Prehistoric technology Ground and polished stone tools continued to be created and used during the Neolithic period. Numeric record keeping evolved from a system of counting using small clay tokens that began in Sumer about 8000 BC. The Stone Age developed into the Bronze Age after the Neolithic Revolution. The Neolithic Revolution involved radical changes in agricultural technology which included development of agriculture, animal domestication, and the adoption of permanent settlements. The Bronze Age is characterised by metal smelting of copper and its alloy bronze, an alloy of tin and copper, to create implements and weapons. Polished stone tools continued to be
Neolithic Expansion of the Middle East through the Old World. The Neolithic spread throughout Europe between about 8200 and 6000 years ago. Neolithic Expansion At the beginning of the Holocene, about 12,000 years ago, humanity entered a period of increasing technological sophistication, resulting in the Neolithic Revolution. Breadmaking considerably predates this period, but people in the Middle East now began cultivating wild cereal and pulses. Dogs had been domesticated over thousands of years; nomadic shepherding became possible through domestication of goats, sheep, horses, camels and cattle. About 7,000 years ago, livestock herding was sufficiently established to allow a widespread abandonment of hunter-gathering