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Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences

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The Nicolaus Copernicus Astronomical Center ( Polish : Centrum Astronomiczne im. Mikołaja Kopernika ), also CAMK or NCAC , is a Polish scientific research institute of the Polish Academy of Sciences headquartered in Warsaw , Poland . It is a leading institution in the country in the field of astronomy .

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87-603: In the 1950s the Polish Academy of Sciences began planning for a new center for astronomers from all over Poland. However, a few years later the Academy's administration decided to withdraw from the project, and it was never funded. In the early 1970s a group of Polish astronomers proposed a new initiative. During an assembly of the Polish Academy of Sciences, professors Bohdan Paczyński and Józef Smak presented

174-515: A castellany dates to 1313. With the completion of St John's Cathedral in 1390, Warsaw became one of the seats of the Dukes of Masovia and was officially made capital of the Masovian Duchy in 1413. The economy then predominantly rested on craftsmanship or trade, and the town housed approximately 4,500 people at the time. During the 15th century, the population migrated and spread beyond

261-477: A personal union with Imperial Russia . The Royal University of Warsaw was established in 1816. With the violation of the Polish constitution , the 1830 November Uprising broke out against foreign influence. The Polish-Russian war of 1831 ended in the uprising's defeat and in the curtailment of Congress Poland's autonomy. On 27 February 1861, a Warsaw crowd protesting against Russian control over Congress Poland

348-510: A Department of Astrophysics in Toruń , a Polish city famous for being Nicolaus Copernicus 's hometown and its medieval old town . Polish Academy of Sciences The Polish Academy of Sciences ( Polish : Polska Akademia Nauk , PAN ) is a Polish state-sponsored institution of higher learning . Headquartered in Warsaw , it is responsible for spearheading the development of science across

435-525: A different pattern of geomorphological forms. There are several levels of the Vistula plain terraces (flooded as well as formerly flooded), and only a small part is a not-so-visible moraine escarpment. Aeolian sand with a number of dunes parted by peat swamps or small ponds cover the highest terrace. These are mainly forested areas ( pine forest ). Warsaw experiences an oceanic ( Köppen : Cfb) or humid continental ( Köppen : Dfb) climate, depending on

522-720: A great inspiration from the Roman period. The best-known architect who worked in Warsaw at the time was Domenico Merlini , who designed the Palace on the Isle . Other significant buildings from this period include Królikarnia , Holy Trinity Church , St. Anne's Church, Warsaw . Also in the first half of the 19th century, neoclassicism dominated the architecture of Warsaw. Old buildings were rebuilt and new ones were built in this style. The neoclassical revival affected all aspects of architecture;

609-399: A height 75.6 m (248 ft) (at the right bank of the Vistula, by the eastern border of Warsaw). There are some hills (mostly artificial) located within the confines of the city – e.g. Warsaw Uprising Hill (121 m (397 ft)) and Szczęśliwice hill (138 m (453 ft) – the highest point of Warsaw in general). Warsaw is located on two main geomorphologic formations:

696-708: A major cultural, political and economic hub, and the country's seat of government. It is also the capital of the Masovian Voivodeship . Warsaw traces its origins to a small fishing town in Masovia . The city rose to prominence in the late 16th century, when Sigismund III decided to move the Polish capital and his royal court from Kraków . Warsaw served as the de facto capital of the Polish–Lithuanian Commonwealth until 1795, and subsequently as

783-424: A more westward position. In 1945, after the bombings, revolts, fighting, and demolition had ended, most of Warsaw lay in ruins. The area of the former ghetto was razed to the ground, with only a sea of rubble remaining. The immense destruction prompted a temporary transfer of the new government and its officials to Łódź , which became the transitional seat of power. Nevertheless, Warsaw officially resumed its role as

870-476: A noticeable mark on its architecture and urban form. Unlike most Polish cities, Warsaw's cityscape is mostly contemporary – modern glass buildings are towering above older historical edifices which is a common feature of North American metropolises. Warsaw is among the European cities with the highest number of skyscrapers and is home to European Union's tallest building . Skyscrapers are mostly centered around

957-565: A project for a theoretical-astrophysics institute, in order to overcome problems related to the high cost of building a telescope. In May 1971 the US National Academy of Sciences sent an envoy to Poland from Yerkes Observatory . The envoy spoke with many representatives of the Polish astronomical community, and a more precise concept of CAMK emerged. It was well received by the US National Academy of Sciences; and

