The Sasanian dynasty was the house that founded the Sasanian Empire, ruling this empire from 224 to 651 in Persia (modern-day Iran).It began with Ardashir I, who named the dynasty as Sasanian in honour of his grandfather (or father), Sasan, and after the name of his tribe.. The Shahanshah was the sole regent, head of state and head of government of the empire.

In the Ottoman Empire, a millet (Turkish: ; Arabic: مِلة) was an independent court of law pertaining to "personal law" under which a confessional community (a group abiding by the laws of Muslim Sharia, Christian Canon law, or Jewish Halakha) was allowed to rule itself under its own laws.. Despite frequently being referred to as a "system", before the nineteenth century the …

A comparative study (2013) on the complete mitochondrial DNA diversity in Iranians has indicated that Iranian Azerbaijanis are more related to the people of Georgia, than they are to other Iranians, as well as to Armenians.However the same multidimensional scaling plot shows that Azerbaijanis from the Caucasus, despite their supposed common origin with Iranian Azerbaijanis, cluster …