Question: In WWII, when did America declare war on the country where Princess Sophie Antoinette of Brunswick-Wolfenbüttel died?

full_context: Document 1: Princess Sophie of Saxe-Hildburghausen: Princess Sophie of Saxe-Hildburghausen (Ernestine Friederike Sophie; 22 February 1760, Hildburghausen – 28 October 1776, Coburg), was a Princess of Saxe-Hildburghausen by birth, and by marriage she became the Hereditary Princess of Saxe-Coburg-Saalfeld.
Document 2: United States declaration of war upon Germany (1941): December 11, 1941, the United States Congress declared war upon Germany (Pub. L. 77 -- 331, Sess. 1, ch. 564, 55 Stat. 796), hours after Germany declared war on the United States after the Japanese attack on Pearl Harbor. The vote was 88 -- 0 in the Senate and 393 -- 0 in the House.
Document 3: Kornwestheim station: Kornwestheim station is located in the Ludwigsburg district of Kornwestheim in the German state of Baden-Württemberg. It is located on the Franconia Railway () and is a station on the network of the Stuttgart S-Bahn. It is near the junction of the Untertürkheim–Kornwestheim line ("Schusterbahn") freight bypass. Kornwestheim passenger station was the site of a Deutsche Bahn car train loading facility until December 2007.
Document 4: Military history of the United States during World War II: On 11 December 1941, Adolf Hitler and Nazi Germany declared war against the United States, the same day that the United States declared war on Germany and Italy.
Document 5: Cork (city): Cork was one of the most rail-oriented cities in Ireland, featuring eight stations at various times. The main route, still much the same today, is from Dublin Heuston. Originally terminating on the city's outskirts at Blackpool, the route now reaches the city centre terminus of Kent Station via Glanmire tunnel. Now a through station, the line through Kent connects the towns of Cobh and Midleton east of the city. This also connected to the seaside town of Youghal, until the 1980s.[citation needed]
Document 6: Hannover Hauptbahnhof: In the timetable of summer 1939, Hanover station had a total of 144 scheduled long-distance arrivals and departures. It was the most important junctions on Deutsche Reichsbahn’s long-distance network after the terminal stations of Berlin, Cologne, Frankfurt am Main and the main stations of Leipzig and Duisburg.
Document 7: Princess Sophie Antoinette of Brunswick-Wolfenbüttel: Sophie Antoinette of Brunswick-Wolfenbüttel (13/23 January 1724, Wolfenbüttel – 17 May 1802, Coburg) was the tenth of 17 children of Ferdinand Albert II, Duke of Brunswick-Lüneburg.
Document 8: Marie Elisabeth of Brunswick-Wolfenbüttel: Marie Elisabeth of Brunswick-Wolfenbüttel (7 January 1638 - 15 February 1687), was a German noblewoman member of the House of Welf and by her two marriages Duchess of Saxe-Eisenach and Saxe-Coburg.
Document 9: Princess Sophie of Greece and Denmark: Princess Sophie of Greece and Denmark (; 26 June 1914 – 24 November 2001) was the fourth child and youngest daughter of Prince Andrew of Greece and Denmark and Princess Alice of Battenberg. The Duke of Edinburgh is her younger brother. Sophie was born at Villa Mon Repos on the island of Corfu in Greece.
Document 10: Hannover Hauptbahnhof: A wooden platform area was built next to the entrance building and on each side of the two tracks. That was enough for the first traffic because the still short trains running to the east and the west stopped at the same platform. There were no through trains initially. The first through train ran from 1 May 1851 between Berlin and Cologne. The first railway workshop was built opposite the station building. In 1853, the opening of the first section of the Southern Railway to Alfeld, Göttingen and Kassel made the through station into a railway junction. A marshalling yard was established in Hainholz to relieve the station in 1868.
Document 11: United States declaration of war on Germany (1917): On April 2, 1917, President Woodrow Wilson asked a special joint session of the United States Congress for a declaration of war against the German Empire. Congress responded with the declaration on April 6.
Document 12: Consequences of the attack on Pearl Harbor: On December 8, 1941, Japan declared war on the United States and the British Empire. The Japanese document discussed world peace and the disruptive actions of the United States and the United Kingdom. The document claimed all avenues for averting war had been exhausted by the Government of Japan.
Document 13: Railway stations in Coburg: There are six railway stations in the town of Coburg in Bavaria, southern Germany. These include: two passenger stations, three halts and one goods station.
Document 14: German declaration of war against the United States: On 11 December 1941, four days after the Japanese attack on Pearl Harbor and the United States declaration of war against the Japanese Empire, Nazi Germany declared war against the United States, in response to what was claimed to be a series of provocations by the United States government when the US was still officially neutral during World War II. The decision to declare war was made by Adolf Hitler, apparently offhand, almost without consultation. Later that day, the United States declared war on Germany.
Document 15: Princess Antoinette of Saxe-Coburg-Saalfeld: Princess Antoinette of Saxe-Coburg-Saalfeld (Antoinette Ernestine Amalie; 28 August 1779 – 14 March 1824) was a German princess of the House of Wettin. By marriage, she was a Duchess of Württemberg. Through her eldest surviving son, she is the ancestress of today's (Catholic) House of Württemberg.
ground_truth: 11 December 1941
sub_queries: Princess Sophie Antoinette of Brunswick-Wolfenbüttel >> place of death Answer: Coburg
Railway stations in Coburg >> country Answer: Germany
when did america declare war on Germany in ww2 Answer: 11 December 1941