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Ruhr (river)

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The Ruhr is a river in western Germany ( North Rhine-Westphalia ), a right tributary (east-side) of the Rhine .

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79-535: The source of the Ruhr is near the town of Winterberg in the mountainous Sauerland region, at an elevation of approximately 670 metres (2,200 ft). It flows into the lower Rhine at an elevation of only 17 metres (56 ft) in the municipal area of Duisburg . Its total length is 219 km (136 mi), its average discharge is 79 cubic metres per second (2,800 cu ft/s) at Mülheim near its mouth. Thus, its discharge is, for example, comparable to that of

158-550: A humid continental climate ( Köppen Dfb ) like most of Germany, however also bordering on subarctic climate ( Dfc ), thanks to its altitude, with only having an average temperature above 10 °C and September only being barely above it. The summers are short and cool, while the winters are cold, but warmer than winters in the Alps or in the Ore Mountains . The growing season nonethless lasts for only 100 days. Depending on

237-519: A temperate – oceanic climate ( Köppen: Cfb ) with cool winters and warm summers. It is also one of the cloudiest cities in Germany, with just 1,567.5 hours of sun a year. Its average annual temperature is 10.7 °C (51 °F): 15.4 °C (60 °F) during the day and 6.1 °C (43 °F) at night. In January, the mean temperature is 3.0 °C (37 °F), while the mean temperature in July

316-512: A church is mentioned in Winterberg whose precursor presumably goes back till the time about 1225. The city fortification seems to have granted in the 14th century first only very much restricted protection. The count von Waldeck conquered the town 1321. About 1357 Winterberg became destroyed by Gottfried IV. von Arnsberg during his war with the Cologne archbishop Wilhelm von Gennep . For

395-422: A deeply felt anti-Prussian resentment, which was still significant after World War II, when the former mayor of Cologne, Konrad Adenauer , became the first West German chancellor. During the 19th and 20th centuries, Cologne absorbed numerous surrounding towns, and by World War I had already grown to 700,000 inhabitants. Industrialisation changed the city and spurred its growth. Vehicle and engine manufacturing

474-597: A number of trade shows . The first urban settlement on the grounds of modern-day Cologne was Oppidum Ubiorum , founded in 38 BCE by the Ubii , a Cisrhenian Germanic tribe . In 50 CE, the Romans founded Colonia Claudia Ara Agrippinensium (Cologne) on the river Rhine and the city became the provincial capital of Germania Inferior in 85 CE. It was also known as Augusta Ubiorum . Considerable Roman remains can be found in present-day Cologne, especially near

553-516: A permanent Allied occupation of the entire Rhineland. As part of the demilitarisation of the Rhineland , the city's fortifications had to be dismantled. This was an opportunity to create two green belts ( Grüngürtel ) around the city by converting the fortifications and their fields of fire into large public parks. This was not completed until 1933. In 1919 the University of Cologne , closed by

632-702: A tremendous loss of cultural treasures. The rebuilding of those churches and other landmarks such as the Gürzenich event hall was not undisputed among leading architects and art historians at that time, but in most cases, civil intention prevailed. The reconstruction lasted until the 1990s, when the Romanesque church of St. Kunibert was finished. In 1959, the city's population reached pre-war numbers again. It then grew steadily, exceeding 1 million for about one year from 1975. It remained just below that until mid-2010, when it exceeded 1 million again. In

711-470: Is 19.0 °C (66 °F). The record high temperature of 40.3 °C (105 °F) happened on 25 July 2019 during the July 2019 European heat wave in which Cologne saw three consecutive days over 38.0 °C (100 °F). Especially the inner urban neighbourhoods experience a greater number of hot days, as well as significantly higher temperatures during nighttime compared to the surrounding area (including

790-609: Is 37.5 m (123 ft) above sea level (the Worringer Bruch ). The city of Cologne lies within the larger area of the Cologne Lowland , a cone-shaped area of the central Rhineland that lies between Bonn , Aachen and Düsseldorf . Cologne is divided into 9 boroughs ( Stadtbezirke ) and 85 districts ( Stadtteile ): Located in the Rhine-Ruhr area, Cologne is one of the warmest cities in Germany. It has

869-585: Is a major cultural center for the Rhineland ; it hosts more than 30 museums and hundreds of galleries. There are many institutions of higher education, most notably the University of Cologne , one of Europe's oldest and largest universities; the Technical University of Cologne , Germany's largest university of applied sciences; and the German Sport University Cologne . It hosts three Max Planck science institutes and

