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Durchmusterung

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In astronomy , Durchmusterung or Bonner Durchmusterung ( BD ) is an astrometric star catalogue of the whole sky, published by the Bonn Observatory in Germany from 1859 to 1863, with an extension published in Bonn in 1886. The name comes from Durchmusterung ('run-through examination'), a German word used for a systematic survey of objects or data. The term has sometimes been used for other astronomical surveys, including not only stars, but also the search for other celestial objects. Special tasks include celestial scanning in electromagnetic wavelengths shorter or longer than visible light waves.

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76-405: The Bonner Durchmusterung (abbreviated BD), was initiated by Friedrich Argelander and using observations largely carried out by his assistants, which resulted in a catalogue of the positions and apparent magnitudes of 342,198 stars down to approximate apparent magnitude 9.5 and covering the sky from 90°N to 2°S declination. The catalogue, published in three parts, was accompanied by charts plotting

152-533: A cathedral and at least two parochial churches, but the development of the castle became the dominant priority. According to different sources, Memel received Lübeck city rights in 1254 or 1258. Following it Klaipėda's status was quite extraordinary as only three cities in the State of the Teutonic Order had Lübeck city rights. In the spring and summer of 1323, a Lithuanian army led by Grand Duke Gediminas came up

228-683: A few of them later departed to other countries. In 1736–1818 Klaipėda was part of Lithuanian Department which had over 340,000 residents. The recovering population was ravaged by the Imperial Russian Army during the Seven Years' War in 1756–1763. In 1782 Klaipėda had 5500 residents, in 1790 – 6300. In the General State Laws for the Prussian States (completed in 1794) the serfdom and privileged position of landlords and colonists

304-467: A fort in 1252 called Memele castrum (or Memelburg , " Memel Castle "). The fort's construction was completed in 1253, and Memel was garrisoned with troops of the Teutonic Order , administered by Deutschmeister Eberhard von Seyne . Documents for its founding were signed by Eberhard and Bishop Heinrich von Lützelburg of Courland on 29 July 1252 and 1 August 1252. Master Conrad von Thierberg used

380-589: A fortified defence system around the entire town, initiated in 1627, noticeably changed its status and prospects. In November 1678 a small Swedish army invaded the Prussian territory, but was unable to capture the fortress of Memel. By the beginning of the 18th century, Memel was one of the strongest fortresses ( Memelfestung ) in Prussia, and the town became part of the Kingdom of Prussia in 1701. Despite its fortifications, it

456-519: A further direct line connected with Königsberg, that crossed the 4-kilometre-wide ( 2 + 1 ⁄ 2 -mile) Memel Valley over three bridges before its arrival in Memel. During the second half of the 19th century, Memel was a center for the publication of books printed in the Lithuanian language using a Latin-script alphabet – these publications were prohibited in the nearby Russian Empire of which Lithuania

532-632: A manner similar to the BD numbering system. A few decades later, the positional accuracy of the Durchmusterung catalogues began to be insufficient for many projects. To establish a more exact reference system for the Bonner Durchmusterung, astronomers and geodesists began to work on a fundamental celestial coordinate system based on the Earth's rotation axis , the vernal equinox and the ecliptic plane in

608-614: A naval landing near the city's harbor. After the unification of Germany into the German Empire in 1871, Memel became Germany's northernmost city. The development of the town in the 19th century was influenced by the Industrial Revolution in Prussia, as well as urbanisation. Even though the population of Memel increased fourfold during the 19th century, and had risen to 21,470 by 1910, its pace of development lagged in comparison. The reasons for this were mostly political. Memel

684-453: A new ship canal between Pillau and Königsberg, which enabled vessels of up to 6.5 m draughts to moor alongside the city, at a cost of 13 million marks. Owing to the absence of heavy industry in the 1870s and 1880s, the population of Memel stagnated, although wood manufacturing persisted as the main industry. It remained the central point of the Baltic timber-trade. A British Consul was located in

