When Marduk heard Enlil gave rule of Uruk to his grandaughter Inanna, Maduk "a sacred city of his own in the Edin from Enlil he forthwith demanded."  But "Enlil to Marduk's appeal paid no heed."  [Sitchin, Z., 2002, The Lost Book of Enki, page 281]

The Enlilites were firmly in control of most of Mesopotamia.  In 3760 B. C., Enlil' s grandaughter Inanna choose the first King, the Lugal.  The Lugal represented the Lords to the Adapites there.   23 successive Lugals ruled the Adapites.  Enlilite-appointed lugals  ruled the Land Between the Rivers for '24, 510 years.  They shifted their administrative centers from Kush to Inanna's Uruk, then to Akad--all areas ruled by the the Anunnaki Council.  

Though "Sumer was the heartland of the Enlilite territories," on its south edge, Enki's rebuilt settlement, Eridu, was, at King Anu's insistence, forever the possession of Enki himself.  In 3460 B.C.E. Marduk "decided he would extend his father's privilege" of a base in Mesopotamia.  For his base, Marduk chose Babylon on the Euphrates River as his headquarters.  "It was built between the rebuilt Nippur (the pre-Deluvial Mission Control Center) and Sippar (the pre-Deluvial spaceport of the Anunnaki)."  Marduk "had in mind a facility that served both functions."  He named the place, Bab-Ili, "Gateway of the gods"–a place from which the gods could ascend and descend, where the main facility was to be a "tower whose head shall reach the heavens–a launch tower." [Sitchin, Z., 2007, The End of Days, page22] 

Enlil asked Marduk to drop the project peacefully, but Marduk kept building the launch tower of Babylon [Sitchin, Z., 1995, Divine Encounters, page 110 - 115; 2002, The Lost Book of Enki, pages 281 - 282].

By 3450 B.C., Enlil told his lineage lieutenants--sons and grandchildren--"Marduk an unpermitted Gateway to Heaven is building, to Earthlings he is entrusting.   If we allow this to happen, no other matter of Mankind shall be unreached."  "This evil plan must be stopped, " said Enlil's Champion, his eldest son, Ninurta. 

 Marduk fled to Enki/Ptah's region, the Nile. 

The Enlilites scattered Marduk's 'servants" and programmed them to different languages and scripts.