pseudohistory

noun2

1. •
   False history.

   • When asked what could possibly justify their aggression, they responded with nothing but pseudohistory and mythology.
2. •
   Any work claiming to be a historical account without using established historiographical methods, especially one using personal speculation or questionable evidence without necessary care or concern for the truth.

   • The contemptible trick practised by Mr. Anderson, in the first chapter of his pseudo-history, must not pass without due correction. — 1815