760-468: A population greater than 100,000, however, Klaipėda has the highest percentage of people whose native language is Russian. Until the 1970s, Klaipėda was only important to the USSR for its economy, while cultural and religious activity was minimal and restricted. The developers of a Roman Catholic church (Maria, Queen of Peace, constructed 1957–1962) were arrested. The city began to develop cultural activities in

836-593: A third of its industry. Weimar Germany , under Foreign Minister Gustav Stresemann , maintained normal relations with Lithuania. However, Nazi Germany desired to reacquire the region and tensions rose. Pro-German parties won clear supermajorities in all elections to the Klaipėda Parliament , which often clashed with the Lithuanian-appointed Klaipėda Directorate . Lithuanian efforts to "re-Lithuanize" Prussian Lithuanians by promoting

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912-737: Is a city in Lithuania on the Baltic Sea coast. It is the third largest city in Lithuania , the fifth largest city in the Baltic States and the capital of Klaipėda County , as well as the only major seaport in the country. The city has a complex recorded history, partially due to the combined regional importance of the usually ice-free Port of Klaipėda at the mouth of the river Akmena-Danė  [ lt ] . Located in Lithuania Minor , and

988-464: Is also used as the coat of arms of the Klaipėda city municipality . The modern version was created by the designer Kęstutis Mickevičius . The modern coat of arms was created by restoring old seals of the Memel city (analogous with those used in the years 1446, 1605 and 1618). It was affirmed on 1 July 1992. A settlement of Baltic tribes in the territory of the present-day city is said to have existed in

1064-643: Is known to have stated: We find that the Memel Castle is built in the land of Samogitians. Neither Master , nor the Order was able to prove anything opposing. Nevertheless, no agreement was concluded and fighting continued until the Treaty of Melno in 1422 stabilized the border between the Teutonic Order and the Grand Duchy of Lithuania for the next 501 years. However, two miles of Lithuanian territories, including Klaipėda,

1140-467: The 1939 German ultimatum to Lithuania , however soon World War II started and residents of Klaipėda were evacuated to Germany. In the aftermath of World War II almost all the new residents moved to Klaipėda from Lithuania, Russia, Belarus and Ukraine , replacing the former German-speaking population (after the war only six old residents remained in the city). Over the years the Lithuanian population in

1216-643: The Kingdom of Prussia was created and Prussian officials and intellectuals propagated a political direction which claimed that a new nation formed from Prussian Lithuanians ( Lietuvininkai ), Old Prussians, and German colonists. In the beginning of the 18th century 300,000 residents lived in the core of Lithuania Minor and up to 100% of peasant farms in the Klaipėda Region were Lithuanian, however cities in Lithuania Minor become centres of Germanisation , cultural assimilation , and colonization. In 1700–1721

1292-672: The Latvian Curonian language, it means mute, silent ( memelis, mimelis, mēms ), as a reference to peaceful flow of the Neman. This name was adopted by German speakers, and also was chosen for the new city founded further away at the lagoon. The name of the city in the Samogitian language is spelled slightly differently: Klaipieda . The most notable non-Lithuanian names include: Latvian : Klaipēda ; Polish : Kłajpeda ; Russian: Клайпеда ; German: Memel . The coat of arms of Klaipėda

1368-547: The Lithuanian Soviet Socialist Republic . Klaipėda has remained within Lithuania since 1944. The city continues to experience sustained demographic decline due to flight towards the suburbs and other cities. The number of inhabitants of Klaipėda city shrank from 202,929 in 1989 to 162,360 in 2011, but the urban zone of Klaipėda expanded well into the suburbs, which sprang up around the city and surrounded it from three sides. These are partly integrated with

