World History chapter 2 By justindorce Period: 3500 BCE to 2350 BCE Sumerian civilization Period: 3100 BCE to 20 BCE Egyptian civilization Period: 3000 BCE to 1800 BCE Norte Chico civilization Period: 2200 BCE to 1700 BCE Indus Valley civilization Period: 2200 BCE to 1700 BCE Oxus civilization Period: 2200 BCE to 1 BCE Chinese civilization Period: 1200 BCE to 400 BCE Olmec civilization