WORLD CIVILIZATION

Detailed explanation-1: -Sumer, site of the earliest known civilization, located in the southernmost part of Mesopotamia, between the Tigris and Euphrates rivers, in the area that later became Babylonia and is now southern Iraq, from around Baghdad to the Persian Gulf.

Detailed explanation-2: -Mesopotamia is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the Fertile Crescent. Today, Mesopotamia occupies modern Iraq. In the broader sense, the historical region included present-day Iraq and parts of present-day Iran, Kuwait, Syria and Turkey.

Detailed explanation-3: -The Sumer. The Sumerians are thought to have formed the first human civilization in world history. They lived in southern Mesopotamia, between the Tigris and Euphrates Rivers in the Middle East. Many historians think that cities and towns were first formed in Sumer around 5000 BC.