Humans have been around for a long time.  In Japan specifically, humans have been traced all the way back to prehistoric times.
Wow, that's interesting! About how long have humans been around?
first known written reference to Japan was recorded in the Chinese "Book of Han" in the first century AD. Between the fourth century and the ninth century, Japan's many kingdoms and tribes gradually came to be unified under a centralized government, nominally controlled by the Emperor. This imperial dynasty continues to reign over Japan. In 794, a new imperial capital was established at Heian-kyō (modern Kyoto), marking the beginning of the Heian period, which lasted until 1185. The Heian period is considered a golden
The area now known as Vietnam has been inhabited since Palaeolithic times, with some archaeological sites in Thanh Hóa Province reportedly dating back around half a million years ago. The prehistoric people had lived continuously in local caves since around 6000 BC, until more advanced material cultures developed. Some caves are known to have been the home of many generations of early humans. As northern Vietnam was a place with mountains, forests, and rivers, the number of tribes grew between 5000 and 3000 BC.
Prior to the beginning of