of interest primarily seem to be UsefulNotes/TheAmericanCivilWar and UsefulNotes/WorldWarII. It's somewhat justified for a military commander to be knowledgeable about military history.
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[[folder:NewspaperComics]]
* Subverted by ''[[ComicStrip/RobotmanAndMonty Monty]]'', when Professor Xemit, a time-traveller from the year 2525 stranded in the present, when asked who will win the 2008 US presidential election tell Monty that he has no idea, given the early 21st century is (to him) an extremely long time ago.
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[[folder:TabletopGames]]
* {{Lampshade|Hanging}}d in a ''TabletopGame/BattleTech'' publication of in-universe conspiracies; one tract is about how crazy it is that so many things reference the 20th Century, which was over 1000 years ago…and there are only a few references to say, the 29th Century, only 200 years before.
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[[folder:WesternAnimation]]
* ''WesternAnimation/{{Futurama}}'' is notorious for this, in combination with constant FutureImperfect faux pas. It usually [[RuleOfFunny gets a pass for being a comedy]].
* Subverted in, of all places, ''WesternAnimation/BeastWars''; the ''Predacons'' are all history buffs, but due to some Big Brother cover-up HandWave, the ''Maximals'' aren't, instead treating their history as (roughly) Arthurian lore. This proves useful in an earlier episode, when [[OurSoulsAreDifferent the spark of Starscream]] drops by for a visit, and attempts to [[UnusualEuphemism bullslag]] his way into the Predacons' good graces with a false story of his role in ''WesternAnimation/TransformersTheMovie'', but falls apart into FridgeLogic when Ravage shows up, reminding us that the Transformer race is ReallySevenHundredYearsOld, and thus are able to have several living witnesses of events that happened ''millions of years ago'' to verify the facts for them.
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