Assertion: jōmon period | /r/HasProperty | 縄文時代
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text: The Jōmon period (縄文時代, Jōmon jidai) is the time in Japanese prehistory, traditionally dated between c. 14,000–300 BCE, recently refined to about 1000 BCE, during which Japan was inhabited by a hunter-gatherer culture, which reached a considerable degree of sedentism and cultural complexity.