1. Exposition

Why is Artaxerxes referred to as "king of kings"?

Ezra 7:12 (ESV)

12 “Artaxerxes, king of kings, to Ezra the priest, the scribe of the Law of the God of heaven. Peace. And now

Assyrian, Babylonian, and Persian kings commonly used the title king of kings since they were kings of great empires.1