Overview: The Allies have taken the beaches of Northern France. Now they face a brutal fight through enemy territory in a bid to liberate Europe. Taken from National geografic Taken from the German translation On September 1, 1939, the German Reich invaded its eastern neighbor Poland without declaring war. Externally justified by an attack staged by the SS by alleged Polish irregulars. Around six million Polish citizens fell victim to the war and the subsequent occupation of Poland, which was divided between Germany and the USSR. “World War II: History from Above” reconstructs, among other things, German blitzkrieg tactics, a successful escape from the Auschwitz extermination camp and the attempts to save Warsaw from complete destruction