The Êzidî genocide represents a new episode in the series of international failures in stopping genocides since World War II. The death toll of genocides in the 20th century was over 60 million victims, including those in Bosnia and Rwanda and excluding those of Darfur and Iraq. This should urge us to seek to prevent that violence from being repeated through the confrontation of classification and discrimination policies, a favorable environment for genocides. The genocides of Êzidîs and other minorities in Iraq and the previous genocides in Yugoslavia, Rwanda, Eastern Timor and Darfur prove that the genocidal threat is still a major issue in international politics. However, developing an effective mechanism to ward off future genocides has proven an utter failure.