The Hebrews and Egyptians (4000 B.C.E.-100 C.E.) -- The Greeks and Romans (1200 B.C.E.-500 C.E.) -- The Middle Ages (500-1500 C.E.) -- The Renaissance and the Enlightenment (1300-1750 C.E.) -- The Industrial Revolution (1750-1900 C.E.) -- Modern times (1900 C.E.-present day).