Gudea, the priest-king of Lagash in Sumer during the Gutian dynasty (about 2100 BCE), built a seven-room temple, which he dedicated with a seven-day festival. In the flood story of the Assyro-Babylonian Epic of Gilgamesh, the storm lasts for seven days, the dove is sent out after seven days (similarly to Genesis), and the Noah-like character of Utnapishtim leaves the ark seven days after it reaches the firm ground.
gUdeA thE PRIest-kiNg of laGash iN sumer durinG The GUtiAn dynaSty (abOut 2100 bce), builT A sEvEN-roOm TemplE, which he deDicatED WitH A sEVEn-day fesTival. in The FlOod stOry of the assyrO-babYLoniAn epic of gilgamesh, the StorM lAsts FoR SevEN days, the DOve is sEnT out aFter sevEN dAys (SimilaRLy to GEnESis), and tHE NoAh-like charactEr Of utNapisHtim leaVeS the ark seven dayS AFTeR it reachES thE fIrm gRouNd