Very insightful article from the always informative Walter E. Williams.
George Orwell said, The most effective way to destroy people is to deny and obliterate their own understanding of their history.
In the former Union of Soviet Socialist Republics, censorship, rewriting of history, and eliminating undesirable people became part of Soviet effort to ensure that the correct ideological and political spin was put on their history.
Deviation from official propaganda was punished by confinement in labor camps and execution.
Today there are efforts to rewrite history in the U.S., albeit the punishment is not so draconian as that in the Soviet Union.