He created the Code of Hammurabi
The Reign of Hammurabi
1792-1750 bc
Sargon. Hammurabi reigned some 200 to 250 years after him.
Hammurabi realized that cruel kings had a short reign. He put laws in a codified manner.
42 years in 1750 B.C
Hammurabi ruled Mesopotamia, the land between the Tigris and Euphrates rivers, from 1792 to 1750 BC. Most of his reign was spent protecting his frontiers and fostering the internal prosperity of the empire.
The neighbor cities were commanded by cruel persons and the reigns were short because of this reason. Hammurabi wrote the code and thus his reign were longer.
King Hammurabi reigned from around 1792 to 1750 BCE. The Assyrian Empire began to emerge around the 14th century BCE, gaining significant power by the 10th century BCE. Therefore, the Assyrian Empire was established approximately 700 to 800 years after Hammurabi's reign.
(The article on "Hammurabi" from the Encylopedia Britannica says he was not a well man towards the end of his reign, and was sick before he died. That would imply it was of natural causes.
He noticed that cruel kings had a short reign so started the code and finished it.
the people of the Indus Valley were creating an irrigation system
It showed them what to do and what not to do to do.