Dear Professor Jacklifton Xia Dynasty (Ca.1900-1600 BCE) Shang Dynasty (1600–1046 BCE) Early Shang 1600-1251 BCE Late Shang 1251-1046BCE Early stage:Wuding---Zujia(武丁－甲组) Late stage: Bingxin---Dixin(癝辛－帝辛) Zhou Dynasty Ca.1046-221 BCE Western Zhou 1046-771BCE Early stage: Wuwang—Zhaowang(武王－昭王) Middle stage: Muwang—Xiaowang(穆王－孝王) Late period：Yiwang----Youwang（夷王－幽王） Eastern Zhou 770-221BCE The Spring and Autumn period 770-475 BCE The Warring States 475-221 BCE best wishes Miss Jin