https://www.openculture.com/2021/05/hear-the-earliest-recorded-customer-complaint-letter-from-ancient-sumeria-1750-bc.html
Hear the Earliest Recorded Customer Complaint Letter: From Ancient Sumeria 1750 BC | Open Culture
Dec 11, 2025 - Three-thousand, seven-hundred, and seventy-one years ago, in the city of Dilmun, near Ur in Mesopotamia, there was a merchant named Ea-nasir. His business was...
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