7 Sapiens: A Brief History of Humankind by Yuval Noah Harari The Cognitive Revolution (c. 70,000 BCE) The (first) Agricultural Revolution (c. 10,000 BCE) The Unification of Humankind (c. 34 CE) The Scientific Revolution (c. 1543 CE) 3 comments · 1d ago · by Mark Coakley #anthropology#archeology#history
