paragraph_text: Friedrich Carl Louis Otto Appel (19 May 1867, Coburg – 10 November 1952, Berlin-Zehlendorf) was a German botanist and agriculturalist.

paragraph_text: Munroturuttu railway station or Mundrothuruthu railway station (Code:MQO) is an 'HG 2 Category' halt railway station, situated in between Perinad and Sasthamkotta railway stations of Kollam district in Kerala state, India. The station is coming under the Southern Railway Zone of Indian Railways. The nearest major rail head of Munrothuruthu railway station is Kollam Junction railway station.

paragraph_text: The Berlin–Hamburg railway was opened between Berlin and Boizenburg on 15 October 1846 and Glöwen station was opened on the same day. The station was intended from the beginning to serve not only the comparatively small town of Glöwen, but also as a hub for Havelberg and a number of other places. In the years following the opening of the station, two passenger fares were offered on the day to Havelberg, plus a fare on the day to Genthin and even a fare to Rostock. Patronage at Glöwen station in 1847 was in sixth place of the stations of the Berlin-Hamburg Railway after Berlin, Hamburg, Hagenow, Wittenberge and Ludwigslust.

paragraph_text: The last time the United States declared war on any nation was in 1942, when war was declared against Axis - allied Hungary, Bulgaria, and Romania, because President Franklin Roosevelt thought it was improper to engage in hostilities against a country without a declaration of war. Since then, every American president has used military force without a declaration of war.

paragraph_text: Kokuvil railway station ( "Kokkuvil toṭaruntu nilaiyam") is a railway station in the town of Kokuvil in northern Sri Lanka. Owned by Sri Lanka Railways, the state-owned railway operator, the station is part of the Northern Line which links the north with the capital Colombo. The popular Yarl Devi service calls at the station. The station was not functioning between 1990 and 2015 due to the civil war. The Northern Line between Jaffna and Kankesanthurai was re-opened on 2 January 2015.

paragraph_text: After the Russian Empire lost the Crimean War, the importance of use of tactical use of modern inventions, as well as railways. In February 1851 the Government of Russia made a decision to build the Saint Petersburg – Warsaw Railway line. Starting from 1858 the line connecting Saint Petersburg and Warsaw was being built. In the territory of Lithuania, the construction of the railway section Daugavpils–Vilnius–Grodno including the branch Lentvaris–Kaunas–Kybartai (Virbalis) was started in spring 1859. The first railway stations in Lithuania were constructed on this line (21 stations): the super class stations in Lentvaris and Virbalis, as well as the first class stations in Kaunas and Vilnius. Due to the hilly and unfavorable for the direct rail passage terrain around Kaunas' centre, the Kaunas Railway Tunnel and largest in Lithuania railway bridge over the Nemunas river were constructed. On the 15 August 1861 the first train left Kaunas and reached Lentvaris. Kaunas railway station was officially opened on 21 February 1862. In 1944, the station was bombed by the withdrawing German army.

paragraph_text: 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.

paragraph_text: The American Revolutionary War (1775 -- 1783), also known as the American War of Independence, was a global war that began as a conflict between Great Britain and its Thirteen Colonies which declared independence as the United States of America.

paragraph_text: 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.

paragraph_text: Balfron railway station was a railway station that served the village of Balfron in Scotland. The station was served by trains on the Strathendrick and Aberfoyle Railway and the Forth and Clyde Junction Railway, both of which closed in the 1950s.

paragraph_text: The Latin American wars of independence were the revolutions that took place during the late 18th and early 19th centuries and resulted in the creation of a number of independent countries in Latin America. These revolutions followed the American and French Revolutions, which had profound effects on the British, Spanish, Portuguese, and French colonies in the Americas. Haiti, a French slave colony, was the first to follow the United States; the Haitian Revolution lasted from 1791 to 1804, when they won their independence. The Peninsular War with France, which resulted from the Napoleonic occupation of Spain, caused Spanish Creoles in Spanish America to question their allegiance to Spain, stoking independence movements that culminated in the wars of independence, which lasted almost two decades. At the same time, the Portuguese monarchy relocated to Brazil during Portugal's French occupation. After the royal court returned to Lisbon, the prince regent, Pedro, remained in Brazil and in 1822 successfully declared himself emperor of a newly independent Brazil.

