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Chojnice

Coordinates: 53°42′N 17°33′E / 53.700°N 17.550°E / 53.700; 17.550
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Chojnice
Historical town hall located at the Rynek (Market Square)
Historical town hall located at the Rynek (Market Square)
Flag of Chojnice
Flag
Coat of arms of Chojnice
Coat of arms
Chojnice is located in Poland
Chojnice
Chojnice
Coordinates: 53°42′N 17°33′E / 53.700°N 17.550°E / 53.700; 17.550
Country Poland
Voivodeship Pomeranian
CountyChojnice
GminaChojnice (urban gmina)
Established11th century
Town rights1325
Government
 • MayorArseniusz Finster
Area
 • Total
21.37 km2 (8.25 sq mi)
Population
 (30 June 2023[1])
 • Total
38,789
 • Density1,800/km2 (4,700/sq mi)
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)
Postal code
89-600, 89-604, 89-620
Area code+48 52
Car platesGCH
National roads
Voivodeship roads
Websitehttp://www.miasto.chojnice.pl

Chojnice (Polish: [xɔjˈɲit͡sɛ] ⓘ; Kashubian: Chònice or Chòjnice; German: Konitz or Conitz) is a town in northern Poland with a population of 38,789 (as of June 2023),[1] near the Tuchola Forest.[2] It is the capital of Chojnice County in the Pomeranian Voivodeship.

Founded in c. 1205, Chojnice is a former royal city of Poland and was an important center of cloth production. It is home to one of the oldest high schools in Poland, and played a significant role in Polish youth resistance against the Germanisation policies of Prussia following the Partitions of Poland. The town was also the site of several significant battles, and during World War II, German occupiers massacred approximately 2,000 Poles on its outskirts.

Chojnice is a railroad junction with connections to Brodnica, Kościerzyna, Piła, Szczecinek, and Tczew. It contains several Gothic and Baroque heritage sights, and is the largest town near the Tuchola Forest, a large forest complex in north-central Poland.

History

[edit]

Piast Poland (c. 1205–1309)

[edit]

Chojnice was founded c. 1205[3] in the duchy of Gdańsk Pomerania (Pomeralia). At the time, the duchy was ruled by the Samborides, originally appointed governors by Bolesław III Wrymouth of Poland. Gdańsk Pomerania had been part of Poland since the 10th century. It experiended few episodes of autonomy, such as 1227–1282 under Swietopelk II.[4]

The town's name first appears in documents in 1275.[5] It is of Polish origin, derived from the nearby river Chojnica (now called Jarcewska Struga).[6]

State of the Teutonic Order (1309–1466)

[edit]
14th century Człuchów Gate, a landmark of Chojnice, houses the local historical museum

In 1309, the Teutonic Knights took over Chojnice, incorporating it into the State of the Teutonic Order.[7] Under Grand Master Winrich von Kniprode, the defensive capabilities and inner structures of the town were significantly improved. Between c. 1340 and 1360, the Basilica of St. John's Beheading was built. In 1365, Augustinians from Stargard in Pomerania established a monastery in the town. Textile production flourished, and Chojnice became a notable textile centre between 1417 and 1436.

During the Polish–Lithuanian–Teutonic War, in 1410, the town was briefly occupied by Polish forces. In 1440, Chojnice temporarily joined the Prussian Confederation, which opposed Teutonic rule.[8] In 1454, King Casimir IV Jagiellon re-incorporated the territory into the Kingdom of Poland, and townspeople overthrew the pro-Teutonic town council. Shortly afterwards, the council, aided by the Teutonic Knights, recaptured the town.[9] On 18 September 1454, the Polish army led by King Casimir IV Jagiellon lost the Battle of Chojnice.

During the subsequent Thirteen Years' War, townspeople tried to resist Teutonic control.[9] In 1466, after a three-month siege, the Teutonic troops under Captain Caspar von Bethe surrendered Chojnice,[10] the last Teutonic town in Gdańsk Pomerania,[11] to the Polish troops under Piotr Dunin.

