Historical revisionism has both a legitimate academic use and a pejorative meaning.Within the academic field of
history, historical revisionism is the critical reexamination of historical facts, with an eye towards rewriting histories with newly discovered information. The assumption is that history as it has been traditionally told may not be entirely accurate.The pejorative use refers to illegitimate manipulation of history for political purposes, for example
Holocaust denial. This meaning is described further in the article
historical revisionism (negationism).
See more at Wikipedia.org...