On the Firing Line with the Germans

American-made 1915 documentary that follows the Imperial German army as it pushes eastward through Poland during World War I. Some actual battle footage is included along with scenes of military camp life, convalescing soldiers, logistics and captured prisoners of war (English, French and Russian). After the battles are over, the film concludes with sobering views of the plight of the civilian population during the war.
The only American feature length documentary made during WW1.