1444-578: The Neman and sieged the castle of Memel, while later he marched to other Prussian, Latvian, Estonian territories controlled by the Order, eventually forcing the Order to sue for a truce in October 1323. While planning a campaign against Samogitia , Memel's garrison of the Teutonic Order's Livonian branch was replaced with knights from the Prussian branch in 1328. Threats and attacks by Lithuanians greatly slowed down

1520-708: The Polish kings (1466–1660), and they mostly moved to cities and towns. During the Second Northern War in 1656–1657, Lithuania Minor was damaged by Tatars detached from the Army of the Polish–Lithuanian Commonwealth . Following the Treaty of Oliva in 1660, Klaipėda become part of the Brandenburg-Prussia constituent state , which led to strengthened oppression of the locals of Lithuania Minor. In 1701

1596-740: The Prussian Law, all native citizens were initially called as Prussians, while only in the 16th century classification of the population by nationality began. In 1525–1818, Klaipėda was part of the Lithuanian Province (the term was used in state legal documents and Prussian monarchs decrees), which comprised the most Lithuanian territories of Lithuania Minor (the Klaipėda, Tilsit , Ragainė , Įsrūtis counties). There were few German colonists in Royal Prussia when Prussian monarchs were vassals of

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1672-472: The State of the Teutonic Order and Duchy of Prussia under the suzerainty of the Polish–Lithuanian Commonwealth , then the Kingdom of Prussia and German Empire , within which it was the northernmost big city until it was placed under French occupation in 1919. From 1923, the city was part of Lithuania until its annexation by Nazi Germany in 1939, and after World War II it was part of

1748-448: The State of the Teutonic Order , Old Prussians and Western Lithuanians were not allowed to engage in trade, crafts, and settle in cities. Thus, in the Duchy of Prussia , most of the cities' residents were Germans. Nevertheless, villages in Lithuania Minor were extensively inhabited by Lithuanians, and Klaipėda developed as one of the most important centres of Lithuania Minor. According to

1824-528: The Teutonic Order on Samogitia started. Vytautas the Great wanted the border to be the Neman River , while the Teutonic Order wanted to have Veliuona and Klaipėda in the right side of the river. Both sides agreed to accept the prospective solution of Emperor Sigismund 's representative Benedict Makrai on 1413. He decided that the right side of Nemunas ( Veliuona , Klaipėda) were to be owned by Lithuania. Makrai

1900-581: The Uprising of 1863–1864 part of the Lithuanian insurgents retreated to Lithuania Minor. In 1855 Vitė  [ lt ] was added to the city of Klaipėda, thus the number of population increased to over 17,000 and in 1875 reached ~20,000. Before World War I , the majority of Lithuanians in Königsberg Region (which included Klaipėda) integrated into the German nation. In March 1915 the population of Klaipėda

1976-489: The epoch of B1855.0 . Many astronomical research projects—from studies of celestial mechanics and the Solar System , up to the nascent field of astrophysics —were made possible by the publication of the atlas and data of the Bonner Durchmusterung. However, a deficiency of the BD was that it did not cover the whole sky, because far southern stars are not visible from Germany. This led the scientific community to supplement

2052-406: The 13th century onwards, while Klaipėda is found in Lithuanian sources since the 15th century. The city was initially mentioned as Caloypede in the letter of Vytautas in 1413, and in negotiation documents from 1420, the city was named Klawppeda. In the Treaty of Melno of 1422, the city's name was listed as Cleupeda . According to Samogitian folk etymology , the name Klaipėda refers to

2128-523: The 13th–15th centuries, Klaipėda was burned or ruined around 20 times. In the second half of the 15th century, the residents began to settle in a territory of the Klaipėda Old Town, which was on a peninsula of the right bank of the old Danė  [ lt ] . Soon, the reconstruction of the Klaipėda Castle began, and all residents moved to the peninsula. The development of Klaipėda