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948-629: Is a major research hub for the aerospace industry, with the German Aerospace Center and the European Astronaut Centre headquarters. Lufthansa , Europe's largest airline, have their main corporate headquarters in Cologne. It also has a significant chemical and automobile industry. Cologne Bonn Airport is a regional hub, the main airport for the region being Düsseldorf Airport . The Cologne Trade Fair hosts

1027-612: Is a small set of very closely related dialects, or variants, of the Ripuarian Central German group of languages. These dialects are spoken in the area covered by the Archdiocese and former Electorate of Cologne reaching from Neuss in the north to just south of Bonn , west to Düren and east to Olpe in the North-West of Germany. Kölsch is one of the very few city dialects in Germany, which also include

1106-684: Is further shaped by the Twelve Romanesque churches of Cologne . Cologne is famous for Eau de Cologne , which has been produced in the city since 1709; "cologne" has since come to be a generic term. Cologne was founded and established in Germanic Ubii territory in the 1st century CE as the Roman Colonia Agrippina , hence its name. Agrippina was later dropped (except in Latin), and Colonia became

1185-551: Is regularly affected by flooding from the Rhine and is considered the most flood-prone European city. A city agency ( Stadtentwässerungsbetriebe Köln , "Cologne Urban Drainage Operations") manages an extensive flood control system which includes both permanent and mobile flood walls , protection from rising waters for buildings close to the river banks, monitoring and forecasting systems, pumping stations and programmes to create or protect floodplains , and river embankments. The system

1264-468: Is that in 1638/39 the town council could buy a new organ for 240 imperial talers. Vice versa this could be the trigger for a vain siege of the town about 1640. The Winterberger shooters repulsed therefore attacking Hessen and Sweden successfully. As in many other places in the Duchy of Westphalia , between the 16th and 18th centuries, witch trials and executions took place in Winterberg. The exact number

1343-581: Is unknown because the source material is extremely poor. Documented witch trials took place in 1523, probably 1562, 1629 and possibly 1728. On November 19, 1993, at the site of the "Winterberger Halsgerichts" a monument was opened as a memorial to the victims of the 16th century witch hunts. The second highest mountain of the Sauerland , the Kahler Asten in the Rothaargebirge , is located in

1422-534: The Battle of Worringen in 1288, Cologne gained its independence from the archbishops and became a Free City . Archbishop Sigfried II von Westerburg was forced to reside in Bonn . The archbishop nevertheless preserved the right of capital punishment. Thus the municipal council (though in strict political opposition towards the archbishop) depended upon him in all matters concerning criminal justice. This included torture,

1501-479: The Cologne Bonn Region is home to 3,573,500 living on 4,415/km (11,430/sq mi). It is part of the polycentric megacity region Rhine-Ruhr with a population of over 11,000,000 people. There were 551,528 women and 527,773 men in Cologne. In 2021, there were 11,127 births in Cologne; 5,844 marriages and 1,808 divorces, and 10,536 deaths. In the city, the population was spread out, with 16.3% under

1580-503: The Cologne mark ) were used throughout Europe. The economic structures of medieval and early modern Cologne were characterised by the city's status as a major harbour and transport hub on the Rhine. Craftsmanship was organised by self-administering guilds, some of which were exclusive to women. As a free imperial city , Cologne was a self-ruling state within the Holy Roman Empire , an imperial estate with seat and vote at

1659-639: The Communist and Social Democrats members of the city assembly, and Mayor Adenauer was dismissed. Compared to some other major cities, however, the Nazis never gained decisive support in Cologne. (Significantly, the number of votes cast for the Nazi Party in Reichstag elections had always been the national average.) By 1939, the population had risen to 772,221 inhabitants. During World War II, Cologne

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1738-639: The French Republic (which had already occupied Cologne in 1794). Thus this region later became part of Napoleon's Empire. Cologne was part of the French Département Roer (named after the river Roer, German: Rur ) with Aachen (French: Aix-la-Chapelle) as its capital. The French modernised public life, for example by introducing the Napoleonic code and removing the old elites from power. The Napoleonic code remained in use on

1817-718: The Imperial Diet , and as such had the right (and obligation) to contribute to the defense of the Empire and maintain its own military force. As they wore a red uniform, these troops were known as the Rote Funken (red sparks). These soldiers were part of the Army of the Holy Roman Empire ("Reichskontingent"). They fought in the wars of the 17th and 18th century, including the wars against revolutionary France in which

