Ich weiß, dass er böhmisch war

And that's the end of that. he was from the Kingdom of Bohemia and thus a Bohemian. Historians will refer to him as that. Not as a German or a Czech. They're not in the business of somehow projecting historical identities forward in time. Whatever you want to call that, it's not the study of history. Ergo, to historians Akkadians are Akkadians, not Iraqis.

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