pre-sumeria

Mesopotamia, Euphates, Tigris, Eridu, Ur, Nippur and Kish, Assur..

Also see the Xia and Shang Dynasties, the Indus River valley, the Yellow River valley (and the Yellow River Loop), the Yangtze River valley, Teotihuacan and the central Mexican plateau, the Guatamalan highlands and the Yucatan peninsula with regard to the Mayans, in what is now Peru, look up the Norte Chico and Nazca cultures, as well as the Tawantinsuyu, which is usually referred to as the Inca civilization.

Check out Angkor Wat in what is now Cambodia, and Prambanan on the island of Java.

If i think of any more, i'll let ya know . . .

thanks guys this should keep me busy for like 12 hours alone lol.