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Due to the ambiguity of the term "history", this former trope has been disambiguated. It may refer to one of the following:
- Artistic License History: Inaccuracies in history in general by creators because of plot demands or simple gaffes.
- Dated History: When a story's elements are rendered inaccurate by new historical discoveries and insights.
- Dewey Defeats Truman: When an event that is soon to be history gets published and quickly becomes factually incorrect. Can be a source of embarrassment for the early worm predicting the news. Super-Trope to The Great Politics Mess-Up.
- "Funny Aneurysm" Moment: A scene, joke, or offhand line that was originally meant to be funny or light-hearted but which, due to traumatic events in future episodes of a show or in real life, now makes the viewer cringe when it is seen in reruns.
- The Great Politics Mess-Up: Originally, used to be just the sudden end of the Cold War, pre-empting many Cold War themed plots set in the then future year of 1991 and beyond. Now it is that, and any unforeseen major political event that occurred in real life but is absent in a work set either during the year the event happened or after.
- Harsher in Hindsight: A serious event or plotline where a later event (in the story or real life) comes up and only serves to amplify the effects of the already bitter-tasting effect.
- Hilarious in Hindsight: When a later event, such as a current event or something that happened in the series, contrives to make something funnier than it originally was.
- Society Marches On: Stories written in the past but roughly set in what is now the present or in the future incorrectly assume that their values will persist through time.
- Unintentional Period Piece: A work that makes so many references to current trends and events that it becomes prematurely dated within a short time period.
- Zeerust: When the technological aesthetics of a story set in the future become dated due to intervening advances in technology.
Please change any link to refer to the correct trope.
I guess TV Tropes marches on too, eh?