Unit 1 - Technological & Environmental Transformations 8000 BCE to 600 CE
Unit 2 - Organization and Reorganization of Human Societies c.600 BCE to 600 CE
Unit 3 - Regional and Transregional Interactions c.600 CE to 1450 CE
Unit 4 - Global Interactions c.1450 CE to c.1750 CE
Unit 5 - Industrial and Global Integration c.1700 - c.1900
Unit 6 - Accelerating Global Change & Realignments, c.1900 - Present