Tight Feeling in Throat. A tight feeling in your throat can be very uncomfortable. This can also be an alarming sensation if you are unsure what is causing it. Different causes can cause a tight feeling in the throat to appear intermittently or constantly.
The origins of civilization can be traced to a group of people living in southern Mesopotamia called the Sumerians. By c.3500 BCE, the Sumerians had developed many of the features that characterized subsequent civilizations.
The Mesopotamian civilization of Sumer emerges in the Ubaid period (6500-3800 BC) and Uruk period (ca. 4000 to 3100 BC), culminating in the mid-3rd millennium before giving rise to the Akkadian Empire in the 24th century BC.This is often identified as the first empire in history.he earliest proto-urban settlements with several thousand inhabitants emerged in the Neolithic. The first cities to house several tens of thousands were Memphis and Uruk, by the 31st century BC (see Historical urban community sizes).