Historians all over the world generally agree that, between 1914 and 1917, over a million Armenians in what is now Turkey were killed in a government campaign of what we now would call genocide or “ethnic cleansing.” Yet the Turkish government officially denies it, and in Turkey you can be criminally prosecuted for talking about the Armenian Genocide. http://en.wikipedia.org/wiki/Armenian_genocide#Position_of_the_Turkish_government Why? After all, everyone directly involved is dead by now, so where’s the harm in talking about it? Are they afraid that the Republic of Armenia will make irredentist claims on territory in northeastern Turkey (which was, I understand, majority-Armenian before the genocide), or what?
Briefly, there is a impulse in any culture to deny that which one wishes did not exist. I consider denial of the Holocaust to be similar in nature. It is not merely arabic countries that have this, however. The Soviet Union was famous for revising history. On the other hand… well.
Basically? People are effed up and think ignoring something will make it go away.
It would be nice to finally get official recognition from Turkey of the tragedy. My wife’s great-grandmother died on a forced march during the genocide. I admit I knew absolutely nothing about it until I was married as I don’t think any of my history courses ever covered it.