King of Kings

Ruling title used by certain historical monarchs

King of Kings was a ruling title employed primarily by monarchs based in the Middle East and the Indian subcontinent. Commonly associated with Iran, especially the Achaemenid and Sasanian Empires, the title was originally introduced during the Middle Assyrian Empire by king Tukulti-Ninurta I and was subsequently used in a number of different kingdoms and empires, including the aforementioned Persia, various Hellenic kingdoms, India, Armenia, Georgia, and Ethiopia.

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