Olsztyn ([ˈɔlʂtɨn] (listen); German: Allenstein (listen); Old Polish: Holstin; Old Prussian: Alnāsteini or Alnestabs; Lithuanian: Olštynas) is a city on the Łyna River in northeastern Poland. Olsztyn is the capital of the Warmian-Masurian Voivodeship, and is a city with county rights. The population of the city was estimated at 172,362 residents in 2018.
Olsztyn – Miasto Młode Duchem…
(Olsztyn – a city young in spirit…)
|• Mayor||Piotr Grzymowicz|
|• City||88.328 km2 (34.104 sq mi)|
|Highest elevation||154 m (505 ft)|
|Lowest elevation||88 m (289 ft)|
(31 December 2018)
|• City||172,362 (21st)|
|• Density||1,965,3/km2 (50,900/sq mi)|
|Time zone||UTC+1 (CET)|
|• Summer (DST)||UTC+2 (CEST)|
10-001 to 11–041
|Area code(s)||+48 89|
Founded as Allenstein in the 14th century, Olsztyn was under the control and influence of the Teutonic Order until 1454, when it was incorporated into the Polish Crown. For centuries the city was an important centre of trade, crafts, science and administration in the Warmia region linking Warsaw with Königsberg. Following the First Partition of Poland in 1772 Warmia was annexed by Prussia and ceased to be the property of the clergy. In the 19th century the city changed its status completely, becoming the most prominent economic hub of the southern part of Eastern Prussia. The construction of a railway and early industrialization greatly contributed to Olsztyn's significance. Following World War II, the city returned to Poland in accordance with the Potsdam Agreement.
Since 1999 Olsztyn has been the capital city of the Warmia-Masuria. In the same year, the University of Warmia and Masuria was founded from the fusion of three other local universities. Today, the Castle of Warmian Bishops houses a museum and is a venue for concerts, art exhibitions, film shows and other cultural events, which make Olsztyn a popular tourist destination.
The most important sights of the city include the medieval Old Town and the Olsztyn Cathedral, which dates back more than 600 years. The picturesque market square is part of the European Route of Brick Gothic and the cathedral is regarded as one of the greatest monuments of Gothic architecture in Poland.
Olsztyn, for a number of years, has been ranked very highly in quality of life, income, employment and safety. It currently is one of the best places in Poland to live and work. It is also one of the happiest cities in the country.
Kingdom of Poland 1454–1455
Teutonic Order 1455–1463
Kingdom of Poland 1463–1569
Polish-Lithuanian Commonwealth 1569–1772
Kingdom of Prussia 1772–1871
German Empire 1871–1918
Weimar Germany 1918–1933
Nazi Germany 1933–1945
People's Republic of Poland 1945–1989
In 1346, the forest was cleared at a location on the Alle River (now Łyna River) for a new settlement in Prussian Warmia (former German Ermland). The following year, Teutonic Knights began the construction of an Ordensburg castle as a stronghold against the Old Prussians. The German name "Allenstein" refers to a stronghold on the Alle River – which became known in Polish transliteration as Olsztyn. Allenstein received municipal rights in October 1353, and the castle was completed in 1397. The town was captured by the Kingdom of Poland during the Polish-Lithuanian-Teutonic War in 1410, and again in 1414 during the Hunger War, but it was returned to the monastic state of the Teutonic Knights after hostilities ended.
Allenstein joined the Prussian Confederation in 1440 and rebelled against the Teutonic Knights in 1454 upon the outbreak of the Thirteen Years' War to join Poland under King Casimir IV Jagiellon. Although the Teutonic Knights recaptured the town the following year, it was retaken by Polish troops in 1463. The Second Peace of Thorn in 1466 designated Olsztyn and the Prince-Bishopric of Warmia as part of the province of Royal Prussia under the sovereignty of the Polish Crown.
From 1516 to 1521, Nicolaus Copernicus lived at the castle as administrator of both Olsztyn and Melzak (now Pieniężno). Copernicus was in charge of the Polish defense of Olsztyn during the Polish-Teutonic War of 1519–21.
The town became part of the Kingdom of Prussia in 1772 after the First Partition of Poland. Poles became subject to extensive Germanisation policies. A Prussian census recorded a population of 1,770 people, predominantly farmers, and Allenstein was administered within the newly created Province of East Prussia. It was visited by Napoleon Bonaparte in 1807 after his victories over the Prussian Army at Jena and Auerstedt. By 1825, the town was inhabited by 1341 Germans and 1266 Poles. The first German-language newspaper, the Allensteiner Zeitung, began publishing in 1841. The town hospital was founded in 1867.
In 1871, with the unification of Germany under Prussian hegemony, Allenstein became part of the German Empire. Two years later, the city was connected by railway to Toruń. Its first Polish language newspaper, the Gazeta Olsztyńska, was founded in 1886. Allenstein's infrastructure developed rapidly: gas was installed in 1890, telephones in 1892, public water supply in 1898, and electricity in 1907. In 1905, the city became the capital of Regierungsbezirk Allenstein, a government administrative region in East Prussia. From 1818 to 1910, the city was administered within the East Prussia Allenstein District, after which it became an independent city.
