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Paleolithic period
In the Paleolithic period,roughly 2.5 million years ago to 10,000 B.C. early humans lived in caves or simple huts or tepees and were hunters and gatherers. They used basic stone and bone tools, as well as crude stone axes, for hunting birds and wild animals. -
Neolithic period
The Neolithic Revolution started around 10,000 B.C. in the Fertile Crescent, a boomerang-shaped region of the Middle East where humans first took up farming. Shortly after, Stone Age humans in other parts of the world also began to practice agriculture. -
Metal Age
The period of the 3rd, the 2nd, and the 1st millennia BCE was a time of drastic change in Europe. This has traditionally been defined as the Metal Ages, which may be further divided into stages, of approximate dates as shown: the Bronze Age (2300–700 BCE) and the Iron Age (700–1 BCE), which followed a less distinctly defined Copper Age (c. 3200–2300 BCE).