A History of World Societies:
Printed Page 27
A History of World Societies Value
Edition: Printed Page 29
| ca. 4.4 million years ago | Ardipithecus evolve in Africa |
| ca. 2.5– |
Australopithecus evolve in Africa |
| ca. 500,000– |
Homo erectus evolve and spread out of Africa |
| ca. 250,000– |
Paleolithic era |
| ca. 250,000 years ago | Homo sapiens evolve in Africa |
| ca. 30,000– |
Neanderthals flourish in Europe and western Asia |
| ca. 120,000 years ago | Homo sapiens migrate out of Africa to Eurasia |
| ca. 50,000 years ago | Human migration to Australia |
| ca. 20,000– |
Possible human migration from Asia to the Americas |
| ca. 25,000 B.C.E. | Earliest evidence of woven cloth and baskets |
| ca. 15,000 B.C.E. | Earliest evidence of bows and atlatls; humans cross the Bering Strait land bridge to the Americas |
| ca. 15,000– |
Final retreat of glaciers; megafaunal extinctions |
| ca. 9000 B.C.E. | Beginning of the Neolithic; horticulture; domestication of sheep and goats |
| ca. 7000 B.C.E. | Domestication of cattle; plow agriculture |
| ca. 5500 B.C.E. | Smelting of copper |
| ca. 5000 B.C.E. | Invention of pottery wheel |
| ca. 3200 B.C.E. | Earliest known invention of writing |
| ca. 3000 B.C.E. | Development of wheeled transport; beginning of bronze technology |
| ca. 2500 B.C.E. | Bronze technology becomes common in many areas; beginning of the Bronze Age |