Early Dynastic Period (Mesopotamia) Early Dynastic Period (Mesopotamia) The Early Dynastic period (abbreviated ED period or ED) is an archaeological culture in Mesopotamia (modern-day Iraq) that is generally dated to c. 2900–2350 BC and was preceded by the Uruk and Jemdet Nasr periods. It saw the invention of writing and the formation of the first cities and states. The ED itself was characterized by the existence of multiple city-states: small states with a relatively simple structure that developed and solidified over time. This development ultimately led to the unification of much of Mesopotamia under the rule of Sargon, the first monarch of the Akkadian
Country Day School movement Country Day School movement The Country Day School movement is a movement in progressive education that originated in the United States in the late 19th century. Country Day Schools seek to recreate the educational rigor, atmosphere, camaraderie and character-building aspects of the best college prep boarding schools while allowing students to return to their families at the end of the day. To avoid the crime, pollution and health problems of the industrial cities of the early 20th century, the schools were sited in the 'country,' where wealthy families owned large homes in what would later be known as suburbs. The