jan 1, 3500 BC - Emergence of River Valley Civilizations – (c. 3500 BCE)
Description:
The first major civilizations arose in fertile river valleys:***Mesopotamia (Tigris & Euphrates): City-states like Uruk and Ur, cuneiform writing, ziggurats.***
***Egypt (Nile): Centralized rule under pharaohs, pyramids, hieroglyphics, and a calendar based on the Nile’s flooding.***
***Harappan Civilization (Indus River): Cities like Mohenjo-Daro with grid planning, drainage systems, and standardized weights.***
***Huang He Civilization (Yellow River): Early dynasties like Xia and Shang, bronze tools, oracle bones, and ancestor worship.***
These civilizations shared traits like organized governments, social hierarchies, writing systems, and monumental architecture.
Added to timeline:
Date:
jan 1, 3500 BC
Now
~ 5530 years ago