Kingdom of Poland (1466–1772)

[edit]
Liceum Ogólnokształcące im. Filomatów Chojnickich, one of the oldest high schools in Poland

After the Second Peace of Thorn in 1466, the Teutonic Knights renounced any claims to Chojnice, and the town became again part of Poland.[12][11][10] At this time, the Barons of Betha, who had traditionally ruled the city, left and took up residence in the Prussian and Austrian courts. The town was then located within the Człuchów County in the Pomeranian Voivodeship.

Chojnice continued to be an important center of cloth production in Poland.[13] Cloth production was the main branch of the local economy, and in 1570, clothiers constituted 36% of all craftsmen in the town.[13] To this day, one of the main streets in the town centre is called Ulica Sukienników ("Clothiers' Street").[13]

In the 16th century, the city council officially accepted the Protestant Reformation, leading to Protestants taking over the parish church of St. John. The Roman Catholic priest Jan Siński died amid the ensuing turmoil. In 1555, King Sigismund II Augustus confirmed religious freedom for the city.[10] In 1616, St. John's church was restored to the Catholics thanks to local parish priest Jan Doręgowski.[10] In 1620, the first Jesuits arrived and began the Counter Reformation. In 1622, they founded a school that, today known as Liceum Ogólnokształcące im. Filomatów Chojnickich w Chojnicach ("High School of the Philomaths in Chojnice"), remains one of the oldest high schools in Poland.

In 1627, a fire destroyed parts of the town. During the Second Northern War against Sweden, the Battle of Chojnice (1656) was fought. The town suffered heavily from siege, plundering and fire, especially in 1657. Although cloth production declined due to the Swedish invasion, it soon revived.[14] Between 1733 and 1744, the Baroque Jesuit Church of the Annunciation of the Blessed Virgin Mary was built.[15] A large fire devastated the town again in 1742.[16]

Prussia (1772–1871) and German Empire (1871–1920)

[edit]

After the first partition of Poland in 1772, the town became part of the Kingdom of Prussia. The Prussian authorities abolished the local government, which was only restored in 1809.[10]

Infrastructure and Social Developments

[edit]

Following Chojnice's integration into Prussia, the cloth industry collapsed due to the newly introduced borders.[14] Infrastructure developed significantly in the second half of the 19th century. A telegraph connection to Szczecin (then Stettin) began operating in 1864, and the railway reached the town in 1868, boosting industrial growth. A gas power plant was installed in 1870, followed by rail links to Tczew (Dirschau) in 1873 and to Szczecin in 1877. A new hospital was completed in 1886, and a new railway connection to Nakło (Nakel) opened in 1894. In 1900, the town gained both a water supply system and an electricity plant, and in 1902, a railway link to Kościerzyna (Berent) was added. A sewage system was completed in 1909.

During the Konitz Affair 1900–1902, Germans and Poles[17] committed an antisemitic pogrom. In 1912, Gazeta Chojnicka, the first Polish-language newspaper, was published in the town.[18]

Germanisation and Polish Resistance

[edit]

The town was subject to anti-Polish policies and experienced the heaviest Germanisation in Gdańsk Pomerania.[19][20] At the local gymnasium, Polish was taught only two hours a week during 1815–1820 and 1846–1912. In 1889, the history of Polish literature was removed from the curriculum and Polish history was omitted entirely.[21]

Likely around 1830, a secret organization of Polish students formed at the local school.[22] Some Polish students participated in the Polish uprisings of 1830 and 1863 in the Russian Partition of Poland.[22] The organization probably ceased to exist in the 1860s; in 1870, a new youth philomath organization Mickiewicz was founded, named after the Polish national poet Adam Mickiewicz.[23] In 1901, due to the threat of repressions by the German authorities, it was dissolved but reactivated a few months later.[23]

Among local philomaths were:[24]

One of the main escape routes for insurgents of the unsuccessful Polish November Uprising from partitioned Poland to the Great Emigration led through the town.[25] In 1911, the first Polish secret scout troop in the Prussian Partition of Poland was established in the town by Szczepan Łukowicz [pl]. He later fought as a military officer in defense of Poland during the Polish–Soviet War (1920) and the German Siege of Warsaw (1939). Łukowicz was murdered by Nazi Germany during World War II.[26]

Poland (1920–1939)

[edit]
Chojnice in 1938

After the Treaty of Versailles came into effect in 1920, Chojnice – along with 62% of the former province of West Prussia – was re-integrated into the Second Polish Republic, which had regained independence in 1918. Polish troops entered the town, and local citizen Barbara Stammowa symbolically broke shackles on the balcony of the town hall. In revenge, she was murdered by the Nazis in 1939 when the town was re-occupied by Germany.[27] In the interwar period, Chojnice hosted two official visits by Polish presidents: Stanisław Wojciechowski in 1924 and Ignacy Mościcki in 1927.[28] In 1932, a regional museum was opened in Chojnice.

