Exploring the Roots of Mesopotamian Civilization: Excavations at Tell Zeidan, Syria Gil Stein, Oriental Institute The Ubaid period (6th-5th millennia BC) saw the first establishment of towns and villages across Mesopotamia. This period provides the first evidence for the emergence of political leadership, economic differences between rich and poor, irrigation-based economies, dominating regional centers or towns, and the development of temples in these centers. In this lecture, Gil Stein discusses recent excavations at the Ubaid-period site of Tell Zeidan in Syria and the expansion of Ubaid culture across Mesopotamia. Persons with disabilities who need an accommodation in order to participate in this event should contact the event sponsor for assistance. Our lectures are free and available to the public thanks to the generous support of our members. To become a member, please visit: bit.ly/2AWGgF7