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Sumer was the land of Sumerians in southern [[Mesopotamia]], in present-day Iraq.  Ur was the most important city.  The Sumerians greatest invention was [[cuneiform]] writing.  They also invented the first codes of law, the first [[city-states]], the seed plow, the sailboat, and the potter’s wheel.

Sumer was the land of Sumerians in southern [[Mesopotamia]], in present-day Iraq.  Ur was the most important city.  The Sumerians greatest invention was [[cuneiform]] writing.  They also invented the first codes of law, the first [[city-states]], the seed plow, the sailboat, and the potter’s wheel.