Who were the Gutians and how did they affect Mesopotamia?

The Gutians were a mountain people originating from the central Zagros Mountains who emerged as a significant political force in ancient Mesopotamia during the 3rd millennium BCE.12

Their impact on Mesopotamia included:

• Overthrow of Akkad: Around 2230 BCE, the Gutians invaded Babylonia, contributing to the collapse of the Akkadian empire.12
• Political Turmoil: Their period of influence, lasting approximately one century until about 2130 BCE, is traditionally characterized by historians as an era of political instability and cultural stagnation. However, modern scholars note that this view is largely based on biased, stereotyped accounts from later Sumerian and Akkadian sources.12
• Informal Control: It is unlikely the Gutians maintained a centralized state or established a capital in southern Mesopotamia. Instead, they likely exerted influence as "viceroys" or through informal control from outside the region, while some cities, such as Lagash, maintained independence.12
• End of Rule: The Gutian dynasty ended when Utu-khegal of Uruk defeated their last king, Tirigan. While they continued to pose a threat from the mountains, they never regained control of southern Mesopotamia.13