2204-511: The 16th century. Memel prospered during the second half of the 18th century by exporting timber to Great Britain for use by the Royal Navy . In 1792, 756 British ships visited the town to transport lumber from forests near Memel. In 1800, its imports consisted chiefly of salt, iron and herrings; the exports, which greatly exceeded the imports, were corn, hemp, flax, and, particularly, timber. The 1815 Encyclopædia Britannica stated that Memel

2280-807: The 1970s and 1980s, such as the introduction of the Sea Festival cultural tradition, where thousands of people come to celebrate from all over the country. Based on the Pedagogical University of Šiauliai and the National Conservatory of Lithuania in Klaipėda, the University of Klaipėda was established in 1991. Klaipėda is now the home of a bilingual German-Lithuanian institution, the Hermann-Sudermann -Schule , as well as an English-language University, LCC International University. In 2014 Klaipėda

2356-681: The BD with two additional astrometric surveys carried out by observatories located in the Southern Hemisphere: Córdoba, Argentina , and Cape Town , South Africa. The Cordoba Durchmusterung (abbreviated CD, or, less commonly, CoD) was made visually (as was the BD), but the Cape Photographic Durchmusterung (CP or CPD) was conducted by the then-new photographic technique, which had just been shown to have sufficient accuracy. The southern stars are identified by CD and CPD numbers in

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2432-636: The European USSR. Shipyards , dockyards , and a fishing port were constructed. Subsequently, by the end of 1959, the population of the city had doubled its pre-war population, and by 1989 there were 202,900 inhabitants. Initially the Russian-speakers dominated local government in the city, but after the death of Joseph Stalin , more people came to the city from the rest of Lithuania than from other Soviet republics and oblasts; Lithuanians then became its major ethnic group. Among Lithuanian cities with

2508-668: The Finnish observatory , first in Turku and then in Helsinki . He then moved to Bonn , Germany . There he designed and built a new observatory at the University of Bonn with funding approved directly by King Frederick William IV whom Argelander had become friends with in his childhood. This lifelong friendship had started when the then crown prince temporarily lived in Argelander's parents house after

2584-491: The Lithuanian Foreign Minister on 20 March 1939, demanding the surrender of Klaipėda. Lithuania, unable to secure international support for its cause, submitted to the ultimatum and, in exchange for the right to use the new harbour facilities as a Free Port, ceded the disputed region to Germany in the late evening of 22 March 1939. Adolf Hitler visited the harbour and delivered a speech to the city residents. This

2660-687: The Lithuanian language, culture, education were often met with resistance from the locals. In 1932, a conflict between the Parliament and the Directorate had to be resolved by the Permanent Court of International Justice . In 1934–1935, the Lithuanians attempted to combat increasing Nazi influence in the region by arresting and prosecuting over 120 Nazi activists for the alleged plot to organize an anti-Lithuanian rebellion. Despite these rather harsh sentences,

2736-879: The Lithuanians decided to stage the Klaipėda Revolt , take the region by force, and present the Entente with a fait accompli . The revolt was carried out in January 1923 while western Europe was distracted by the occupation of the Ruhr . The Germans tacitly supported the action, while the French offered only limited resistance. The revolt was supported by the Chief Rescue Committee of Lithuania Minor, chaired by Prussian Lithuanian Martynas Jankus , which operated since 22 December 1922 with its centre in Klaipėda. The League of Nations protested

2812-602: The Prussian Lithuanians population was dramatically decreased in Klaipėda and other Lithuanian counties by the Great Northern War plague outbreak which killed 160,000 (53%) of residents in Lithuania Minor (more than 90% of the deceased were Prussian Lithuanians). Following it, the Prussian authorities organized a large-scale German colonization of Lithuania Minor. The colonists received various privileges, however they constituted for only 13.4% of residents and quite

2888-553: The Prussian royal family fled to Memel after the Battle of Jena–Auerstedt during the Napoleonic Wars . Argelander excelled in developing effective, simple and fast methods for measuring star positions and magnitudes, thereby making a pioneering work for modern astronomy. He also measured star distances with heliometers . His, and his collaborators', great practical works of star cataloging and variable star research were made possible by

