- There is evidence of cultural influence between ancient Sumerian and Egyptian civilizations as early as 3100-2900 BC, including pottery styles, cylinder seals, and architectural motifs found in Early Dynastic Egyptian tombs that resemble buildings depicted on Sumerian seals.
- Writing originated in Sumer by 3300 BC and included over 700 distinct signs, while major developments in metallurgy, plow agriculture, and wheeled transport also occurred in Mesopotamia during this time period, indicating more advanced civilization than in pre-dynastic Egypt.
- Scholars debate the extent and nature of influence between these early civilizations but many believe Egypt's rapid development of monumental architecture, arts, and