Timeline Project (South/Central Asia) By KennethYM1999 7000 BCE Agricultural Experimentation had begun in the Indus River Valley 1900 BCE Aryans Peoples from the Central Asian Steppes invaded the Harappan Society 1750 BCE Aryan Migration 1500 BCE The Vedic Age started 1500 BCE The Caste System was created 600 BCE Towns spread across northern India that served as marketplaces and manufacturing centers. 500 BCE India had developed a distinctive cultural tradition, strong social structures, and powerful armies 326 BCE Invasion of Alexander the Great 320 BCE Chandragupta Maurya created the first centralized state in India 250 BCE Development of Sanskritic Culture
