Units 1 & 2 - Gabrielle Jackson By jacksgabCrCp1 38,000 BCE Modern humans, called Cro-Magnons, emerge 8000 BCE Neolithic Age begins 5000 BCE Agriculture develops in Egypt and Mesopotamia 3300 BCE Mesopotamians/Sumerians settled around Tigris and Euphrates 3000 BCE Unification of Egypt into one kingdom 2500 BCE Indus Valley people plan and build first cities 1700 BCE Indo-Europeans begin to migrate 1000 BCE Minor kings began setting up kingdoms in India 750 BCE Hindu teachers begin interpreting Vedic hymns 563 BCE Siddhartha Gautama lives