Units 1 and 2 - Justin Johnson By JustinJohnson 38,000 BCE Modern humans, called Cro-Magnon,emerge 8000 BCE Neolithic Age begins Period: 5000 BCE to 500 BCE Agriculture develops in Egypt and Mesopotamia 3300 BCE Mesopotamian/Sumerians Settled Around Tigris and Euphrates 3000 BCE Unification of Egypt into One Kingdom 2500 BCE Indus Valley People Plan and Build First Cities Period: 1700 BCE to 1200 BCE Indo-Europeans Begin to Migrate 1000 BCE Minor kings began setting up kingdoms in India Period: 750 BCE to 550 BCE Hindu Teachers begin interpreting Vedic Hymns Period: 563 BCE to 483 BCE Siddhartha Gautama lives