Operation Schlußstein
Operation Schlußstein (Operation Keystone) was a German military operation, which was carried out towards the end of the First World War in the Baltic Sea region and in Karelia with the aim of occupying the Murman Railway.
Operation Schlußstein (Operation Keystone) was a German military operation, which was carried out towards the end of the First World War in the Baltic Sea region and in Karelia with the aim of occupying the Murman Railway.