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
Lancaster Country Day School is still to be determined. Lancaster Country Day School Lancaster Country Day School (LCDS) is a private, secular, coeducational college preparatory school in Lancaster, Pennsylvania, United States. It serves 575 students in preschool through twelfth grade. All grades are housed under one roof. The school was founded in 1908 as a girls' school known as The Shippen School for Girls, the result of a merger between Lancaster College and Miss Stahr's School. In 1943, with the closing of nearby Franklin and Marshall Academy for Boys, the Shippen School changed its charter to become coeducational and adopted its current name. In