1896-591: The Royal Air Force in World War ;II. 1,046 heavy bombers attacked their target with 1,455 tons of explosives, approximately two-thirds of which were incendiary. This raid lasted about 75 minutes, destroyed 600 acres (243 ha) of built-up area (61%), killed 486 civilians and made 59,000 people homeless. The devastation was recorded by Hermann Claasen from 1942 until the end of the war, and presented in his exhibition and book of 1947 Singing in

1975-682: The Second Temple in the Siege of Jerusalem and the associated dispersion (diaspora) of the Jews , there is evidence of a Jewish community in Cologne. In 321 CE, Emperor Constantine approved the settlement of a Jewish community with all the freedoms of Roman citizens. It is assumed that it was located near the Marspforte within the city wall. The Edict of Constantine to the Jews is the oldest documented evidence in Germany. Early medieval Cologne

2054-602: The dialect spoken in Berlin , for example. As of 2015, 35.5% of the population belonged to the Catholic Church , the largest religious body, and 15.5% to the Protestant Church . Irenaeus of Lyons claimed that Christianity was brought to Cologne by Roman soldiers and traders at an unknown early date. It is known that in the early second century it was a bishop's seat. The first historical Bishop of Cologne

2133-506: The 17th and 18th centuries, resulting in complicated affairs, which were handled by diplomatic means and propaganda as well as by the supreme courts of the Holy Roman Empire. Cologne lost its status as a free city during the French period. According to the Treaty of Lunéville (1801) all the territories of the Holy Roman Empire on the left bank of the Rhine were officially incorporated into

2212-454: The 1980s and 1990s Cologne's economy prospered for two main reasons. The first was the growth in the number of media companies, both in the private and public sectors; they are especially catered for in the newly developed Media Park, which creates a strong visual focal point in Cologne's city centre and includes the KölnTurm , one of Cologne's most prominent high-rise buildings. The second was

2291-517: The Alps. Cologne is shown on the 4th century Peutinger Map . Maternus, who was elected as bishop in 313, was the first known bishop of Cologne. The city was the capital of a Roman province until it was occupied by the Ripuarian Franks in 462. Parts of the original Roman sewers are preserved underneath the city, with the new sewerage system having opened in 1890. After the destruction of

2370-531: The Bavarian Wittelsbach dynasty . Due to the free status of Cologne, the archbishops were usually not allowed to enter the city. Thus they took up residence in Bonn and later in Brühl on the Rhine. As members of an influential and powerful family, and supported by their outstanding status as electors , the archbishops of Cologne repeatedly challenged and threatened the free status of Cologne during

2449-653: The French (1794–1815) and the British (1918–1926), and was part of Prussia beginning in 1815. Cologne was one of the most heavily bombed cities in Germany during World War II. The bombing reduced the population by 93% mainly due to evacuation, and destroyed around 80% of the millennia-old city center. The post-war rebuilding has resulted in a mixed cityscape, restoring most major historic landmarks like city gates and churches (31 of them being Romanesque ). The city nowadays consists of around 25% pre World War II buildings and boasts around 9,000 historic buildings. Cologne

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2528-538: The French in 1798, was reopened. This was considered to be a replacement for the loss of the University of Strasbourg on the west bank of the Rhine, which reverted to France with the rest of Alsace . Cologne prospered during the Weimar Republic (1919–33), and progress was made especially in public governance, city planning, housing and social affairs. Social housing projects were considered exemplary and were copied by other German cities. Cologne competed to host

2607-687: The Olympics, and a modern sports stadium was erected at Müngersdorf. When the British occupation ended, the prohibition of civil aviation was lifted and Cologne Butzweilerhof Airport soon became a hub for national and international air traffic, second in Germany only to Berlin Tempelhof Airport . The democratic parties lost the local elections in Cologne in March 1933 to the Nazi Party and other extreme-right parties. The Nazis then arrested

2686-667: The Ruhr are (from source to mouth): Winterberg Winterberg ( Westphalian : Winnenmerg ) is a town in the Hochsauerland district of North Rhine-Westphalia , central Germany and a major winter sport resort of the Wintersport Arena Sauerland . Winterberg is located in the middle of the Sauerland , at the source of the Ruhr and Lenne rivers. After the local government reforms of 1975 Winterberg consists of 15 districts: Winterberg experiences

