#DamnatioMemoriae en.wikipedia.org/wiki/Damnati... oldest known examples of such practices come from around 3000–2000 BC. He cites the example of #Lagash (an ancient city-state founded by the #Sumerians in southern #Mesopotamia),

Damnatio memoriae - Wikipedia
Damnatio memoriae - Wikipedia

where preserved inscriptions concerning a conflict with another city-state, #Umma, do not mention the ruler of Umma, but describe him as "the man of Umma".
#Zawadzki sees this as an example of deliberate degradation of the ruler of #Umma to the role of an unworthy person whose name and position in history the rulers of #Lagash did not want to record for posterity.