REVISIONS
A long time ago in the misty dawn of history, humans walked everywhere. They migrated across distances that we today think of as only travelable by airplane or train. Proto-Caucasian skulls have been found scattered between Bulgaria and the Fertile Crescent and even as far south as the Mediterranean coast. These people were walking across Europe and the Middle East more than a hundred centuries ago. During this period, the people we would later call the Sumerians traveled the river ways and settled on Dilmun, the largest island in the Persian Gulf. During the fourth millennium, the Sumerians crossed back to the main land and peacefully integrated into the existing Ubiad society. {1} The Ubaids were a prehistoric society characterized by open villages and the first public temples, but it was not yet a civilization. Immediately after the two societies integrated, Ubiad society experienced a plethora of advances in a short period of time. Advances the Sumerians shared with the U