Ancient China By Miacats Period: 2070 BCE to 1650 BCE Xia Dynasty Period: 1650 BCE to 1050 BCE Shang Dynasty Period: 1050 BCE to 221 BCE Zhou Dynasty 551 BCE Birth of Confucius Period: 475 BCE to 221 BCE The warring states 246 BCE Yin Zheng becomes king of Qin 221 BCE Ying Zhen becomes the first emperor of a united China Period: 221 BCE to 206 BCE Qin Dynasty Period: 206 BCE to 220 Han Dynasty