Earliest states possibly in shape 5,000 years ago www.chinaview.cn 2005-05-11 15:56:15 JINAN, May 11 (Xinhuanet) - Dozens of prehistoric states might have been developing in eastern China as early as 5,000 years ago,thousands of years before the birth of the first textually attested state that existed in Xia Dynasty (2100 B.C.-1600 B.C.), said a Sino-US archaeological research team. The presumption was based on a decade-long regional survey and excavation in Rizhao, a coastal city in east China's Shandong Province. Archaeologists with the team are almost sure they have identified the ruins of a prehistoric state dating back between 3,000 B.C....