Tomb from 11th century BC found... by accident Wang Shanshan 2004-05-19 06:52 Chinese archaeologists accidentally discovered a cemetery that may include the oldest tomb ever discovered of the Western Zhou Dynasty (11th century to 771 BC). This week's find in Qishan County, Northwest China's Shaanxi Province may shed light on the mystifying history of the dynasty. The four centuries of its rule mark the basis for ancient China's political and cultural systems. The traditional ritual and music systems that originated then prevailed until the 19th century, said Li Xueqin, a historian with the Chinese Academy of Social Sciences. To date,...