unhistory
/ˈʌnhɪˈstri/Definitions
1. noun
The absence or distortion of historical records or facts.
“The discovery of lost documents uncovered a fragment of unhistory, changing our understanding of the event.”
2. verb
To distort or manipulate historical records or facts.
“The politician was accused of unhistory, trying to rewrite the country’s past to suit his own agenda.”