There are several films that depict the American Civil War, but some of these movies contain glaring historical inaccuracies. While it's not possible to get everything correct about a well-documented period in history, some movies about the American Civil War seem to mix fact with fiction. Great care has always been taken when it comes to the depiction of the American Civil War, and some of the best Civil War movies make an effort to stay as close to history as possible.

https://screenrant.com/inaccurate-american-civil-war-movies/