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1044-501: A third of the Polish government's budget for science. The Polish Academy of Sciences is led by a President, elected by the assembly of Academy members for a four-year term, together with a number of Vice Presidents. The President for the 2019–2022 term was Jerzy Duszyński (his second term in the post), together with five Vice Presidents: Stanisław Czuczwar , Stanisław Filipowicz , Paweł Rowiński , Roman Słowiński , and Romuald Zabielski . On 20 October 2022, General Assembly of

1131-660: A variety of European architectural styles, was listed as a World Heritage Site in 1980. Other landmarks include the Royal Castle , Sigismund's Column , the Wilanów Palace , the Palace on the Isle , St. John's Archcathedral , Main Market Square , and numerous churches and mansions along the Royal Route . Warsaw is a green capital, with around a quarter of the city's area occupied by parks. In sports,

1218-474: Is officially estimated at 1.86 million residents within a greater metropolitan area of 3.27 million residents, which makes Warsaw the 7th most-populous city in the European Union . The city area measures 517 km (200 sq mi) and comprises 18 districts , while the metropolitan area covers 6,100 km (2,355 sq mi). Warsaw is classified as an alpha global city ,

1305-588: Is one of the cities with the highest number of skyscrapers in Europe. Although contemporary Warsaw is a fairly young city compared to other European capitals, it has numerous tourist attractions and architectural monuments dating back centuries. Apart from the Warsaw Old Town area, reconstructed after World War II, each borough has something to offer. Among the most notable landmarks of the Old Town are

1392-804: Is represented by the Metropolitan Office Building at Pilsudski Square and Varso tower, both by Norman Foster , Warsaw University Library (BUW) by Marek Budzyński and Zbigniew Badowski, featuring a garden on its roof and view of the Vistula River, Rondo 1 office building by Skidmore, Owings & Merrill , Złota 44 residential skyscraper by Daniel Libeskind , Museum of the History of Polish Jews by Rainer Mahlamäki and Golden Terraces , consisting of seven overlapping domes retail and business centre. Jointly with Moscow, Istanbul, Frankfurt, London, Paris and Rotterdam, Warsaw

1479-483: Is represented in the majestic churches but also at the burgher houses and fortifications. The most significant buildings are St John's Cathedral (1390), a typical example of the so-called Masovian Brick Gothic style; St Mary's Church (1411); the Burbach townhouse (14th century); Gunpowder Tower (after 1379); and Royal Castle 's Curia Maior (1407–1410). The most notable examples of Renaissance architecture in

1566-532: The 2022 Russian invasion of Ukraine . The amount means a tenth of the Polish capital's population of 1.8 million — the second-largest single group of Ukrainian refugees. Warsaw lies in east-central Poland about 300 km (190 mi) from the Carpathian Mountains and about 260 km (160 mi) from the Baltic Sea , 523 km (325 mi) east of Berlin, Germany. The city straddles

1653-834: The Domestic Economy Bank , the directorate of the Polish State Railways , the Supreme Audit Office , and the campus of the Warsaw School of Economics . New districts were also established in Żoliborz , Ochota , and Mokotów , often designed around a central square with radiating streets ( Narutowicz Square , Wilson Square ). Examples of new large urban projects are the Staszic and Lubecki colonies in Ochota . Exceptional examples of

1740-647: The East End of London and London Docklands . Poorer religious and ethnic minorities, such as the Jews, settled in the crowded parts of northern Warsaw, in Muranów . The Imperial Census of 1897 recorded 626,000 people living in Warsaw, making it the third-largest city of the Empire after St. Petersburg and Moscow as well as the largest city in the region. Grand architectural complexes and structures were also erected in

1827-693: The General Government , a German Nazi colonial administration. All higher education institutions were immediately closed and Warsaw's entire Jewish population – several hundred thousand, some 30% of the city – were herded into the Warsaw Ghetto . In July 1942, the Jews of the Warsaw Ghetto began to be deported en masse to the Aktion Reinhard extermination camps, particularly Treblinka . The city would become