2765-622: The age of 18, and 17.8% were 65 years of age or older. 203 people in Cologne were over the age of 100. According to the Statistical Office of the City of Cologne, the number of people with a migrant background is at 40.5% (436,660). 2,254 people acquired German citizenship in 2021. In 2021, there were 559,854 households, of which 18.4% had children under the age of 18; 51% of all households were made up of singles. 8% of all households were single-parent households. The average household size

2844-399: The airport, where temperatures are classified). Still temperatures can vary noticeably over the course of a month with warmer and colder weather. Precipitation is spread evenly throughout the year with a light peak in summer due to showers and thunderstorms. The progressing climate change can be seen by looking at the climate data of the previous decade with lower mean temperatures. Cologne

2923-490: The archbishops of Cologne first gained noteworthy secular power when bishop Bruno was appointed as duke by his brother Otto I , King of Germany . In order to weaken the secular nobility, who threatened his power, Otto endowed Bruno and his archiepiscopal successors with the prerogatives of secular princes, thus establishing the Electorate of Cologne , formed by the temporal possessions of the archbishopric and included in

3002-554: The availability of trade opportunities. The intersection of these trade routes was the basis of Cologne's growth. By the end of the 12th century, Archbishop Phillip von Heinsberg enclosed the entire city with walls . By 1300 the city population was 50,000–55,000. Cologne was a member of the Hanseatic League in 1475, when Frederick III confirmed the city's imperial immediacy. Cologne was so influential in regional commerce that its systems of weights and measurements (e.g.

3081-410: The beginning of the 16th century Winterberg expanded her farmland in the area of Astenberg . Thereby they got during conflict with the count of von Waldeck who owned rights in the neighbouring village Nordenau . From southwest her territorial claims overlapped with the county Wittgenstein. This quarrel stretched with both opponents up to the end of the 18th century. In a comparison with Wittgenstein 1783

3160-456: The city area, which also contains the spring of the Lenne and Ruhr rivers. The city is one of the winter sports centers of the Sauerland , best known probably for the bobsleigh, luge, and skeleton track . In 2003, there were the first official World Wok Championships, initiated by Stefan Raab . The arms show the city (the city walls only existed between 1261 and 1266) behind the patron of

3239-582: The city during World War II, destroying 61% of its built up area. During the Bombing of Cologne in World War II , Cologne endured 262 air raids by the Western Allies , which caused approximately 20,000 civilian casualties and almost completely wiped out the central part of the city. During the night of 31 May 1942, Cologne was the target of " Operation Millennium ", the first 1,000 bomber raid by

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3318-596: The city fell to him in the Battle of Cologne . Charles fled to the Eifel mountains, rallied supporters and took the city back that same year after defeating Chilperic in the Battle of Amblève . Cologne had been the seat of a bishop since the Roman period; under Charlemagne , in 795, bishop Hildebold was promoted to archbishop . In the 843 Treaty of Verdun Cologne fell into the dominion of Lothair I 's Middle Francia – later called Lotharingia ( Lower Lorraine ). In 953,

3397-723: The city proper and over 3.1 million people in the Cologne Bonn urban region . Cologne is also part of the Rhine-Ruhr metropolitan region , the second biggest metropolitan region by GDP in the European Union. Centered on the left (west) bank of the Rhine , Cologne is located on the River Rhine ( Lower Rhine ), about 35 km (22 mi) southeast of the North Rhine-Westphalia state capital Düsseldorf and 25 km (16 mi) northwest of Bonn ,

3476-567: The city, Saint James , as Winterberg is located on one of the Ways of St. James . Winterberg is twinned with: Cologne Cologne ( / k ə ˈ l oʊ n / kə- LOHN ; German: Köln [kœln] ; Kölsch : Kölle [ˈkœlə] ) is the largest city of the German state of North Rhine-Westphalia and the fourth-most populous city of Germany with nearly 1.1 million inhabitants in

3555-471: The city, the remains of which can be seen to this day. The military demands on what became Germany's largest fortress presented a significant obstacle to urban development, with forts, bunkers, and wide defensive dugouts completely encircling the city and preventing expansion; this resulted in a very densely built-up area within the city itself. During World War I Cologne was the target of several minor air raids but suffered no significant damage. Cologne

