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When it comes time to look back at the biggest conflicts of the 20th century, it's safe to say that World War II is much more widely discussed than World War I . For as much as it's studied, though, it's impossible to cover everything in even the most in-depth history class. A class might teach the major events along the timeline of the war's European front , and there are likely some lessons given on the history of just how Hitler rose to power in Germany . Those are all incredibly important things that should not be forgotten — lest they be repeated — but there are some atrocities that are simply too horrific to be taught in most classes.

And that's saying a lot, because World War II is filled with stories that illustrate

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