The history we don't know about and even that is not in writen formate is known as prehistory.

It was a theory that some rasis and nation are better and good in their nature. But v.Gordon children was first prehistorian who challenged this theory and even hitler. What he said about history that all dependent on metaril bases of  society and economical condition of society and in modern times the development of society depends on class contradiction. 

Here i am starting a introductory artical about v.Gordon childe and his point of view about history.