Would 100-200 years be sufficient to "erase" past atrocities?

In the particular world that I am working on, I am attempting to build a "utopian" society. A major piece of this society is that, effectively, all historical atrocities have been "forgotten" by the mainstream society. Now the vehicle I am attempting to use to accomplish this is something I read about in a social psychology article which states, in simplistic terms, "humans are happy to forget the bad things that society did, provided someone in a position of authority gives them permission." I might be mashing concepts together, if so I apologize.

My question is then, would 100+ years be sufficient for the worst atrocities to be removed from the human races collective historical record? This assumes a global government, not teaching it in schools, etc.

Edit: For clarity, I define a major atrocity as something akin to the Holocaust. Edit 2: My setting assumes an early technological singularity (~2050) and is set 50-100 years after that.

posted over 9 years ago

Jake‭

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