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Bookmark or Share- Stone Age - Definition, Tools & Periods | HISTORYKean Collection/Getty Images. The Stone Age marks a period of prehistory in which humans used primitive stone tools. Lasting roughly 2.5 million years, the Stone Age ended around 5,000 years ago...
- Prehistory before written records (article) | Khan AcademyOverview. Scholars define prehistory as events that occurred before the existence of written records in a given culture or society. History refers to the time period after the invention of written records in a given culture or society.
- A Prehistoric Time Line and Geologic Time Scale - National GeographicPrehistoric time line, geologic time scale, photos, facts, maps, and more from National Geographic. Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history...
- Prehistory: Paleolithic, Mesolithic, Neolithic Periods, and MorePrehistory refers to the period of time before the advent of written records or documented history. It encompasses the vast span of time during which humans and their ancestors lived without leaving written accounts of their activities and events.
- Prehistory - WikipediaPrehistory, also called pre-literary history, [1] is the period of human history between the first known use of stone tools by hominins c. 3.3 million years ago and the beginning of recorded history with the invention of writing systems. The use of symbols, marks, and images appears very early among humans, but the earliest known writing ...
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