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1914-554: The Ghetto Uprising in 1943, the general Warsaw Uprising in 1944, and systematic razing . Warsaw is served by three international airports, the busiest being Warsaw Chopin , as well as Warsaw Modlin and Warsaw Radom Airport . Major public transport services operating in the city include the Warsaw Metro , buses , commuter rail service and an extensive tram network . The city is a significant economic centre for

2001-663: The Red Army was deep into Polish territory and pursuing the Nazis toward Warsaw. The Polish government-in-exile in London gave orders to the underground Home Army (AK) to try to seize control of Warsaw before the Red Army arrived. Thus, on 1 August 1944, as the Red Army was nearing the city, the Warsaw uprising began. The armed struggle, planned to last 48 hours, was partially successful, however, it went on for 63 days. Eventually,

2088-614: The Royal Castle , Sigismund's Column , Market Square , and the Barbican . Further south is the so-called Royal Route , with many historical churches, Baroque and Classicist palaces, most notably the Presidential Palace , and the University of Warsaw campus. The former royal residence of King John III Sobieski at Wilanów is notable for its Baroque architecture and eloquent palatial garden. In many places in

2175-550: The Vistula River. It is located in the heartland of the Masovian Plain , and its average elevation is 100 m (330 ft) above sea level. The highest point on the left side of the city lies at a height of 115.7 m (380 ft) ("Redutowa" bus depot, district of Wola), on the right side – 122.1 m (401 ft) ("Groszówka" estate, district of Wesoła, by the eastern border). The lowest point lies at

2262-793: The Vistula escarpment were constructed. In the architecture of Catholic churches, the Counter-Reformation type became a novelty, exemplified by the Church of St. Anthony of Padua , the Carmelite Church and the Holy Cross Church . Warsaw Baroque from the turn of the 17th and 18th centuries was characterized by building facades with a predominance of vertical elements close to the wall and numerous ornaments . The most important architect working in Warsaw at that time

2349-590: The Warsaw Society of Friends of Learning (Science), which had been founded in the late 18th century. The Polish Academy of Sciences functions as a learned society acting through an elected assembly of leading scholars and research institutions. The Academy has also, operating through its committees, become a major scientific advisory body. Another aspect of the Academy is its coordination and overseeing of numerous (several dozen) research institutes . PAN institutes employ over 2,000 people and are funded by about

2436-516: The Wedel factory and the extensive Municipal Gasworks complex . In the architecture of the 1920s, national historicism and other historical forms were dominant. Art Deco forms also appeared, and towards the end of the decade, avant-garde functionalism emerged. The creation of urban plans for the capital of Poland can be traced back to 1916, when, after the retreat of the Russians from Warsaw and

2523-571: The bourgeois architecture of the later periods were not restored by the communist authorities after the war or were remodelled into a socialist realist style (like Warsaw Philharmonic edifice originally inspired by Palais Garnier in Paris ). Despite that, the Warsaw University of Technology (Polytechnic) building. is the most interesting of the late 19th-century architecture. Some 19th-century industrial and brick workhouse buildings in

2610-463: The Śródmieście district, with many located in the commercial district of Wola . A concentric zone pattern emerged within the last decades; the majority of Warsaw's residents live outside the commercial city centre and commute by metro , bus or tram. Tenements and apartments in the central neighbourhoods are often reserved for commercial activity or temporary (tourist, student) accommodation. The nearest residential zones are predominantly located on

2697-515: The 19th century that had survived in a reasonably reconstructible form were nonetheless demolished in the 1950s and 1960s, like the Kronenberg Palace . The Śródmieście (central) region's urban system was completely reshaped; former cobblestone streets were asphalted and significantly widened for traffic use. Many notable streets such as Gęsia, Nalewki and Wielka disappeared as a result of these changes and some were split in half due to

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2784-550: The 880-meter Piaseczyński Canal on the axis of Ujazdów Castle , the Ujazdów Calvary and the Saxon Axis . The Visitationist Church also dates from this period. The neoclassical architecture began to be the main style in the capital's architecture in Warsaw in the second half of the 18th century thanks to King Stanisław August Poniatowski . It can be described by the simplicity of the geometrical forms teamed with

