Well there are many schools and school districts today that teach fake history like using the 1619 Project as but one example. That is a work of fiction that is passed off as accurate historical narrative in many US schools today.
While not fiction per se, Howard Zinn's A People's History of the United States is a cherry picked work that emphasizes minutia and irrelevant topics from American history making it relatively worthless as a general text for teaching history, particularly to K - 12 students. But it too is widely used today because it takes a Leftist bent on the subject.
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