Information:  - The Habsburg Monarchy or Empire, occasionally also styled as the Danubian Monarchy ("Donaumonarchie"), is an unofficial appellation among historians for the countries and provinces that were ruled by the between 1521 and 1780 and then by the successor branch of Habsburg-Lorraine until 1918. The Monarchy was a composite state composed of territories within and outside the Holy Roman Empire, united only in the person of the monarch. The dynastic capital was Vienna, except from 1583 to 1611, when it was moved to Prague. From 1804 to 1867 the Habsburg Monarchy was formally unified as the Austrian Empire, and from 1867 to 1918 as the Austro-Hungarian Empire.  - The official name "Lands of the Crown of Saint Stephen" denominated the Hungarian territories of Austria-Hungary during the totality of the existence of the latter, from 30 March 1867 - 16 November 1918. This union of polities is sometimes denominated "" ("Arch-Kingdom of Hungary"), pursuant to Medieval Latin terminology. Pursuant to Article 1 of the CroatianHungarian Settlement of 1868, this territory was officially defined as "a state union of Kingdom of Hungary and Triune Kingdom of Croatia, Slavonia and Dalmatia." The Lands of the Crown of Saint Stephen disintegrated with the dissolution of Austria-Hungary.  - The Kingdom of Hungary was a monarchy in Central Europe that existed from the Middle Ages into the twentieth century (10001946 with the exception of 19181920). The Principality of Hungary emerged as a Christian kingdom upon the coronation of the first king Stephen I at Esztergom in about the year 1000; his family (the Árpád dynasty) led the monarchy for 300 years. By the 12th century, the kingdom became a European middle power within the Western world.  - The 10 cm M. 14 Feldhaubitze was a dual - purpose field and mountain gun used by Austria - Hungary during World War I. Between the wars it was used by Austria , Italy , and Poland . Captured weapons were used by Nazi Germany under the designations 10 cm leFH 14 ( ö ) and 10 cm leFH 315 ( i ) . It served as the standard Italian medium howitzer as the Obice da 100/17 modello 14 .  - Kaliningrad Oblast ("Kaliningradskaya oblast") is a federal subject of the Russian Federation that is located on the coast of the Baltic Sea. As an oblast, its constitutional status is equal to each of the other 84 federal subjects. Its administrative center is the city of Kaliningrad, formerly known as Königsberg. It is the only Baltic port in the Russian Federation that remains ice-free in winter. According to the 2010 census, it had a population of 941,873.  - Austria-Hungary, often referred to as the Austro-Hungarian Empire in English-language sources, was a constitutional union of the Austrian Empire (the Kingdoms and lands represented in the Imperial Council, or "Cisleithania") and the Kingdom of Hungary (Lands of the Crown of Saint Stephen or "Transleithania") that existed from 1867 to 1918, when it collapsed as a result of defeat in World War I. The union was a result of the Austro-Hungarian Compromise of 1867 and came into existence on 30 March 1867. Austria-Hungary consisted of two monarchies (Austria and Hungary), and one autonomous region: the Kingdom of Croatia-Slavonia under the Hungarian crown, which negotiated the CroatianHungarian Settlement ("Nagodba") in 1868. It was ruled by the House of Habsburg, and constituted the last phase in the constitutional evolution of the Habsburg Monarchy. Following the 1867 reforms, the Austrian and the Hungarian states were co-equal. Foreign affairs and the military came under joint oversight, but all other governmental faculties were divided between respective states.  - The Kingdom of Croatia-Slavonia  was a nominally autonomous kingdom within the Austro-Hungarian Empire, created in 1868 by merging the kingdoms of Croatia and Slavonia following the CroatianHungarian Settlement. It was associated with the Hungarian Kingdom within the dual Austro-Hungarian state, being within the Lands of the Crown of St. Stephen or Transleithania. The kingdom was ruled by the Habsburg Emperor-King of Austria-Hungary ("Kaiser und König") under his title as "King of Croatia and Slavonia". The King's appointed steward was the Ban of Croatia and Slavonia. In 1918, the kingdom declared independence and reformed into the State of Slovenes, Croats and Serbs.  - World War I (WWI or WW1), also known as the First World War, or the Great War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. More than 70 million military personnel, including 60 million Europeans, were mobilised in one of the largest wars in history. Over nine million combatants and seven million civilians died as a result of the war (including the victims of a number of genocides), a casualty rate exacerbated by the belligerents' technological and industrial sophistication, and the tactical stalemate caused by gruelling trench warfare. It was one of the deadliest conflicts in history, and paved the way for major political changes, including revolutions in many of the nations involved.  - Kraków, also Cracow or Krakow, is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life and is one of Poland's most important economic hubs. It was the capital of the Crown of the Kingdom of Poland from 1038 to 1569; the PolishLithuanian Commonwealth from 1569 to 1795; the Free City of Kraków from 1815 to 1846; the Grand Duchy of Cracow from 1846 to 1918; and Kraków Voivodeship from the 14th century to 1998. It has been the capital of Lesser Poland Voivodeship since 1999.  - Szczecin (German and , known also by other alternative names) is the capital city of the West Pomeranian Voivodeship in Poland. Located near the Baltic Sea, it is a major seaport and Poland's seventh-largest city. As of June 2011, the population was 407,811.  - Wrocaw (, ; ) is the largest city in western Poland. It is on the River Oder in the Silesian Lowlands of Central Europe, roughly 350 kilometres (220 mi) from the Baltic Sea to the north and 40 kilometres (25 mi) from the Sudeten Mountains to the south. Wrocaw is the historical capital of Silesia and Lower Silesia. Today, it is the capital of the Lower Silesian Voivodeship. At various times in history, it has been part of the Kingdom of Poland, Bohemia, Hungary, the Austrian Empire, Prussia and Germany. It became part of Poland in 1945, as a result of the border changes after the Second World War. The population of Wrocaw in 2016 was 637,075 making it the fourth-largest city in Poland and the main city of Wrocaw agglomeration.  - Slavonia is, with Dalmatia, Croatia proper, and Istria, one of the four historical regions of Croatia. Taking up the east of the country, it roughly corresponds with five Croatian counties: Brod-Posavina, Osijek-Baranja, Požega-Slavonia, Virovitica-Podravina and Vukovar-Srijem, although the territory of the counties includes Baranya, and the definition of the western extent of Slavonia as a region varies. The counties cover or 22.2% of Croatia, inhabited by 806,19218.8% of Croatia's population. The largest city in the region is Osijek, followed by Slavonski Brod and Vinkovci. It is located in the Pannonian Basin, largely bordered by the Danube, Drava and Sava rivers. In the west, the region consists of the Sava and Drava valleys, and the mountains surrounding the Požega Valley, and plains in the east. Slavonia enjoys a moderate continental climate, with relatively low precipitation.  - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency.  - Poland, officially the Republic of Poland, is a country in Central Europe, situated between the Baltic Sea in the north and two mountain ranges (the Sudetes and Carpathian Mountains) in the south. Bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine and Belarus to the east; and the Baltic Sea, Kaliningrad Oblast (a Russian exclave) and Lithuania to the north. The total area of Poland is , making it the 69th largest country in the world and the 9th largest in Europe. With a population of over 38.5 million people, Poland is the 34th most populous country in the world, the 8th most populous country in Europe and the sixth most populous member of the European Union. Poland is a unitary state divided into 16 administrative subdivisions, and its capital and largest city is Warsaw. Other metropolises include Kraków, Wrocaw, Pozna, Gdask and Szczecin.  - CroatianHungarian Settlement was a pact signed in 1868, that governed Croatia's political status in the Hungarian-ruled part of Austria-Hungary. It lasted until the end of World War I, when the Croatian Parliament, as the representative of the historical sovereignty of Croatia, on October 29, 1918 adopted a decision on the cessation of all state and legal ties with the old Austria-Hungary.    After reading the paragraphs above, we are interested in knowing the entity with which '10 cm m. 14 feldhaubitze' exhibits the relationship of 'service retirement'. Find the answer from the choices below.  Choices: - 1815  - 1914  - 1918  - 192  - 1920  - 1945  - 1946  - 1998  - 1999  - 2010  - 2011  - 300
A:
1945