2871-581: The Academy for the 2023–2026 term. All the Presidents of the Polish Academy of Sciences to date, by term, are as follows: The Polish Academy of Sciences has numerous institutes, including: Warsaw Warsaw , officially the Capital City of Warsaw , is the capital and largest city of Poland . The metropolis stands on the River Vistula in east-central Poland. Its population

2958-859: The European Union. The city's primary educational and cultural institutions comprise the University of Warsaw , the Warsaw University of Technology , the SGH Warsaw School of Economics , the Chopin University of Music , the Polish Academy of Sciences , the National Philharmonic Orchestra , the National Museum , and the Warsaw Grand Theatre , the largest of its kind in the world. The reconstructed Old Town , which represents

3045-718: The Home Army fighters and civilians assisting them were forced to capitulate. They were transported to PoW camps in Germany, while the entire civilian population was expelled. Polish civilian deaths are estimated at between 150,000 and 200,000. Hitler, ignoring the agreed terms of the capitulation, ordered the entire city to be razed to the ground and the library and museum collections taken to Germany or burned. Monuments and government buildings were blown up by special German troops known as Verbrennungs- und Vernichtungskommando ("Burning and Destruction Detachments"). About 85% of

3132-470: The Polish Academy of Sciences elected Marek Konarzewski to become the new President of the Academy for the 2023–2026 term. On 8 December 2022, another session of General Assembly of the Academy elected four Vice Presidents at the recommendation of the President Elect; as such Mirosława Ostrowska , Natalia Sobczak , and Dariusz Jemielniak , and Aleksander Welfe were elected as Vice Presidents of

3219-833: The Praga district were restored, though many have been poorly maintained or demolished. Notable examples of post-war architecture include the Palace of Culture and Science , a soc-realist and art deco skyscraper based on the Empire State Building in New York. The Constitution Square with its monumental socialist realism architecture (MDM estate) was modelled on the grand squares of Paris, London, Moscow and Rome . Italianate tuscan-styled colonnades based on those at Piazza della Repubblica in Rome were also erected on Saviour Square . Contemporary architecture in Warsaw

3306-557: The US could provide substantial financial support for the CAMK's construction. There were, in US-owned funds, nearly $ 351 million Polish zloty s of "wheat money". This amount of Polish zlotych had accumulated as a result of US agricultural sales to Poland following World War II . At that time the Polish currency could not be converted into other currencies, and so could not be counted in

3393-519: The US federal budget. It was therefore convenient for both the United States and for Poland to build CAMK with those funds. Part of the Polish "wheat debt" to the US could be cancelled, at no cost in dollars to the US government. The CAMK center was built in Siekierki , then a rather poor district of Warsaw. The main road of Siekierki , ulica Bartycka , was also built at that time to connect

3480-452: The Vistula terraces is asymmetrical. The left side consists mainly of two levels: the highest one contains former flooded terraces and the lowest one is the floodplain terrace. The contemporary flooded terrace still has visible valleys and ground depressions with water systems coming from the old Vistula – riverbed. They consist of still quite natural streams and lakes as well as the pattern of drainage ditches. The right side of Warsaw has

3567-642: The advent of internet in Poland , CAMK was one of the first places in Poland to connect to the world-wide-web: the early parabola used for the internet connection in the early '90s is still visible in the CAMK's front garden from ulica Bartycka. The main subjects of research include: stellar evolution , binary stars , asteroseismology , circumstellar matter, compact objects ( neutron stars , black holes ), accretion processes, structure and evolution of active galaxies , cosmology and extrasolar planets . In 2020 CAMK employed 69 researchers. The CAMK center has also

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3654-727: The architectural landscape of the city only began in the mid-1920s. The forming state structures needed headquarters, leading to the construction of many monumental public buildings, including the buildings of the Sejm and the Senate , the Ministry of Religious Affairs and Public Education , the Ministry of Public Works , the National Museum , the State Geological Institute , the State Agricultural Bank,

3741-498: The artists from the court circle of King Sigismund III Vasa (the early Warsaw Baroque is referred to as Vasa Baroque). Among the first structures of the early Baroque, the most important are St. Hyacinth's Church and Sigismund's Column , the first secular monument in the form of a column in modern history. At that time, part of the Royal Castle was rebuilt in this style, the Ujazdów Castle and numerous Baroque palaces on