World War II and Nazi German occupation (1939–1945)

[edit]
Monument commemorating Polish teachers murdered by German occupiers

On 1 September 1939 at 04:45, Wehrmacht troops occupied Chojnice during the Nazi German invasion of Poland, marking the beginning of the Battle of Chojnice.

From the start of the German occupation, German militiamen attacked their Jewish and Polish neighbors. On 26 September 1939, forty people were shot, followed by the murder of a priest and 208 psychiatric patients.[29] Between late October 1939 and early 1940, mass executions were conducted by the SS and German police as part of the Intelligenzaktion, a campaign targeting the Polish intelligentsia.[30] By January 1940, approximately 900 Poles and Jews from Chojnice and surrounding villages had been killed,[29] including parliamentarians, teachers, merchants, postal workers, border guards, priests, and farmers.[27] These massacres took place in the Igły Valley near Chojnice, later also known as the Valley of Death.[31]

Hans Kruger, a Nazi activist, served as a judge in Chojnice during this period, overseeing executions of the local population.[32] On 18 January 1945, the Nazis carried out a large massacre in the Igły Valley, killing around 800 Poles.[27]

During the occupation, the Church of the Annunciation of Mary was seized by Protestants and its interior was devastated.[15]

Polish underground resistance organisations active in the area included the Pomeranian Griffin, Kashubian Griffin, and Home Army. In 1943, local Poles successfully rescued some kidnapped Polish children from the Zamość region by ransoming them from the German occupiers at the local train station.[33]

Chojnice since 1945

[edit]

In February 1945, the Red Army captured the town. About 800 soldiers died during the fighting, and the town center was heavily damaged. After the war, Polish authorities began rebuilding the town and oversaw the expulsion of the remaining German population under Allied agreements.

From 1945 to 1975, Chojnice was part of the Pomeranian Voivodeship, and between 1975–1998, the town belonged to the Bydgoszcz Voivodeship.

In 2002 a new, modern hospital was opened on the northwestern outskirts of the town.[34]

Demographics

[edit]

The population of Chojnice has generally increased since the 18th century. However, both World War I and World War II caused significant population declines. Following the implementation of the Treaty of Versailles in 1920, many Germans left the town as the area was transferred to Poland. The impact of World War II is reflected in the 1948 census, which showed a reduction of approximately 1,900 residents compared to 1933. After World War II, the remaining German inhabitants either fled or were expelled from the city in accordance with the Potsdam Agreement.

Detailed data as of 31 December 2021:[1]

Description All Women Men
Unit person percentage person percentage person percentage
Population 39423 100 20414 51.8% 19009 48.2%
Population density 1872.8 969.8 903.0

Number of inhabitants by year

[edit]
Historical population
YearPop.±%
17831,350—    
18312,810+108.1%
18373,334+18.6%
18758,064+141.9%
18809,096+12.8%
189010,147+11.6%
190010,697+5.4%
190511,014+3.0%
YearPop.±%
192110,500−4.7%
193314,300+36.2%
194318,881+32.0%
194812,400−34.3%
196019,600+58.1%
196924,000+22.4%
198032,000+33.3%
199037,700+17.8%
YearPop.±%
199539,872+5.8%
200039,485−1.0%
200539,752+0.7%
201040,478+1.8%
201540,043−1.1%
202039,647−1.0%
Source: [35][36][37][38][39][40][41][1]

Attractions

[edit]
Various sights of Chojnice
Basilica of St. John's Beheading
Old Town
Church of the Annunciation of Mary
Fountain at the market square

The Museum of History and Ethnography in Chojnice opened in 1932. It was damaged during World War II and reopened in 1960.[20] It is located in the medieval town walls and Człuchów Gate.

