Early Dynastic Period (Mesopotamia)
Periodization

Period
Middle Chronology All dates BC
Short Chronology All dates BC
ED I
2900–2750/2700
2800–2600
ED II
2750/2700–2600
2600–2500
ED IIIa
2600–2500/2450
2500–2375
ED IIIb
2500/2450–2350
2375–2230

Question: What were the dates where the The Early Dynastic period existed?
Answer: The Early Dynastic period (abbreviated ED period) dated from c. 2900–2350 BC.