3828-423: The banks of the Vistula river. One hypothesis states that Warszawa means "belonging to Warsz", Warsz being a shortened form of the masculine Old Polish name Warcisław, which etymologically is linked with Wrocław . However the ending -awa is unusual for a large city; the names of Polish cities derived from personal names usually end in -ów/owo/ew/ewo (e.g. Piotrków, Adamów). Folk etymology attributes

3915-440: The beginnings of the German occupation, the territories of the surrounding municipalities were annexed to the city. Even before Poland regained its independence, parallel to the creation of the administration of the future state, the first urban visions were emerging. These included, among others, the construction of a representative government district in the southern part of Śródmieście . However, major changes in urban planning and

4002-415: The capital of Poland and the country's centre of political and economic life. After World War II, the "Bricks for Warsaw" campaign was initiated and large prefabricated housing projects were erected in Warsaw to address the major housing shortage. Plattenbau -styled apartment buildings were seen as a solution to avoid Warsaw's former density problem and to create more green spaces. Some of the buildings from

4089-400: The capitals of the Commonwealth's two component parts, Poland and Lithuania, which were Kraków and Vilnius respectively, Warsaw became the capital of the Commonwealth and the Polish Crown when Sigismund III Vasa transferred his royal court in 1596. In the subsequent years the town significantly expanded to the south and westwards. Several private independent districts ( jurydyka ) were

4176-438: The centre of urban resistance to Nazi rule in occupied Europe. When the order came to annihilate the ghetto as part of Hitler 's " Final Solution " on 19 April 1943, Jewish fighters launched the Warsaw Ghetto Uprising . Despite being heavily outgunned and outnumbered, the ghetto held out for almost a month. When the fighting ended, almost all survivors were massacred, with only a few managing to escape or hide. By July 1944,

4263-401: The city across the Vistula . Warszawa Główna railway station (1932–1939) was not completed due to the outbreak of the Second World War . Stefan Starzyński was the Mayor of Warsaw between 1934 and 1939. After the German Invasion of Poland on 1 September 1939 started the Second World War, Warsaw was defended until 27 September. Central Poland, including Warsaw, came under the rule of

4350-405: The city are the house of the Baryczko merchant family (1562), a building called "The Negro" (early 17th century), and Salwator tenement (1632), all situated on the Old Market Place . The most interesting examples of Mannerist architecture are the Royal Castle (1596–1619) and the Jesuit Church (1609–1626). Baroque architecture arrived in Warsaw at the turn of the 16th and 17th centuries with

4437-438: The city centre, including the Warsaw Philharmonic , the Church of the Holiest Saviour and tenements along Marszałkowska Street . During World War I , Warsaw was occupied by Germany from 4 August 1915 until November 1918. The Armistice of 11 November 1918 concluded that defeated Germany is to withdraw from all foreign areas, which included Warsaw. Germany did so, and underground leader Józef Piłsudski returned to Warsaw on

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4524-426: The city in a style similar to Dresden . The year 1727 marked the opening of the Saxon Garden in Warsaw, the first publicly accessible park. The Załuski Library , the first Polish public library and the largest at the time, was founded in 1747. Stanisław II Augustus , who remodelled the interior of the Royal Castle , also made Warsaw a centre of culture and the arts. He extended the Royal Baths Park and ordered

4611-425: The city is home to Legia Warsaw football club and hosts the annual Warsaw Marathon . Warsaw's name in the Polish language is Warszawa . Other previous spellings of the name may have included: Warszewa , Warszowa , Worszewa or Werszewa . The exact origin and meaning of the name is uncertain and has not been fully determined. Originally, Warszawa was the name of a small fishing settlement on

4698-532: The city name to Wars and Sawa . There are several versions of the legend with their appearance. According to one version, Sawa was a mermaid living in the Vistula with whom fisherman Wars fell in love. The official city name in full is miasto stołeczne Warszawa ("The Capital City of Warsaw"). A native or resident of Warsaw is known as a Varsovian – in Polish warszawiak , warszawianin (male), warszawianka (female), warszawiacy , and warszawianie (plural). The first fortified settlements on

4785-416: The city the Jewish culture and history resonates down through time. Among them the most notable are the Jewish theater , the Nożyk Synagogue , Janusz Korczak 's Orphanage and the picturesque Próżna Street. The tragic pages of Warsaw's history are commemorated in places such as the Monument to the Ghetto Heroes , the Umschlagplatz , fragments of the ghetto wall on Sienna Street and a mound in memory of

