Fight for the River (1996)

Details the long suppressed truth of a strategic series of battles of Italian forces, with Serbs fight along side them against all other Yugoslav ethnic groups--who were fight for the Austro-Hungarians in World War I along the Isronzo river. After 11 major battle pushes on the part of the Italians failed to break the Austro-Hungarian front line defenses in the high alps of northern Italy; allied troops found themselves facing every kind of hardship from poison gas to avalanches. It then became a war of survival endurance.