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The first city-states gradually develop in southern Mesopotamia. This is the
achievement of the Sumerian people -
Babylonia is conquered by the Kassites, who rule the area for 400+ year
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King Hammurabi of Babylon conquers a large empire. Hammurabi is famous for the
law code which he issues. His empire begins to decline immediately after his death -
King Sargon of Akkad starts conquering the first empire in world history. The empire
reaches its height in 2220 BC -
Writing begins to be developed. At first this is based on pictograms, and takes about a
thousand years to evolve into a full cuneiform scrip