Rasheed'* question was how could anyone know what had happened so many years ago. There are various ways by which the people can know about the past.
(1) The *** left by the early man in the form of tools. weapons, pottery, jewellery etc.
(2) After man had learnt the art of writing. He wrote on leaves, bark of the trees and even on hard material. We have been able to read the script of these people (in many case).
