Map showing the extent of Mesopotamia The Civilization of Mesopotamia ranges from the earliest human occupation in the Paleolithic period up to Late antiquity. This history is pieced together from evidence retrieved from archaeological excavations and, after the introduction of writing in the late 4th millennium BC, an increasing amount of historical sources. Mesopotamia has been home to many of the oldest major civilizations, entering history from the Early Bronze Age, for which reason it ... History of Mesopotamia - Archaeology, Excavations, Ancient Civilizations: More than 150 years separate the first excavations in Mesopotamia —adventurous expeditions involving great personal risks, far from the protection of helpful authorities—from those of the present day with their specialist staffs, modern technical equipment, and objectives wider than the mere search for valuable antiquities. The progress of six generations of excavators has led to a situation in which less is ... Mesopotamia [a] is a historical region of West Asia situated within the Tigris–Euphrates river system, in the northern part of the Fertile Crescent. It corresponds roughly to the territory of modern Iraq [1][2] and forms the eastern geographic boundary of the modern Middle East.