The Ancient Near East included three different rulers, all named Sagon:
The first reigned from approximately 2350 until 2300 B.C., and gained control of both Sumer and Akkad; he united them to form Babylonia, and his empire included all of Mesopotamia, and had significant influence to regions well beyond that area.
The second reigned around 1850 B.C., ruled Assyria early in its heyday.
The third also ruled Assyria, between 722 and 705 B.C., and was responsible for the final wave of attacks on the North Kingdom of Israel, conquering its capitol city Samaria; the Hebrew author Isaiah gives us information about him.
Three men, with the same name, in different countries, living over a thousand years apart!