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.
Overview and Timeline of Ancient Mesopotamian Civilization. Mesopotamia is one of the cradles of human civilization. Here, the earliest cities in world history appeared, about 3500 BC. c. 5000-3500 BC: The first city-states gradually develop in southern Mesopotamia. This is the achievement of the Sumerian people.