Beginnings (6 to 2 Ma)
Out of Africa (2 Ma and later)
Enter Homo sapiens (300,000 years ago and later)
Modern humans in the North (50,000 to 12,000 years ago)
After the ice (15,000 years ago and later)
Farmers and herders (c. 12,000 years ago and later)
Villages, towns, and chiefs (after about 10,000 years ago)
Sumerians and Assyrians (c. 3100 to 612 BCE)
By Nile and Indus (c. 3100 to 30 BCE)
China and Southeast Asia (after 5250 BCE to 15th century CE)
Mesoamerica (c. 1500 BCE to 1532 CE)
Andean civilizations (3000 BCE to 1532 CE)
Epilogue.