EARLY HISTORY OF HUMAN SPECIES


               Big Bang Theory posits beginning of physical universe about 14 billion years ago. 

Our earth seems to have come into existence about 4 billion years ago. After bacteria and 

viruses, living creatures in simple forms appeared. Evolving from other animal specie, human 

species (Homo Sapiens Sapiens) came into existence on the earth only about one hundred to 

two hundred thousand years ago. Its geographical origin seems to be in some region of Africa. 

From there human beings spread into different parts of the earth. Geographical and climactic 

divisions produced specializations within human beings in terms of skin pigment, hair characteristics, 

shape of the skull and the bone structure of the face. All main racial groups were established by 

10,000 bc.


                                [ Base on 'History of the World', M. Roberts, 1993 ]

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