The bottom line notes it was written in Düren on September 17, 1939, from the West Wall (Germany's defensive line facing France).The Message Content: Written by a father ("Dein Vater") to his son, the text explicitly reacts to the geopolitical events of that exact week. It reads in part: "Heute morgen haben die Russen die Grenze... überschritten" ("This morning the Russians crossed the border..."), referring to the Soviet invasion of Poland which began precisely on September 17, 1939.Propaganda Slogan: The message ends with the aggressive wartime slogan "Wehe England!" ("Woe to England!").