revisionist:
(plural: ‘revisionists‘; for the right pronunciation of this word, please click here)
a person/a Communist who questions the main beliefs, or who tries to rewrite, already existing Marxist political system, especially in order to justify a retreat from communism or revolutionary position, or any other political or historical belief,

a group of revisionists who denies the Holocaust in WW II, that act of killing millions of Jew by Nazi Germany
David Irving, the famous British historian who specialises in military and political history of WW II, is known to be a revisionist who, along with some other prominent figures, denies the mass killings of Jew by the Nazis.
Mao was supposed to be control of the cultural revolution and with the support of the strong army was able to oust the revisionists in China.
The Internet is believed to be a dream come true for today’s revisionists who read the history and check if the facts in our already existing history are facts or fiction made by the winners of wars.

