Which river valley is most fertile in South India?

Kaveri river

The first civilizations formed on the banks of rivers. The most notable examples are the Ancient Egyptians, who were based on the Nile, the Mesopotamians in the Fertile Crescent on the Tigris/Euphrates rivers, the Ancient Chinese on the Yellow River, and the Ancient India on the Indus.

Examples of early river valley civilizations include the Indus Valley Civilization, Ancient Egypt (on the Nile), Mesopotamia (along the Tigris and Euphrates Rivers), and Chinese civilization along the Yellow River.

Most civilizations began near rivers and lakes. The people needed the water for drinking and growing plants, a skill learned during the Neolithic Revolution. River Valleys became ideal locations for cities and settlements because of the fertile land surrounding the river beds.

Why isn’t the Fertile Crescent more fertile? Why would the earliest societies have sprung up in such an arid, forbidding place? The land between the Tigris and the Euphrates, south of Baghdad, can be categorized as “silt desert”: It is dry, yet very rich from millions of years of river deposits.

In the 4th century BCE, Alexander the Great notably expressed a desire to conquer the world, and a legend persists that after he completed his military conquest of the known ancient world, he “wept because he had no more worlds to conquer”, as he was unaware of China farther to the east and had no way to know about …

The first kingdoms were established about 3000 BCE in Sumer and Egypt. Sumer was a kingdom that existed between the Tigris and Euphrates Rivers in modern Iraq. The Sumerians had their own written language and undertook complicated construction projects, such as irrigation canals and large temples called ziggurats.

Others say the start date should be the 1490s, while other historians date the empire from the early 1600s. The end of the empire came in the years after World War 2, with most of Britain’s colonies ruling themselves independently by the late 1960s.