op ot am ia " ▁or ▁the ▁" Upper ▁Mes op ot am ian ▁Empire ". ) ▁Sh am sh i - Ad ad ▁I ▁proc laimed ▁himself ▁as ▁" K ing ▁of ▁All " ▁( the ▁title ▁had ▁been ▁used ▁by ▁S arg on ▁of ▁the ▁A kk ad ian ▁Empire ▁c . ▁ 2 3 3 4 ▁BC ▁– ▁c . ▁ 2 2 7 9 ▁BC ) ▁ ▁King ▁D ad ush a ▁of ▁E sh n un na ▁( fl . ▁c . ▁ 1 8 0 0 ▁BC ▁– ▁c . ▁ 1 7 7 9 ▁BC ), ▁made ▁an ▁al liance ▁with ▁Sh am sh i - Ad ad ▁I ▁to ▁conquer ▁the ▁area ▁between ▁the ▁two ▁Z ab ▁rivers ▁c . ▁ 1 7 8 1 ▁BC . ▁This ▁military ▁campaign ▁of ▁joint ▁forces ▁was ▁comm emor ated ▁on ▁a ▁victory ▁ste le ▁which ▁states ▁that ▁D ad ush a ▁gave ▁the ▁lands ▁to ▁Sh am sh i - Ad ad ▁I . ▁Sh am sh i - Ad ad ▁I ▁later ▁turned ▁against ▁D ad ush a ▁by ▁attack ing ▁cities ▁including ▁Sh adu pp um ▁and ▁N ere bt um . ▁On ▁ins cri ptions ▁Sh am sh i - Ad ad ▁I ▁bo asts ▁of ▁ere ct ing ▁tri um phal ▁st ela e ▁on ▁the ▁coast ▁of ▁the ▁Mediter rane an , ▁but ▁these ▁probably ▁represent ▁short ▁exped itions ▁rather ▁than ▁any ▁attempts ▁at ▁con quest . ▁His ▁campaign s ▁were ▁met