entity_id,period_id,confidence,rationale,source_id,review_status ENT_MES_GILGAMESH,PER_MES_EARLY,medium,Gilgamesh appears in the Sumerian king list as a king of Uruk in the Early Dynastic period (c. 2700 BCE); Sumerian Gilgamesh poems date to c. 2100-2000 BCE (Ur III period),SRC_ETCSL,reviewed ENT_MES_GILGAMESH,PER_MES_OLD_BAB,high,"Old Babylonian Epic of Gilgamesh (c. 1700 BCE) is the most developed early version; the Standard Babylonian version (Sin-leqi-unninni, c. 1200 BCE) is the canonical form",SRC_GEORGE_GILGAMESH,reviewed