The Shang Dynasty (1766-1122B.C.E) was originally a tribe that that existed in the lower Yellow river valley during the Xia Dynasty. The over throw of the tyrannical Xia ruler Jie, subsequently the last Xia emperor, marked the beginning of the Shang Dynasty. Established by the Emperor Tang, the Shang Dynasty came about in the middle of the Bronze Age, the first society to move towards written records and really leave behind architectural evidence of their existence, such progressions had a huge influence on later chinese civilizations.