Sumer
Sumer () is the earliest known civilization in the historical region of southern Mesopotamia, modern-day southern Iraq, during the Chalcolithic and Early Bronze ages, and one of the first civilizations in the world along with Ancient Egypt and the Indus Valley. Living along the valleys of the Tigris and Euphrates, Sumerian farmers were able to grow an abundance of grain and other crops, the surplus of which enabled them to settle in one place. Prehistoric proto-writing dates back before 3000 BC. The earliest texts, from c. 3300 BC, come from the cities of Uruk and Jemdet Nasr; early cuneiform script emerged around 3000 BC.
Ancient Near East
Sumer, located in southern Mesopotamia, is the earliest known civilization in the world. It lasted from the first settlement of Eridu in the Ubaid period (late 6th millennium BC) through the Uruk period (4th millennium BC) and the Dynastic periods (3rd millennium BC) until the rise of Assyria and Babylon in the late 3rd millennium BC and early 2nd millennium BC respectively. The Akkadian Empire, founded by Sargon the Great, lasted from the 24th to the 21st century BC, and was regarded by many as the world's first empire. The Akkadians eventually fragmented into Assyria and Babylonia.