3634-571: The dams on the Ruhr, the Möhne Dam and the Sorpe Dam were targets for Operation Chastise , in which special "bouncing bombs" were developed to take out the dams and flood the valley, with the hope of seriously affecting the German industries there. The story was told in a 1951 book and the popular 1955 film made from it, The Dam Busters . There are five Ruhr reservoirs on the river, often used for leisure activities. The main tributaries of

3713-501: The debatable area was split. During the Thirty Years' War the neighbouring town Medebach and Hallenberg were 1634 destroyed by Hessian troops. Both had to suffer very much from contributions, lootings and murders. Besides, still the plague broke out soon afterwards. Both towns thereby had to register big population losses. This destiny seems to have remained saved to the city of Winterberg to a great extent. An important clue for this

3792-514: The definition the climate can also described as oceanic ( Cfb ), bordering on a subpolar oceanic climate ( Cfc ). Winterberg was declared a city by Archbishop Konrad von Hochstaden (1238-’61) about 1270. The foundation of the city of Winterberg was presumably carried out together with the cloister in Küstelberg . Here indicates a document of 1276 in which the rights are regulated in the town between archbishop and cloister. In this document

3871-561: The end a strip of territory along the left Bank of the Rhine east of Jülich , as well as the Duchy of Westphalia on the other side of the Rhine, beyond Berg and Mark . By the end of the 12th century, the Archbishop of Cologne was one of the seven electors of the Holy Roman Emperor. Besides being prince elector, he was Archchancellor of Italy as well, technically from 1238 and permanently from 1263 until 1803. Following

3950-400: The end of 1945, however, the population had already recovered to approximately 450,000. By the end of the war, essentially all of Cologne's pre-war Jewish population of 11,000 had been deported or killed by the Nazis. The six synagogues of the city were destroyed. The synagogue on Roonstraße was rebuilt in 1959. Despite Cologne's status as the largest city in the region, nearby Düsseldorf

4029-545: The expense of the city's historic heritage with much being demolished (for example, the city walls or the area around the cathedral) and sometimes replaced by contemporary buildings. Cologne was designated as one of the Fortresses of the German Confederation . It was turned into a heavily armed fortress (opposing the French and Belgian fortresses of Verdun and Liège ) with two fortified belts surrounding

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4108-403: The fact that trade played a central role as a life basis of the town. Between 1350 and 1500 the surrounding settlements of Wernsdorf , Merleheim, Haarfeld, Günninghausen and Elkeringhausen were abandoned by their inhabitants. They often moved to Winterberg while they maintained the possession rights on their land. The abandonment of the old settlements is likely related to the plague and also to

4187-623: The focus of the conflict. In 1837 the archbishop of Cologne, Clemens August von Droste-Vischering , was arrested and imprisoned for two years after a dispute over the legal status of marriages between Catholics and Protestants ( Mischehenstreit ). In 1874, during the Kulturkampf , Archbishop Paul Melchers was imprisoned before taking asylum in the Netherlands. These conflicts alienated the Catholic population from Berlin and contributed to

4266-404: The former capital of West Germany . The city's medieval Cologne Cathedral ( Kölner Dom ) was the world's tallest building 1880–1890 and is today the third-tallest church and tallest cathedral in the world . It was constructed to house the Shrine of the Three Kings and is a globally recognized landmark and one of the most visited sights and pilgrimage destinations in Europe. The cityscape

4345-428: The frequent feuds and lootings of the time, since bigger towns offered a better protection against enemy troops. Only the cities/towns of Winterberg, Hallenberg, Schmallenberg and Medebach were presumably inhabited at this time. The surrounding areas were most likely left completely deserted. By the acquisition of region "Marken" the area of Winterberg strongly extended. There were similar trends in neighbouring towns. At

4424-410: The furnace. Cologne – Remains of an old city . Cologne was taken by the American First Army in early March 1945 during the Invasion of Germany after a battle . By the end of the war, the population of Cologne had been reduced by 95%. This loss was mainly caused by a massive evacuation of the people to more rural areas. The same happened in many other German cities in the last two years of war. By

4503-452: The left bank of the Rhine until 1900, when a unified civil code (the Bürgerliches Gesetzbuch ) was introduced in the German Empire . In 1815 at the Congress of Vienna , Cologne was made part of the Kingdom of Prussia , first in the Province of Jülich-Cleves-Berg and then the Rhine Province . The permanent tensions between the Catholic Rhineland and the overwhelmingly Protestant Prussian state repeatedly escalated with Cologne being in