The town also has a number of medieval and early modern buildings, including several churches. The most prominent churches are the Gothic Basilica of St. John's Beheading [pl] and the Baroque Church of the Annunciation of the Blessed Virgin Mary [pl].

Geography

[edit]

Climate

[edit]

Climate in this area has mild differences between highs and lows, and there is adequate rainfall year-round. The Köppen Climate Classification subtype for this climate is "Cfb". (Marine West Coast Climate/Oceanic climate).[42]

Climate data for Chojnice (1991–2020 normals, extremes 1951–present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 12.0
(53.6) 		15.5
(59.9) 		21.1
(70.0) 		28.9
(84.0) 		30.5
(86.9) 		35.0
(95.0) 		36.1
(97.0) 		36.3
(97.3) 		32.5
(90.5) 		25.9
(78.6) 		16.4
(61.5) 		12.4
(54.3) 		36.3
(97.3)
Mean daily maximum °C (°F) 0.7
(33.3) 		2.1
(35.8) 		6.3
(43.3) 		13.3
(55.9) 		18.1
(64.6) 		21.1
(70.0) 		23.4
(74.1) 		23.2
(73.8) 		18.0
(64.4) 		11.8
(53.2) 		5.6
(42.1) 		1.9
(35.4) 		12.1
(53.8)
Daily mean °C (°F) −1.5
(29.3) 		−0.6
(30.9) 		2.4
(36.3) 		7.9
(46.2) 		12.6
(54.7) 		15.8
(60.4) 		18.0
(64.4) 		17.7
(63.9) 		13.2
(55.8) 		8.1
(46.6) 		3.4
(38.1) 		0.0
(32.0) 		8.1
(46.6)
Mean daily minimum °C (°F) −3.8
(25.2) 		−3.2
(26.2) 		−1.0
(30.2) 		2.8
(37.0) 		7.2
(45.0) 		10.6
(51.1) 		12.8
(55.0) 		12.7
(54.9) 		9.1
(48.4) 		4.9
(40.8) 		1.2
(34.2) 		−2.1
(28.2) 		4.3
(39.7)
Record low °C (°F) −26.9
(−16.4) 		−30.0
(−22.0) 		−21.2
(−6.2) 		−7.6
(18.3) 		−3.8
(25.2) 		0.1
(32.2) 		3.7
(38.7) 		4.0
(39.2) 		−0.8
(30.6) 		−8.6
(16.5) 		−16.4
(2.5) 		−21.9
(−7.4) 		−30.0
(−22.0)
Average precipitation mm (inches) 44.5
(1.75) 		31.1
(1.22) 		40.5
(1.59) 		29.8
(1.17) 		58.1
(2.29) 		65.5
(2.58) 		80.7
(3.18) 		72.2
(2.84) 		55.5
(2.19) 		45.7
(1.80) 		43.0
(1.69) 		45.7
(1.80) 		612.4
(24.11)
Average extreme snow depth cm (inches) 6.4
(2.5) 		5.7
(2.2) 		3.9
(1.5) 		1.0
(0.4) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		2.5
(1.0) 		4.1
(1.6) 		6.4
(2.5)
Average precipitation days (≥ 0.1 mm) 17.47 15.50 13.60 11.40 13.37 13.47 14.47 13.80 13.10 15.43 16.60 18.20 176.40
Average snowy days (≥ 0 cm) 15.8 14.4 7.4 0.6 0.0 0.0 0.0 0.0 0.0 0.1 2.9 9.6 50.8
Average relative humidity (%) 90.5 86.9 80.3 70.9 71.2 73.1 74.3 75.1 81.0 86.5 92.1 92.5 81.2
Mean monthly sunshine hours 41.2 68.6 133.1 207.2 260.6 261.8 260.8 245.9 171.1 114.3 45.9 31.6 1,842.2
Source 1: Institute of Meteorology and Water Management[43][44][45][46][47][48][49][50]
Source 2: Meteomodel.pl (records, relative humidity 1991–2020)[51][52][53]

Sport

[edit]

Chojniczanka Chojnice football club is based in the town.

