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
Cincinnati Country Day School called "The Scroll" (www.scrollonline.net), and is part of the National Scholastic Press Association. Country Day fields 20 teams in 15 sports. The school is accredited by the Ohio High School Athletic Association, and plays their games in the Miami Valley Conference. Cincinnati Country Day School Cincinnati Country Day School (abbreviated Country Day or CCDS) is a private, coeducational, Independent School located in Indian Hill, Ohio, a suburb of Cincinnati. <https://www.countryday.net/about-ccds> Inspired by the Country Day School movement, which began in Baltimore twenty years prior, the school was founded in 1926 and now enrolls approximately 870 students from early childhood through