4872-443: The city was destroyed, including the historic Old Town and the Royal Castle. On 17 January 1945 – after the beginning of the Vistula–Oder Offensive of the Red Army  – Soviet troops and Polish troops of the First Polish Army entered the ruins of Warsaw, and liberated Warsaw's suburbs from German occupation. The city was swiftly freed by the Soviet Army, which rapidly advanced towards Łódź , as German forces regrouped at

4959-403: The city, and the Saxon Palace underwent a complete reconstruction, where the central body of the building was demolished and replaced by a monumental 11-bay colonnade . In the mid-19th century, the industrial revolution reached Warsaw, leading to the mass use of iron as a building material. In 1845, the Warsaw-Vienna Railway Station was opened. Another important aspect of the developing city

5046-502: The classes in the two precincts led to a minor revolt in 1525. Following the sudden death of Janusz III and the extinction of the local ducal line, Masovia was incorporated into the Kingdom of Poland in 1526. Bona Sforza , wife of Sigismund I of Poland , was widely accused of poisoning the duke to uphold Polish rule over Warsaw. In 1529, Warsaw for the first time became the seat of a General Sejm and held that privilege permanently from 1569. The city's rising importance encouraged

5133-441: The construction of Plac Defilad (Parade Square), one of the largest of its kind in Europe. Much of the central district was also designated for future skyscrapers. The 237-metre Palace of Culture and Science resembling New York's Empire State Building was built as a gift from the Soviet Union. Warsaw's urban landscape is one of modern and contemporary architecture. Despite wartime destruction and post-war remodelling, many of

5220-435: The construction of a new set of defenses, including the landmark Barbican . Renowned Italian architects were brought to Warsaw to reshape the Royal Castle , the streets and the marketplace, resulting in the Old Town's early Italianate appearance. In 1573, the city gave its name to the Warsaw Confederation which formally established religious freedom in the Polish–Lithuanian Commonwealth . Due to its central location between

5307-471: The construction or refurbishment of numerous palaces, mansions and richly-decorated tenements. This earned Warsaw the nickname Paris of the North . Warsaw remained the capital of the Polish–Lithuanian Commonwealth until 1795 when it was annexed by the Kingdom of Prussia in the third and final partition of Poland ; it subsequently became the capital of the province of South Prussia . During this time, Louis XVIII of France spent his exile in Warsaw under

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5394-515: The country by a society of distinguished scholars and a network of research institutes. It was established in 1951, during the early period of the Polish People's Republic following World War II . The Polish Academy of Sciences is a Polish state-sponsored institution of higher learning , headquartered in Warsaw , that was established by the merger of earlier science societies, including the Polish Academy of Learning ( Polska Akademia Umiejętności , abbreviated PAU ), with its seat in Kraków , and

5481-444: The expansion and modernisation of trams, street lighting, and gas infrastructure. Between 1850 and 1882, the population grew by 134% to 383,000 as a result of rapid urbanisation and industrialisation. Many migrated from surrounding rural Masovian towns and villages to the city for employment opportunities. The western borough of Wola was transformed from an agricultural periphery occupied mostly by small farms and windmills (mills being

5568-490: The face" of Poland. These words were meaningful for Varsovians and Poles who understood them as the incentive for liberal-democratic reforms. In 1995, the Warsaw Metro opened with a single line. A second line was opened in March 2015. On 28 September 2022, three new Warsaw metro stations were opened, increasing the number of Warsaw Metro stations to 36 and its length to 38.3 kilometers. In February 2023, Warsaw's mayor, Rafał Trzaskowski , announced plans to more than double

5655-408: The historic streets, buildings, and churches were restored to their original form. John Paul II 's visits to his native country in 1979 and 1983 brought support to the budding "Solidarity" movement and encouraged the growing anti-communist fervor there. In 1979, less than a year after becoming pope, John Paul celebrated Mass in Victory Square in Warsaw and ended his sermon with a call to "renew