Shortly after the outbreak of World War I in 1914, Russian troops captured Allenstein, but it was recovered by the Imperial German Army in the Battle of Tannenberg. The battle took place closer to Allenstein than to Tannenberg (now Stębark), but the Germans, recalling their defeat in the 1410 Battle of Grunwald (German: Battle of Tannenberg), named it "Tannenberg II" for nationalistic reasons.
After the defeat of Germany in World War I, the East Prussian plebiscite was held in 1920 to determine whether the populace of the region, including Allenstein, wished to remain in German East Prussia or become part of Poland. In order to advertise the plebiscite, special postage stamps were produced by overprinting German stamps and sold on 3 April of that year. One kind of overprint read PLÉBISCITE / OLSZTYN / ALLENSTEIN, while the other read TRAITÉ / DE / VERSAILLES / ART. 94 et 95 inside an oval whose border gave the full name of the plebiscite commission. Each overprint was applied to 14 denominations ranging from 5 Pfennigs to 3 Marks. The plebiscite was held on 11 July, and produced 362,209 votes (97.8%) for Germany and 7,980 votes (2.2%) for Poland.
The football club SV Hindenburg Allenstein played in Allenstein from 1921 to 1945. After the January 1933 Nazi seizure of power in Germany, Jews in Allenstein were increasingly persecuted. Also anti-Polish sentiment became more visible. The Gazeta Olsztyńska was abolished by the German authorities, the newspaper's headquarters was demolished and the editor-in-chief Seweryn Pieniężny was arrested and executed in the Hohenbruch German concentration camp. In 1935, the German Wehrmacht made the city the seat of the Allenstein Militärische Bereich. It was then home of the 11th and 217th infantry divisions and 11th Artillery Regiment.
On 12 October 1939, after the German invasion of Poland that began World War II, the Wehrmacht established an Area Headquarters for a military district that controlled the environs of Allenstein, including Lötzen (now Giżycko), and Ciechanów in occupied Poland. Beginning in 1939, members of the Polish-speaking minority, especially members of the Union of Poles in Germany, were persecuted or deported back to Poland.
On 22 January 1945, near the end of the war, Allenstein was plundered and burned by the conquering Soviet Red Army, and much of its German population fled. On 2 August 1945, the city, even though having had a German-speaking majority, became part of Poland under border changes promulgated at the Potsdam Conference, and former "Allenstein" officially became Polish "Olsztyn". In October 1945, the remaining German population was forcibly expelled, to replace the former majority town's population with new Polish settlers 
In 1989 the former Gazeta Olsztyńska headquarters was rebuilt and re-opened as a museum.
The castle was built between 1346–1353 and by then it had one wing on the north-east side of the rectangular courtyard. Access to the castle lead from the drawbridge over the river Łyna (Alle), surrounded by a belt of defensive walls and a moat. The south-west wing of the castle was built in the 15th century, the tower situated in the west corner of the courtyard, from the middle of the 14th century, was rebuilt in the early 16th century and had a round shape on a square base and was 40 meters high. At the same time the castle walls were raised to a height of 12 meters and a second belt of the lower walls was built. The castle walls were partly combined with city walls, which made the castle look like it had been a powerful bastion defending access to the city. The castle was owned by Warmia Chapter, which until 1454, together with the Prince-Bishopric of Warmia, was under military protection of the Teutonic Knights and their Monastic State of Prussia.
The castle had played a huge role in the Polish-Teutonic wars by then. After the Battle of Grunwald in 1410, the Poles took it after a few days siege. In the Thirteen Years' War (1454–66) it was jumping from rule to rule. The Knights threatened the castle and the town in 1521, but the defence was very effective. They contained one failed assault. There is a connection between the history of the castle, the city of Olsztyn, and Nicolaus Copernicus. He prepared the defense of Olsztyn against the invasion of the Teutonic Knights.
In the sixteenth century, there were two prince-bishops of Warmia that stayed there: Johannes Dantiscus – "the first sarmatian poet, endowed with the imperial laurel wreath for "Latin Songs" (1538, 1541) and Marcin Kromer, who wrote with equal ease in Latin and Polish scientific and literary works (1580). Kromer consecrated the chapel of St. Anna, which was built in the south-west wing of the castle. In the course of time both wings of the castle lost military importance, which for residential purposes has become very convenient. In 1779 Prince-Bishop Ignacy Krasicki stopped here as well.
After the Royal Prussian annexation of Warmia in 1772, the castle became the property of the state board of estates (War and Domain Chamber, Kriegs- und Domänenkammer). In 1845 the bridge over the moat was replaced by a dam better connecting the castle with the city. In 1901–1911 a general renovation of the castle was performed, however several sections of the building were violated at the same time where they changed the original look of the castle e.g. putting on window frames in a cloister. The tower was crowned in 1921 and again in 1926 in the halls of the castle, became a museum.