2964-474: The boggy terrain of the town ( klaidyti =obstruct and pėda =foot). Most likely, the name is of Curonian origin and means "even ground"; it likely originates from a combination of "klais/klait" (flat, open, free) and "peda" (sole of the foot, ground), as a reference to relatively flat terrain of the original settlement's surroundings. The lower reaches of the river Neman were named either * Mēmele or * Mēmela by Scalovians and local Curonian inhabitants. In

3040-518: The city (city bus lines, city water supply, etc.), and the majority of inhabitants of these suburbs work in Klaipėda. According to data from the Department of Statistics, there are 212,302 permanent inhabitants (as of 2020) in the Klaipėda city and Klaipėda district municipalities combined. Popular seaside resorts found close to Klaipėda are Neringa to the south on the Curonian Spit and Palanga to

3116-435: The city continued to grow and constituted: 55.2% in 1959, 60.9% in 1970, 61.5% in 1979, 63.0% in 1989, 71.3% in 2001, 73.9% in 2011. As of 2020 , the population of Klaipėda was 154,332. The latest data shows that there are more women in the city: females make up 54.89% (84,717), males make up 45.11% (69,615). In 2022, Lithuanians constituted 80% of the population in Klaipėda. The first church (possibly chapel) dedicated to

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3192-574: The defendants in the Neumann–Sass case were soon released under pressure from Nazi Germany. The extensive autonomy guaranteed by the Klaipėda Convention prevented Lithuania from blocking the growing pro-German attitudes in the region. As tensions in pre-war Europe continued to grow, it was expected that Germany would make a move against Lithuania to reacquire the region. German Foreign Minister Joachim von Ribbentrop delivered an ultimatum to

3268-566: The development of Memel. From 1629 to 1635, the town was occupied by Sweden over several periods during the Polish-Swedish War of 1626–1629 . After the Treaty of Königsberg in 1656 during the Northern Wars , Elector Frederick William opened Memel's harbor to Sweden, with whom the harbor's revenue was divided. Sovereignty of the margraves of Brandenburg over the region was affirmed in the Treaty of Oliva in 1660. The construction of

3344-502: The fortress as a base for further campaigns along the river Neman and against Samogitia . Memel was unsuccessfully besieged by Sambians in 1255, and the Sambians surrendered on 1259. Memel was also colonized by settlers from Holstein , Lübeck and Dortmund . Hence, Memel also being known at the time as Neu-Dortmund , or "New Dortmund". It became the main town of the Diocese of Curonia, with

3420-506: The late 19th century. This astrometric project led to the Catalogues of Fundamental Stars of the Berlin observatory, and was used as an exact coordinate frame for the BD and AGK. It was modernized in the 1920s ( FK3 , mean accuracy ±1″), and in 2000 ( FK6 , accuracy 0.1″) as successive steps of cosmic geodesy . Together with radioastronomical measurements, the FK6 accuracy was better than ±0.1″. The Hipparcos satellite operated between 1989 and 1993 and observed around 118,000 stars over

3496-412: The least amount of precipitation occurs in April, with an average of 41 mm. Parks: Forests: Klaipėda was established as an outpost dedicated for German crusaders . Initially, Klaipėda developed slowly. In the 13th century, it was often attacked by the Sambians and Samogitians , and in the middle of the 15th century, it was attacked by the Gdańskians (for trading reasons). Consequently, in

3572-459: The military garrison was built along with the Klaipėda Castle in 1252 and was consecrated after Mary, mother of Jesus , although it did not have as much effect for the townspeople, as well as the residents of surrounding villages. Initially, it was planned that Klaipėda would become centre of the Bishopric of Courland . Thus, before 1290, a St. Mary's Cathedral was built in the town and a six-members chapter settled down in 1290. Nevertheless,

