History is a matter of scholarship as in research, peer review, and debate.. The fact is that, history can not be modified just to appease a certain section of the minority that might be offended by that history! Whether the facts are pleasing or disturbing, the history will remain as is and it is important for those who live in the following times to learn it and accept the Realities..
People can only learn the realities by being impartial, not by being prejudiced or narrow-minded.
Any material presented in this enlightening video can be proven in terms of their authenticity.