Notable people

[edit]
Michał Kazimierz Radziwiłł
Misheel Jargalsaikhan, 2016

Twin towns

[edit]
See also: List of twin towns and sister cities in Poland

Chojnice is twinned with:

See also

[edit]

References

[edit]
  1. ^ a b c d "Local Data Bank". Statistics Poland. Retrieved 2022-06-03. Data for territorial unit 2202011.
  2. ^ "Główny Urząd Statystyczny" [Central Statistical Office] (in Polish). To search: Select "Miejscowości (SIMC)" tab, select "fragment (min. 3 znaki)" (minimum 3 characters), enter town name in the field below, click "WYSZUKAJ" (Search).
  3. ^ Stanisław Gierszewski, Chojnice: dzieje miasta i powiatu, Zakład Narodowy im Ossolińskich, 1971, p. 54
  4. ^ James Minahan, One Europe, Many Nations: A Historical Dictionary of European National Groups, Greenwood Publishing Group, 2000, p. 375, ISBN 0-313-30984-1.
  5. ^ Chojnice - Urząd Miejski - Historia
  6. ^ Nazwy miast Pomorza Gdańskiego - page 46 Hubert Górnowicz, Zygmunt Brocki, Edward Breza - 1999 Tak więc Chojnica (późniejsze Chojnice) jest polską nazwą topograficzną, ponowioną od nazwy rzeki Chojnica
  7. ^ "Kiedy nie pomogły machiny miotające, Krzyżacy postawili szubienice". Retrieved 1 June 2020.
  8. ^ Górski, Karol (1949). Związek Pruski i poddanie się Prus Polsce: zbiór tekstów źródłowych (in Polish). Poznań: Instytut Zachodni. p. XXXVII.
  9. ^ a b Biskup, Marian (2014). "Oblężenie i odzyskanie Chojnic przez Polskę w r. 1466". Zeszyty Chojnickie (in Polish). No. 29. Chojnice: Chojnickie Towarzystwo Przyjaciół Nauk. p. 15.
  10. ^ a b c d e "Z dziejów miasta". Retrieved 1 June 2020.
  11. ^ a b Biskup, p. 19
  12. ^ Górski, p. 89-90, 207
  13. ^ a b c Look, Witold (2014). "Sukiennictwo chojnickie". Zeszyty Chojnickie (in Polish). No. 29. Chojnice: Chojnickie Towarzystwo Przyjaciół Nauk. p. 20.
  14. ^ a b Look, p. 21
  15. ^ a b "Kościół pojezuicki p.w. Zwiastowania Najświętszej Marii Panny". Urząd Miejski w Chojnicach (in Polish, English, and German). 18 May 2014. Retrieved 28 June 2020.
  16. ^ "Z PAMIĘTNIKA BURMISTRZA". Retrieved 1 June 2020.
  17. ^ Smith, Helmut Walser (2002). The Butcher's Tale: Murder and Amti-Semitism in a German Town. W. W. Norton. pp. 164 ff. ISBN 9780393050981. In the gathering heat of the moment, the community that emerged included Germans and Poles, Protestants and Catholics, peasants and workers, subalterns and shopkeepers, artisans and their apprentices, women as well as men, young and old.
  18. ^ "ROLA I ZNACZENIE PRASY LOKALNEJ". Retrieved 1 June 2020.
  19. ^ Mynarczyk, Paweł Piotr (2010). "Sytuacja polityczna i społeczna w Chojnicach od roku 1920 do przewrotu majowego". Zeszyty Chojnickie (in Polish). No. 25. Chojnice: Chojnickie Towarzystwo Przyjaciół Nauk.
  20. ^ a b "Strona główna - Muzeum Historyczno-Etnograficzne w Chojnicach". chojnicemuzeum.pl. Retrieved 2019-02-27.
  21. ^ Szews, Jerzy (2014). "Filomaci chojniccy". Zeszyty Chojnickie (in Polish). No. 29. Chojnice: Chojnickie Towarzystwo Przyjaciół Nauk. p. 41.
  22. ^ a b Szews, p. 42
  23. ^ a b Szews, p. 43
  24. ^ Szews, p. 45-47
  25. ^ Umiński, Janusz (1998). "Losy internowanych na Pomorzu żołnierzy powstania listopadowego". Jantarowe Szlaki (in Polish). Vol. 4, no. 250. p. 16.
  26. ^ Szews, p. 44. 46
  27. ^ a b c Hamerska, Małgorzata (2012). "Miejsca pamięci narodowej w powiecie chojnickim". Zeszyty Chojnickie (in Polish). No. 27. Chojnice: Chojnickie Towarzystwo Przyjaciół Nauk. p. 59.