3648-446: The north. The Teutonic Knights built a castle in the *Pilsāts Land of the Curonians and named it Memelburg , which would later be shortened to Memel . From 1252 to 1923 and from 1939 to 1945, the town and city were officially named Memel . Between 1923 and 1939, both names were in official use . Since 1945, the Lithuanian name of Klaipėda has been used. The names Memelburg and Memel are found in most written sources from

3724-446: The onset of a long period of prosperity for the city and port. Klaipėda served as a port for neighbouring Lithuania, benefiting from its location near the mouth of the Neman, with wheat as a profitable export. The Duchy of Prussia was inherited by a relative, John Sigismund , the Hohenzollern prince-electors of the Margraviate of Brandenburg in 1618. Brandenburg-Prussia began active participation in regional policy, which affected

3800-417: The positions of the stars, and was the basis for the Astronomische Gesellschaft Katalog (AGK) and Smithsonian Astrophysical Observatory Star Catalog (SAO) catalogues of the 20th century. In 1886 Eduard Schönfeld , also in Bonn, published an extension from 2°S to 23°S declination. (A further extension from an observatory in Cordoba Argentina was published in five parts between 1892 and 1932 to cover

3876-463: The reforms of Karl Freiherr vom und zum Stein and Karl August von Hardenberg . The land around Memel suffered major economic setbacks under Napoleon Bonaparte 's Continental System . During Napoleon's retreat from Moscow after the failed invasion of Russia in 1812, General Yorck refused Marshal MacDonald 's orders to fortify Memel at Prussia's expense. During the January Uprising , in June 1863, Polish insurgents made an unsuccessful attempt at

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3952-471: The region as early as the 7th century. The Balts initially established Klaipėda as a trading centre for the storage of goods and annual fairs with the Germans. In the 1240s, Pope Gregory IX offered King Håkon IV of Norway the opportunity to conquer the peninsula of Sambia . However, after Grand Duke Mindaugas of Lithuania , the Teutonic Knights and a group of crusaders from Lübeck moved into Sambia and accepted Christianity. These groups founded

4028-509: The revolt, but accepted the transfer in February 1923. The formal Klaipėda Convention was signed in Paris on 8 May 1924, securing extensive autonomy for the region. The annexation of the city had significant consequences for the Lithuanian economy and foreign relations. The region subsequently accounted for up to 30% of Lithuania's entire economic production. Between 70% and 80% of foreign trade passed through Klaipėda. The region, which represented only about 5% of Lithuania's territory, contained

4104-477: The second half of the 18th century, Memel's lax customs and Riga 's high duties enticed English traders, who established the first industrial sawmills in the town. In 1784, 996 ships arrived in Memel, 500 of which were English. The specialisation in wood manufacturing guaranteed Memel's merchants income and stability for more than a hundred years. During this era, it also normalised its trade relations with Königsberg ; regional instability had degraded relations since

4180-402: The sky. This was the last star map to be published without the use of photography. In 1863, Argelander helped lead in the founding of an international organization of astronomers named the Astronomische Gesellschaft . Klaip%C4%97da Klaipėda ( / ˈ k l eɪ p ɛ d ə / CLAY -ped-ə ; Lithuanian: [ˈklˠɐɪ̯ˑpʲeːdˠɐ] ), historically also Memel ,

4256-472: The southern sky from 22°S to 90°S declination.) BD star numbers are still used and allow the correlation of the work with modern projects. The format of a BD number is exemplified by "BD−16 1591", which is the BD number of Sirius . This number signifies that in the catalog, Sirius is the 1591st star listed in the declination zone between −16 and −17 degrees, counting from 0 hours right ascension . Stellar positions and zone boundaries use an equinox for

4332-450: The surrounding Klaipėda Region (Memel Territory) were detached from Germany and made a protectorate of the Entente States . The French became provisional administrators of the region until a more permanent solution could be worked out. Both Lithuania and Poland campaigned for their rights in the region. However, it seemed that the region would become a free city, similar to the Free City of Danzig . Not waiting for an unfavorable decision,