paragraph_text: Wilde is an unincorporated place in northern Manitoba, Canada. It is serviced by the Wilde railway station of the Winnipeg - Churchill train.

paragraph_text: Habibganj railway station (Station Code: HBJ) is a railway station in Bhopal City and part of the West Central Railway. It is located in Habibganj, New Bhopal. It is India's first private railway station.

paragraph_text: Otjiwarongo railway station is a railway station serving the town of Otjiwarongo in Namibia. It is part of the TransNamib Railway.

paragraph_text: The Amiens Gun is a German railway gun (originally mounted in the battleship ) that was captured by the Australian Imperial Force during World War I and returned to Australia as a war trophy. The 28 cm SK L/40 "Bruno" (SK – "Schnelladekanone" (quick-loading cannon) L – "Länge" (with a 40-calibre barrel)) gun was placed on public display on 26 March 1920 adjacent to the Central railway station, Sydney. While the gun's carriage was scrapped during the 1960s, the gun barrel remains on display at the Australian War Memorial in Canberra.

paragraph_text: The end of World War II brought a baby boom to many countries, especially Western ones. There is some disagreement as to the precise beginning and ending dates of the post-war baby boom, but it is most often agreed to have begun in the years immediately after the war, though some place it earlier at the increase of births in 1941 - 1943. The boom started to decline as birth rates in the United States started to decline in 1958, though the boom would only grind to a halt 3 years later in 1961, 20 years after it began.

paragraph_text: The American Revolutionary War (1775 -- 1783), also known as the American War of Independence, was a global war that began as a conflict between Great Britain and her Thirteen Colonies, which declared independence as the United States of America.

paragraph_text: Mankulam railway station ( "Māṅkuḷam toṭaruntu nilaiyam") is a railway station in the town of Mankulam in northern Sri Lanka. Owned by Sri Lanka Railways, the state-owned railway operator, the station is part of the Northern Line which links the north with the capital Colombo. The popular Yarl Devi service calls at the station. The station was not functioning between 1990 and 2013 due to the civil war. The Northern Line between Omanthai and Kilinochchi, which includes Mankulam, was re-opened on 14 September 2013.

paragraph_text: Omanthai railway station ( "Ōmantai toṭaruntu nilaiyam") is a railway station in the town of Omanthai in northern Sri Lanka. Owned by Sri Lanka Railways, the state-owned railway operator, the station is part of the Northern Line which links the north with the capital Colombo. The popular Yarl Devi service calls at the station. The station was not functioning between 1990 and 2009 due to the civil war. It was re-opened on 27 May 2011.

paragraph_text: Salzwedel station was built in 1870 during the construction of the Stendal–Uelzen railway (part of the America Line from Berlin to Bremen and Bremerhaven) by the Magdeburg-Halberstadt Railway Company. Railways formerly ran in seven directions from Salzwedel station or Salzwedel Neustadt station (which lay to the immediate east), as the table below shows. A locomotive depot (Bahnbetriebswerk) was built directly next to it in order to service these routes. During the Second World War, the station area was destroyed in an air raid on 22 February 1945, which caused about 300 deaths. Of the seven lines, only the Stendal–Uelzen railway remain. During the division of Germany the line was cut at the border, but continuous operations were restored on 19 December 1999. It has been extensively modernised since reunification and electrified so that it can be used an alternative route for Intercity-Express train from Berlin to Hamburg.

Question: In WW2, when did America declare war on the country where Otto Appel was born?
Answer: 11 December 1941