  28. ^ "Panie i Panowie - Prezydent RP". Historia Chojnic (in Polish). Retrieved 28 June 2020.
  29. ^ a b The German War: A Nation Under Arms, 1939–45, Nicholas Stargardt
  30. ^ Witnesses of War: Children's Lives Under the Nazis, Nicholas Stargardt
  31. ^ Hamerska, p. 58
  32. ^ Funktionäre Mit Vergangenheit: Das Gründungspräsidium Des Bundesverbandes Der Vertriebenen Und Das "dritte Reich" 2013 Michael Schwartz page 437 Walter de Gruyter 2013
  33. ^ Kozaczyńska, Beata (2020). "Gdy zabrakło łez... Tragizm losu polskich dzieci wysiedlonych z Zamojszczyzny (1942-1943)". In Kostkiewicz, Janina (ed.). Zbrodnia bez kary... Eksterminacja i cierpienie polskich dzieci pod okupacją niemiecką (1939–1945) (in Polish). Kraków: Uniwersytet Jagielloński, Biblioteka Jagiellońska. p. 123.
  34. ^ "Chojnicki Szpital ma już 10 lat!". Retrieved 1 June 2020.
  35. ^ August Eduard Preuß: Preußische Lands- und Volkskunde. Königsberg 1835, p. 384, no. 17).
  36. ^ Johann Gottfried Hofmann: Die Bevölkerung des Preußischen Staats 1837. Berlin 1839, p. 104.
  37. ^ Michale Rademacher: Deutsche Verwaltungsgeschichte - Landkreis Könitz (2006).
  38. ^ Neighborhood Dilemmas: The Poles, the Germans and the Jews in Pomerania Along the Vistula River in the 19th and 20th Century : a Collection of Studies Jan Sziling, Mieczysław Wojciechowski Wydawn. Uniw. Mikołaja Kopernika, 2002 page 12
  39. ^ Meyers Großes Konversationsa-Lexikon, 6. Auflage, 11. Band, Leipzig und Wien 1908, p. 395.
  40. ^ Der Große Brockhaus, 15. Auflage, 10. Band. Leipzig 1931, p. 389.
  41. ^ Meyers Enzyklopädisches Lexikon, 9. Auflage, Band 5, Mannheim Wien Zürich 1978, p. 646.
  42. ^ Climate Summary for Chojnice, Poland
  43. ^ "Średnia dobowa temperatura powietrza". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 3 December 2021. Retrieved 14 February 2022.
  44. ^ "Średnia minimalna temperatura powietrza". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 14 February 2022.
  45. ^ "Średnia maksymalna temperatura powietrza". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 14 February 2022.
  46. ^ "Miesięczna suma opadu". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 9 January 2022. Retrieved 14 February 2022.
  47. ^ "Liczba dni z opadem >= 0,1 mm". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 14 February 2022.
  48. ^ "Średnia grubość pokrywy śnieżnej". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 14 February 2022.
  49. ^ "Liczba dni z pokrywą śnieżna > 0 cm". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 21 January 2022. Retrieved 14 February 2022.
  50. ^ "Średnia suma usłonecznienia (h)". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 14 February 2022.
  51. ^ "Chojnice Absolutna temperatura maksymalna" (in Polish). Meteomodel.pl. 6 April 2018. Retrieved 14 February 2022.
  52. ^ "Chojnice Absolutna temperatura minimalna" (in Polish). Meteomodel.pl. 6 April 2018. Retrieved 14 February 2022.
  53. ^ "Chojnice Średnia wilgotność" (in Polish). Meteomodel.pl. 6 April 2018. Retrieved 14 February 2022.
  54. ^ "National Commission for Decentralised cooperation". Délégation pour l’Action Extérieure des Collectivités Territoriales (Ministère des Affaires étrangères) (in French). Archived from the original on 2013-11-27. Retrieved 2013-12-26.
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