4582-400: The most important major trade routes between east and western Europe (including the Brabant Road , Via Regia and Publica). Cologne was a free imperial city of the Holy Roman Empire and one of the major members of the trade union Hanseatic League . It was one of the largest European cities in medieval and renaissance times. Prior to World War II , the city had undergone occupations by

4661-435: The name of the city in its own right, which developed into modern German as Köln . Cologne , the French version of the city's name, has become standard in English as well. Cologne functioned as the capital of the Roman province of Germania Inferior and as the headquarters of the Roman military in the region until occupied by the Franks in 462. During the Middle Ages the city flourished as being located on one of

4740-459: The permanent improvement of the diverse traffic infrastructure, which made Cologne one of the most easily accessible metropolitan areas in Central Europe. Due to the economic success of the Cologne Trade Fair , the city arranged a large extension to the fair site in 2005. At the same time the original buildings, which date back to the 1920s, were rented out to RTL , Germany's largest private broadcaster, as their new corporate headquarters. Cologne

4819-495: The reconstruction the archbishop granted an at first ten-year-old tax freedom. This was extended in 1370 and 1374 in each case by other five years. At this time Winterberg owned the same town right like Hallenberg. Winterberg was a member of the Hanseatic League from the 13th until the 17th century. The town was in the middle of two trade roads, Heidenstrasse between Cologne and Kassel and Heerstrasse between Frankfurt am Main and Soest . The bad agricultural conditions led to

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4898-409: The river Ems in Northern Germany or the River Thames in the United Kingdom . The Ruhr first passes the towns of Meschede , Arnsberg , Wickede , Fröndenberg , Holzwickede , Iserlohn , and Schwerte . Then the river marks the southern limit of the Ruhr area , passing Hagen , Dortmund , Herdecke , Wetter , Witten , Bochum , Hattingen , Essen , Mülheim , and Duisburg . The Ruhr area

4977-450: The sentence for which was only allowed to be handed down by the episcopal judge known as the greve. This legal situation lasted until the French conquest of Cologne. Besides its economic and political significance Cologne also became an important centre of medieval pilgrimage, when Cologne's archbishop, Rainald of Dassel , gave the relics of the Three Wise Men to Cologne's cathedral in 1164 (after they had been taken from Milan ). Besides

5056-430: The small force was almost completely wiped out in combat. The tradition of these troops is preserved as a military persiflage by Cologne's most outstanding carnival society, the Rote Funken . The Free Imperial City of Cologne must not be confused with the Electorate of Cologne , which was a state of its own within the Holy Roman Empire. Since the second half of the 16th century the majority of archbishops were drawn from

5135-405: The third largest city by area. The population density was 2,700/km (7,000/sq mi). Cologne first reached the population of 1,000,000 in 1975 due to the incorporation of Wesseling , however this was reversed after public opposition. In 2009 Cologne's population again reached 1,000,000 and it became one of the four cities in Germany with a population exceeding 1 Million. The metropolitan area of

5214-420: The three magi Cologne preserves the relics of Saint Ursula and Albertus Magnus . Cologne's location on the river Rhine placed it at the intersection of the major trade routes between east and west as well as the main south–north Western Europe trade route, Venice to Netherlands; even by the mid-10th century, merchants in the town were already known for their prosperity and luxurious standard of living due to

5293-477: The war a large increase in automobile traffic could be anticipated. Plans for new roads had already, to a certain degree, evolved under the Nazi administration, but the actual construction became easier when most of the city centre was in ruins. The destruction of 95% of the city centre, including the famous Twelve Romanesque churches such as St. Gereon , Great St. Martin , St. Maria im Kapitol and several other monuments in World War II, meant

5372-417: The wharf area, where a 1,900-year-old Roman boat was discovered in late 2007. From 260 to 271, Cologne was the capital of the Gallic Empire under Postumus , Marius , and Victorinus . In 310, under emperor Constantine I , a bridge was built over the Rhine at Cologne. Roman imperial governors resided in the city and it became one of the most important trade and production centers in the Roman Empire north of

5451-455: Was Saint Maternus . Thomas Aquinas studied in Cologne in 1244 under Albertus Magnus . Cologne is the seat of the Archdiocese of Cologne . According to the 2011 census, 2.1% of the population was Eastern Orthodox , 0.5% belonged of an Evangelical Free Church and 4.2% belonged to further religious communities officially recognized by the state of North Rhine-Westphalia (such as Jehovah's Witnesses ). There are several mosques, including