5742-524: The institute with the rest of the city. This new building was inaugurated on May 24, 1978. Next year, CAMK was licensed to award PhD degrees. Since then, CAMK maintains its own hotel for visitors and manages funds to support PhD students and provide research fellowships for more senior scientists. In 1981, the martial law was declared in Poland in order to suppress the Solidarity movement . In this period, many CAMK employees chose permanent emigration. With their presence abroad, they were providing journals for

5829-731: The isotherm used; although the city used to be humid continental regardless of isotherm prior to the recent effect of climate change and the city's urban heat island . Meanwhile, by the genetic climate classification of Wincenty Okołowicz , it has a temperate "fusion" climate, with both oceanic and continental features. The city has cold, sometimes snowy, cloudy winters, and warm, relatively sunny but frequently stormy summers. Spring and autumn can be unpredictable, highly prone to sudden weather changes; however, temperatures are usually mild, especially around May and September. The daily average temperature ranges between −1.5 °C (29 °F) in January and 19.7 °C (67.5 °F) in July and

5916-503: The library, spare parts for the ageing computer system, and money for postdocs and short-term visitors. In fact, during the marital-law, the right to travel abroad was restricted, making research and collaborations difficult. Some CAMK scientists were even jailed for their pro- Solidarity activities. Bans and restrictions were ultimately lifted in 1989, with the end of the so-called Polish People's Republic : Polish astronomy and CAMK started to grow and gain more international relevance. With

6003-448: The mean year temperature is 9.0 °C (48.2 °F). Temperatures may reach 30 °C (86 °F) in the summer, although the effects of hot weather are usually offset by relatively low dew points and large diurnal temperature differences. Warsaw is Europe's sixth driest major city (driest in Central Europe ), with yearly rainfall averaging 550 mm (22 in), the wettest month being July. Warsaw's long and eclectic history left

6090-403: The most notable examples are the Great Theater , buildings located at Bank Square , headquarters of the Warsaw Society of Friends of Sciences ( Staszic Palace ), St. Alexander's Church , the Belweder . Many classicist tenement houses were built on Senatorska Street and along Nowy Świat Street . After the outbreak of the November Uprising , the Warsaw Citadel was constructed in the north of

6177-432: The namesake of Wola's central neighbourhood Młynów ) to an industrial and manufacturing centre. Metallurgical , textile and glassware factories were commonplace, with chimneys dominating the westernmost skyline. Like London , Warsaw's population was subjected to income segmentation. Gentrification of inner suburbs forced poorer residents to move across the river into Praga or Powiśle and Solec districts, similar to

6264-480: The northern city wall into a newly formed self-governing precinct called New Town . The existing older settlement became eventually known as the Old Town . Both possessed their own town charter and independent councils. The aim of establishing a separate district was to accommodate new incomers or "undesirables" who were not permitted to settle in Old Town, particularly Jews . Social and financial disparities between

6351-586: The outskirts of the inner borough, in Ochota , Mokotów and Żoliborz or along the Vistula in Powiśle . A seat of Polish monarchs since the end of the 16th century, Warsaw remained a small city with only privately owned palaces, mansions, villas and several streets of townhouses. These displayed a richness of color and architectonic details. The finest German, Italian and Dutch architects were employed, among them Tylman van Gameren , Andreas Schlüter , Jakub Fontana , and Enrico Marconi . The buildings situated in

6438-489: The plain moraine plateau and the Vistula Valley with its asymmetrical pattern of different terraces. The Vistula River is the specific axis of Warsaw, which divides the city into two parts, left and right. The left one is situated both on the moraine plateau (10 to 25 m (33 to 82 ft) above Vistula level) and on the Vistula terraces (max. 6.5 m (21 ft) above Vistula level). The significant element of

6525-667: The property of aristocrats and the gentry, which they ruled by their own laws. Between 1655 and 1658 the city was besieged and pillaged by the Swedish, Brandenburgian and Transylvanian forces. The conduct of the Great Northern War (1700–1721) also forced Warsaw to pay heavy tributes to the invading armies. The reign of Augustus II and Augustus III was a time of great development for Warsaw, which turned into an early-capitalist city. The Saxon monarchs employed many German architects, sculptors and engineers, who rebuilt

6612-482: The pseudonym Comte de Lille . Warsaw was made the capital of a newly created French client state , known as the Duchy of Warsaw , after a portion of Poland's territory was liberated from Prussia, Russia and Austria by Napoleon in 1806. Following Napoleon's defeat and exile, the 1815 Congress of Vienna assigned Warsaw to Congress Poland , a constitutional monarchy within the easternmost sector (or partition) under

