About the film
Verdun: Visions of History is a 1928 French docudrama film directed by Léon Poirier. It portrays the battle of Verdun, primarily by recreating the battle on its location, but also with the use of newsreel footage and dramatic scenes. Most of the people in the film are actual French and German World War I veterans, including Marshal Philippe Pétain who portrays himself.
The film has a pacifist message.
From the film's Wikipedia article (CC BY-SA 4.0).