the meantime

Destruction of Yin kingdom.
It's 900 years ago from the time of Sima Qian.
In short，Yin kingdom seems to have followed more than 700 years.
(around 1751 BC－around 1050 BC)

And character seems to have been invented  in the middle of this period.
 　
Record of the genealogy of the Yin king had left the era of Sima Qian.
Perhaps, this would be sure.　

By the way，a record of this era was writing to bamboo basically.
Paper was invented around one century in China. (around 105 AD)
It is 200 years after of era of Sima Qian.

During this time and after this，there were many troublous times at China.
Valuable record of many lost in the meantime.
　
With era progresses，people were no longer able to confirm the presence of Yin kingdom unawares.　
　
It would be like that probably.

　
・・・・・・・・・


"Record of Yin kingdom was left up to the era of Sima Qian luckily.
I can understand it.
But its record is really accurate in the first place?
Because its record is from before 1600 years."

I have question like that.

Above all，Yin kingdom seems did not have the character in their initial.
It would be irresponsible for information about there.
I thought so.　

In short，somebody wrote the genealogy of the king in the imagination.
(About the early days of Yin kingdom in particular.)
To be extreme, it wrote of 900 years ago of era of Sima Qian.
　
Because it will be like a mythological age of Japan probably，it would such a thing.
Also I thought so.
　
However，this may be idea by Japanese.