せっきじだい
石器時代
1. Stone Age
2. Stone AgeThe Stone Age is a broad prehistoric period during which stone was widely used in the manufacture of implements with a sharp edge, a point, or a percussion surface. The period lasted roughly 2.5 million years, and ended between 4500 BCE to 2000 BCE with the advent of metalworking. Stone Age artifacts include tools used by humans and by their predecessor species in the genus Homo, as well as the earlier partly contemporaneous genera Australopithecus and Paranthropus.
Read “Stone Age” on English Wikipedia
Read “石器時代” on Japanese Wikipedia
Read “Stone Age” on DBpedia
Read “Stone Age” on English Wikipedia
Read “石器時代” on Japanese Wikipedia
Read “Stone Age” on DBpedia
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