Sargon of Akkad (/ˈsɑːrɡɒn/; Akkadian: Šar-ru-gi), also known as Sargon the Great, was the first ruler of the Akkadian Empire, known for his conquests of the Sumerian city-states in the 24th to 23rd centuries BC. He is sometimes identified as the first person in recorded history to rule over an empire.