The Sumerian city of Uruk is the oldest inhabited civilized city in the world 6000 - 4000 years before Christ, and from it, the first written letter was launched to all parts of the Earth.
From it came the first literary epic in history, which is the famous Epic of Gilgamesh, from which the name of Iraq was derived and in which the first domestication of poultry was recorded
The establishment of the irrigation system Agriculture and Architecture was also recorded, and the first written writing in history is the Sumerian cuneiform script written on a clay tablet.