Mesopotamia, Sumer, cuneiform, writing, hieroglyphics;
much of interest may be found thru these links:
5000 years ago, people lived in great cities,in high-rise buildings,with plumbing and running water and they knew all the planets
and mathematics and writing and medicine and politics... click Mesopotamia and Sumeria for more info

MESOPOTAMIA
 
Ancient Epics - Babylonian, Sumerian Pre-Biblical writings
The Book of Enoch - Biblical Apocrypha
DID YOU
KNOW?
The concept of dividing a whole unit into 60 parts, and then dividing each of these parts into 60ths, and so on, began in the mesopotamian region.There is evidence (drawn from clay tablets excavated at a site known as Jemdet Nasr, located in present day Iraq) that the workings of a "base sixty" (sexagismal) system was already in use by about 3,000 B.C.

ANCIENTMYSTERIESHOME