Historians duty is writing history books and supplying information about history of subject/s and its turning points TO INSTRUCTORS AND PRACTITIONERS OF ALL OTHER FIELDS OF KNOWLEDGE(complex-mindset). Historians place of work is in every city/dist university history depts. With the help of computer systems,historians work became social(third party) from past personalised(one-to-one) history writings. Historians of every century are often influenced or forced to pervert history happenings and turning points. But social reactionaries and social anarchists in present democratic world may misguide public about history at the present end times to be in power.And history and historians will place social reactionaries and social anarchists at their places which are academic colleges in every city/district AT THE ULTIMATE.