BINGO!Each side wants to teach its own version of history. We know from reading the daily newspapers that liberal history is full of endless lies, eg Hillary was a great Secretary of State, Obama is a great leader, Reagan was a dunce who wrecked the economy, etc. It's why the states were foolish to cede control of their school cirricula to a group of liberals under the guise of Common core.
Progressives idea of "history" rarely has anything to do with factual history. They revise it constantly to suit their bull shit lying narrative.