I just returned from Japan and have found a lot of interesting information like Japanese archipelago has been traced to prehistoric times
Japanese archipelago? is that in the northern region?
History of Japan
The history of Japan covers Japan and its relation to the world. It is characterized by isolationist, semi-open and expansionist periods.
Please see the era classifications for details of each era.
The very first human habitation in the Japanese archipelago has been traced to prehistoric times around 30,000 BCE. The Jōmon period, named after its "cord-marked" pottery, was followed by the Yayoi in the first millennium BC when new technologies were introduced from continental Asia. During this period, the
through the subdivision of an earlier single province in prehistoric or protohistoric times.
Although the etymological origins of Wa remain uncertain, Chinese historical texts recorded an ancient people residing in the Japanese archipelago, named something like *"ʼWâ" or *"ʼWər" 倭. Carr surveys prevalent proposals for the etymology of "Wa" ranging from feasible (transcribing Japanese first-person pronouns "waga" 我が "my; our" and "ware" 我 "I; we; oneself") to shameful (writing Japanese "Wa