6699-659: The region, with the Warsaw Stock Exchange being the largest in Central and Eastern Europe . It is the base for Frontex , the European Union agency for external border security, and ODIHR , one of the principal institutions of the Organization for Security and Co-operation in Europe . Warsaw has one of Europe's highest concentrations of skyscrapers , and the Varso Place is the tallest building in

6786-429: The relief, in this part of Warsaw, is the edge of moraine plateau called Warsaw Escarpment. It is 20 to 25 m (66 to 82 ft) high in the Old Town and Central district and about 10 m (33 ft) in the north and south of Warsaw. It goes through the city and plays an important role as a landmark. The plain moraine plateau has only a few natural and artificial ponds and also groups of clay pits . The pattern of

6873-671: The same day which marked the beginning of the Second Polish Republic , the first truly sovereign Polish state after 1795. In the course of the Polish–Soviet War (1919–1921), the 1920 Battle of Warsaw was fought on the eastern outskirts of the city. Poland successfully defended the capital, stopped the brunt of the Bolshevik Red Army and temporarily halted the " export of the communist revolution " to other parts of Europe. The interwar period (1918–1939)

6960-412: The seat of Napoleon 's Duchy of Warsaw . The 19th century and its Industrial Revolution brought a demographic boom, which made it one of the largest and most densely populated cities in Europe. Known then for its elegant architecture and boulevards, Warsaw was bombed and besieged at the start of World War II in 1939. Much of the historic city was destroyed and its diverse population decimated by

7047-466: The site of today's Warsaw were located in Bródno (9th/10th century) and Jazdów (12th/13th century). After Jazdów was raided by nearby clans and dukes, a new fortified settlement was established on the site of a small fishing village called "Warszowa". The Prince of Płock , Bolesław II of Masovia, established the modern-day city in about 1300 and the first historical document attesting to the existence of

7134-415: The size of the city's metro system by 2050. With the entry of Poland into the European Union in 2004, Warsaw is experiencing the large economic boom. The opening fixture of UEFA Euro 2012 took place in Warsaw and the city also hosted the 2013 United Nations Climate Change Conference and the 2016 NATO Summit . As of August 2022, Warsaw had received around 180,000 refugees from Ukraine, because of

7221-533: The vicinity of the Warsaw Old Town represent nearly every European architectural style and historical period . Warsaw has excellent examples of architecture from the Gothic , Renaissance , Baroque and Neoclassical periods, all of which are located within walking distance of the centre. This architectural richness has led to Warsaw being described by some commentators as a " Paris of the East ". Gothic architecture

7308-616: Was Tylman van Gameren . His projects include the Krasiński Palace , Palace of the Four Winds , Ostrogski Palace , Czapski Palace , Brühl Palace , and St. Kazimierz Church . The most significant Baroque building of this period is the Wilanów Palace , built on the order of King John III Sobieski . The late Baroque era was the epoch of the Saxon Kings (1697–1763). During this time, three major spatial projects were realized:

7395-489: Was a time of major development in the city's infrastructure. New modernist housing estates were built in Mokotów to de-clutter the densely populated inner suburbs. In 1921, Warsaw's total area was estimated at only 124.7 km with 1 million inhabitants–over 8,000 people/km made Warsaw more densely populated than contemporary London. The Średnicowy Bridge was constructed for railway (1921–1931), connecting both parts of

7482-407: Was ensuring access to water and sewage disposal. The first modern Warsaw water supply system was launched in 1855, designed by one of the most outstanding architects of that period – Enrico Marconi , who designed also All Saints Church . The dynamic development of the railway became a factor that enabled equally dynamic development of Warsaw's industry. Among the establishments built at that time were

7569-654: Was fired upon by Russian troops. Five people were killed. The Underground Polish National Government resided in Warsaw during the January Uprising in 1863–64. Warsaw flourished throughout the 19th century under Mayor Sokrates Starynkiewicz (1875–92), who was appointed by Alexander III . Under Starynkiewicz Warsaw saw its first water and sewer systems designed and built by the English engineer William Lindley and his son, William Heerlein Lindley , as well as

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