4408-461: The systematic usage of then newly developed techniques. Argelander was the first astronomer to begin a careful study of variable stars . Only a handful were known when he began, and he was responsible for introducing the modern system of identifying them. He also made a rough determination of the direction in which the Sun was moving. In 1842, he discovered that Groombridge 1830 had a very high proper motion . For many decades its proper motion

4484-471: The town in 1800; in 1900 a British Vice-Consul was recorded there, as well as a Lloyd's Agent. By 1900 steamer services had been established between Memel and Cranz (on the southern end of the Curonian Spit), and also between Memel and Tilsit . A main-line railway was built from Insterburg , the main East Prussian railway junction, to St. Petersburg via Eydtkuhnen , the Prussian frontier station. The Memel line also ran from Insterburg via Tilsit , where

4560-405: The town's development; the castle was sacked by Lithuanian tribes in 1360, and in 1379 the reconstructed castle and town were both sacked once again. In 1409, the castle was rebuilt and in 1422–1441 the strengthening of the castle's fortifications continued when eventually its ramparts reached 7 meters height. After the Battle of Grunwald , the dispute between the Grand Duchy of Lithuania and

4636-462: The whole sky. Three star catalogues were published from its data: The Gaia space observatory , launched in December 2013, has catalogued a billion stars with an accuracy down to 20 microarcseconds (0.00002″). Friedrich Wilhelm Argelander Friedrich Wilhelm August Argelander (22 March 1799 – 17 February 1875) was a German astronomer . He is known for his determinations of stellar brightnesses, positions, and distances. Argelander

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4712-401: The wishes of its governor and commander, Eric of Brunswick-Wolfenbüttel , Memel adopted Lutheranism after the conversion of Grand Master Albert of Prussia and the creation of the Duchy of Prussia as a fief of the Crown of the Kingdom of Poland in 1525, soon part of the Polish–Lithuanian Commonwealth . Since then, Klaipėda has become the county centre within the Duchy of Prussia. It was

4788-427: Was "provided with the finest harbour in the Baltic". During the Napoleonic Wars , Memel became the temporary capital of the Kingdom of Prussia. Between 1807 and 1808, the town was the residence of King Frederick William III , his consort Louise , his court, and the government. On 9 October 1807 the king signed a document in Memel, later called the October Edict , which abolished serfdom in Prussia. It originated

4864-411: Was 36.6 °C (97.9 °F) in August 2014. In January and February, the coldest season, high temperatures average 0 °C (32 °F) with low temperatures averaging −5 °C (23 °F). The coldest temperature ever recorded in Klaipėda is −33.4 °C (−28.1 °F) in February 1956. The greatest amount of precipitation occurs in August, with an average precipitation of 85 mm. Meanwhile,

4940-437: Was Hitler's last territorial acquisition before World War II. During the war, the Germans operated a forced labour subcamp of the Stalag I-A prisoner-of-war camp for Allied prisoners of war in the city, and expelled Poles from German-occupied Poland were also enslaved as forced labour in the city's vicinity. During World War II, from the end of 1944 into 1945, the battle of Memel took place. The nearly empty city

5016-455: Was a province. The books were then smuggled over the Lithuanian border. The German 1910 census lists the Memel Territory population as 149,766, of whom 67,345 declared Lithuanian to be their first language. The Germans greatly predominated in the town and port of Memel as well as in other nearby villages; the Lithuanian population was predominant in the area's rural districts. Under the Treaty of Versailles after World War I , Klaipėda and

5092-401: Was born in Memel in the Kingdom of Prussia (now Klaipėda in Lithuania ), the son of a father of Finnish descent, Johann Gottlieb Argelander, and German ( Prussian ) mother, Dorothea Wilhelmina Grünhagen. He studied with Friedrich Bessel , whose assistant he became in 1820, and obtained his Ph.D. in 1822 at University of Königsberg . From 1823 until 1837, Argelander was the head of

