1-276-205 - Art Media/Heritage Images

Italian prisoners in Ljubljana (Laibach) Castle, World War I, 1915. Ljubljana, today the capital of Slovenia, was part of the Austro-Hungarian Empire at the time of the First World War. The Italians declared war on Austria-Hungary on 23 May 1915. At the end of June they launched their unsuccessful offensive in the Isonzo Valley. A photograph from Der Grosse Krieg in Bildern.