"Among all the varied film genres, probably the grandest, the most expensive, the most sweeping films made are those about war. This shouldn't be news to anyone. War is raw and ugly and bloody, and it takes place across entire continents at times. Translating the gruesome details of war onto film is both necessary and incredibly tricky.
However, plenty of talented filmmakers have taken up the charge of relaying a glorious battle to all of us civilians. And, a lot of them have done a damn good job of it. Audiences have been amazed by realistic depictions of famous events like D-Day, the Pearl Harbor attack, and the Battle of Dunkirk. Not just in one film, but in many over the years.
Some movies, and some directors, have done it better than others. In fact, some directors have been so ambitious in their execution, it's hard not to sit back in awe of their achievements"
Read more on https://whatculture.com/film/10-most-ambitious-war-films-ever-made
Enjoy!