5168-403: Was captured by Russian troops during the Seven Years' War in 1757. Consequently, from 1757 to 1762 the town, along with the rest of eastern Prussia, was dependent on the Russian Empire . After this war ended, the maintenance of the fortress was neglected, but the town's growth continued. Memel became part of the newly formed province of East Prussia within the Kingdom of Prussia in 1773. In

5244-409: Was captured by the Soviet Red Army on 28 January 1945 with only about 50 remaining people. After the war the Klaipėda Region was incorporated into the Lithuanian SSR , as the post-1937 German occupation of various regions of Europe, including Klaipėda, was considered illegal. The Soviets turned Klaipėda, the foremost ice-free port in the Eastern Baltic, into the largest piscatorial-marine base in

5320-435: Was consolidated. During the Napoleonic Wars Napoleon I occupied most of the Kingdom of Prussia, thus in 1807–1808 Klaipėda was a residence of Prussian monarchs and in 1807 Frederick William III abolished serfdom. Following the abolishment of serfdom Prussian Lithuanians migrated to Klaipėda, especially its outskirts, and in 1837 they constituted 10.1% of the residents. In 1825 Klaipėda had 8,500 residents. Moreover, after

5396-475: Was fueled by the increasing trade of the Grand Duchy of Lithuania with the Western countries . Around 1503, there were 25 families of full-fledged townspeople, while in 1540, there were 107 families. Eventually, in 1589, there were 143 families in Klaipėda. The Lithuanians and Curonians lived alongside the German colonists , but the magistrate did not allow non-Germans to join artisan corporations and did not grant them rights available to townspeople. In

5472-550: Was left for the Order. In 1454, King Casimir IV Jagiellon incorporated the region to the Kingdom of Poland upon the request of the anti-Teutonic Prussian Confederation . After the subsequent Thirteen Years' War (1454–1466) the city became a part of Poland as a fief held by the Teutonic Knights, and thus located within the Polish–Lithuanian union . The rebuilt town received Kulm law city rights in 1475. Against

5548-477: Was the highest known; today it still occupies third place. For a time, it was known as Argelander's Star . Together with Adalbert Krüger and Eduard Schönfeld , Argelander was responsible for the star catalogue known as the Bonner Durchmusterung , published between 1859 and 1862, which gave the positions and brightness of more than 324,000 stars, although it did not cover much of the southern half of

5624-522: Was the northernmost and easternmost city in Germany, and although the government was engaged in a very costly tree-planting exercise to stabilise the sand-dunes on the Curonian Spit , most of the financial infusions in the province of East Prussia were concentrated in Königsberg, the capital of the province. Some notable instances of the German infrastructure investments in the area included sandbar blasting and

5700-543: Was visited 64 times by cruise ships , surpassing the Latvian capital, Riga , for the first time. Klaipėda's climate is considered to be oceanic (Köppen Cfb ) using the −3 °C (26.6 °F) isotherm and warm humid continental (Köppen Dfb) using the 0 °C (32.0 °F) isotherm. In July and August, the warmest season, high temperatures average 20 °C (68 °F), and low temperatures average 14 °C (57 °F). The highest official temperature ever recorded

5776-614: Was yet again ravaged by the Imperial Russian Army. Following the Klaipėda Revolt in 1923, Klaipėda Region was incorporated into Lithuania and Lithuanian population in Klaipėda increased due to migration (Lithuanians constituted 30.3% and Germans 57.3% of Klaipėda's 35,845 population in 1925). German politicians promoted a Memellander ideology and argued that Germans and local Lithuanians were "two ethnicities ( Volkstümer ), yet one cultural community ( Kulturgemeinschaft )". Lithuania ceded Klaipėda Region to Nazi Germany due to

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