 The budget for the German version alone was around 6 million euros, for all the international versions together the budget was closer to 8 million euros.The scripts are based on quotes from diaries and letters from men and women who experienced World War I in Germany, France, the United Kingdom, Italy, Austria-Hungary, Russia and the United States, who wrote during the period from 1914 to 1918.More than 1,000 journals and collections of letters were examined and 14 stories of World War I were selected from this compilation.