5530-526: Was 1.88. Cologne residents with a foreign citizenship as of 31 December 2021 is as follows: Cologne is home to 90,000 people of Turkish origin and is the second largest German city with Turkish population after Berlin . Cologne has a Little Istanbul in Keupstraße that has many Turkish restaurants and markets. Famous Turkish-German people like rapper Eko Fresh and TV presenter Nazan Eckes were born in Cologne. Colognian or Kölsch ( Colognian pronunciation: [kœɫːʃ] ) (natively Kölsch Platt )

5609-449: Was Germany's primary industrial area during the early- to mid-20th century. Most factories were located there. The occupation of the Ruhr from 1923 to 1924 by French forces, due to the Weimar Republic 's failure to continue paying reparations from World War I , provoked passive resistance , which saw production in the factories grind to a halt. As a result, the German hyperinflation crisis grew even worse. During World War II , two of

5688-456: Was a Military Area Command Headquarters ( Militärbereichshauptkommandoquartier ) for Wehrkreis VI (headquartered at Münster ). Cologne was under the command of Lieutenant-General Freiherr Roeder von Diersburg, who was responsible for military operations in Bonn , Siegburg , Aachen , Jülich , Düren , and Monschau . Cologne was home to the 211th Infantry Regiment and the 26th Artillery Regiment. The Allies dropped 44,923.2 tons of bombs on

5767-547: Was chosen as the political capital of the federated state of North Rhine-Westphalia . With Bonn being chosen as the provisional federal capital ( provisorische Bundeshauptstadt ) and seat of the government of the Federal Republic of Germany (then informally West Germany ), Cologne benefited by being sandwiched between two important political centres. The city became–and still is–home to a number of federal agencies and organizations. After reunification in 1990, Berlin

5846-466: Was especially successful, though the heavy industry was less ubiquitous than in the Ruhr area . The cathedral , started in 1248 but abandoned around 1560, was eventually finished in 1880 not just as a place of worship but also as a German national monument celebrating the newly founded German empire and the continuity of the German nation since the Middle Ages. Some of this urban growth occurred at

5925-479: Was made the capital of Germany. In 1945 architect and urban planner Rudolf Schwarz called Cologne the "world's greatest heap of rubble". Schwarz designed the master plan for reconstruction in 1947, which included the construction of several new thoroughfares through the city centre, especially the Nord-Süd-Fahrt ("North-South-Drive"). The master plan took into consideration the fact that even shortly after

6004-604: Was occupied by the British Army of the Rhine until 1926, under the terms of the Armistice and the subsequent Versailles Peace Treaty . In contrast with the harsh behaviour of the French occupation troops in Germany, the British forces were more lenient to the local population. Konrad Adenauer , the mayor of Cologne from 1917 until 1933 and later a West German chancellor, acknowledged the political impact of this approach, especially since Britain had opposed French demands for

6083-587: Was part of Austrasia within the Frankish Empire . Cunibert, made bishop of Cologne in 623, was an important advisor to the Merovingian King Dagobert I and served with domesticus Pepin of Landen as tutor to the king's son and heir Siegebert III, the future king of Austrasia. In 716, Charles Martel commanded an army for the first time and suffered the only defeat of his life when Chilperic II , King of Neustria , invaded Austrasia and

6162-655: Was redesigned after a 1993 flood, which resulted in heavy damage. In the Roman Empire, the city was large and rich with a population of 40,000 in 100–200 AD. The city was home to around 20,000 people in 1000 AD, growing to 50,000 in 1200 AD. The Rhineland metropolis still had 50,000 residents in 1300 AD. Cologne is the fourth-largest city by population in Germany after Berlin , Hamburg and Munich . As of 31 December 2021, there were 1,079,301 people registered as living in Cologne in an area of 404.99 km (156.37 sq mi), which makes Cologne

6241-536: Was the focus of the 2015-16 New Year's Eve sexual assaults in Germany , with over 500 women reporting that they were sexually assaulted by persons of African and Arab appearance. The metropolitan area encompasses over 405 square kilometres (156 square miles), extending around a central point that lies at 50° 56' 33 latitude and 6° 57' 32 longitude. The city's highest point is 118 m (387 ft) above sea level (the Monte Troodelöh ) and its lowest point

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