In 1945 the whole castle became home to the Masurian Museum, which today is called the Museum of Warmia and Masuria. In addition there are also popular events held within the frameworks of the Olsztyn Artistic Summer and so called "evenings of the castle" and "Sundays in the Museum".
Though Jews did trade in the city fairs during medieval times, they were not allowed to trade freely in the villages surrounding the city. In 1718, Bishop Teodor Andrzej Potocki imposed a ban on Jewish trade. Other bishops after him continued the ban, which apparently wasn't successful since the city population complained about Jews dealing with animal leather and other products in 1742. Permanent Jews were found in the city in 1780, and they were allowed to settle outside the city walls. In 1814, the Simonson brothers opened the first Jewish store in town. In 1850, the city official authority announced that any citizen that hosted a wandering Jew in his house, would be fined and imprisoned.
The Jewish community of the city as a congregation was established in 1820. Shortly after, a prayer room was established on Richterstrasse. In 1877, the congregation bought a plot of land on Liebstädterstrasse and built a synagogue there. A Jewish cemetery was built on Seestrasse (present-day Grundwalzka). While at its peak, the town's Jewish population was 448 Jews in 1933.
By 1939, 135 Jews were left in the city, after most others fled from the country. Those who lived in town in 1940 were deported to Nazi concentration camps. In June 1946, 16 Holocaust survivors settled in the city and in 1948, the congregation had 190 worshipers. Most of them emigrated to Israel throughout the next few decades. There is no current trace of the Jewish cemetery.
The city was the birthplace of world-famous Jewish architect Erich Mendelsohn. In town, Mendelsohn planned the mourners' chapel (called the Mendelsohn house) next to the cemetery. The building is currently restored. In addition, it was the birthplace of German Socialist and SPD leader Hugo Haase. Frieda Strohmberg, an Impressionist, lived and worked in the city from 1910 to 1927. Documentation of the Jewish owned shops in town exists.
Olsztyn is located in the north-east part of Poland in the region known as the "Thousand Lakes".
More than half of the forests occupying 21.2% of the city area form a single complex of the Municipal Forest (1050 ha) used mainly for recreation and tourism purposes. Within the Municipal Forest area are situated two peat-land flora sanctuaries, Mszar and Redykajny. Municipal greenery (560 ha, 6.5% of the town area) developed in the form of numerous parks, green spots and three cemeteries over a century-old. The greenery includes 910 monuments of nature and groups of protected trees in the form of beech, oak, maple and lime-lined avenues.
The city is situated in a lake region of forests and plains. There are 15 lakes inside the administrative bounds of the city (13 with areas greater than 1 ha). The overall area of lakes in Olsztyn is about 725 ha, which constitutes 8.25% of the total city area.
|Lake||Area (ha)||Maximum depth (m)|
|Lake Ukiel (a.k.a. Jezioro Krzywe)||412||43|
|Lake Track (a.k.a. Trackie)||52.8||4.6|
|Lake Stary Dwór||6.0||23.3|
|Lake Siginek||6.0||insufficient data|
|Lake Czarne||approximately 1.3||insufficient data|
|Lake Żbik||approximately 1.2||insufficient data|
|Lake Pereszkowo||approximately 1.2||insufficient data|
|Lake Mummel||approximately 0.3||insufficient data|
|Lake Modrzewiowe||0.25||insufficient data|
Olsztyn's population includes 3280 Germans and 1283 Ukrainians.
Olsztyn is divided into 23 districts:
|Brzeziny||1,456||2.25 km2 (0.87 sq mi)||647.1/km²|
|Dajtki (German: Deuthen)||5,863||7.5 km2 (2.9 sq mi)||781.7/km²|
|Generałów||6,500||no data||no data|
|Grunwaldzkie||6,027||1.46 km2 (0.56 sq mi)||4,128.1/km²|
|Gutkowo (German: Göttkendorf)||2,256||7.2 km2 (2.8 sq mi)||313.3/km²|
|Jaroty||29,046||4.82 km2 (1.86 sq mi)||6,026.1/km²|
|Kętrzyńskiego||7,621||4.83 km2 (1.86 sq mi)||1,577.8/km²|
|Kormoran||16,166||1.1 km2 (0.4 sq mi)||14,696.4/km²|
|Kortowo (German: Kortau)||1,131||4.22 km2 (1.63 sq mi)||268/km²|
|Kościuszki||6,704||1.18 km2 (0.46 sq mi)||5,681.4/km²|
|Likusy (German: Likusen)||2,286||2.1 km2 (0.8 sq mi)||1,088.6/km²|
|Mazurskie||4,615||5.98 km2 (2.31 sq mi)||771.7/km²|
|Nad Jeziorem Długim||2,408||4.23 km2 (2 sq mi)||569.3/km²|
|Nagórki (German: Bergenthal)||12,538||1.69 km2 (0.65 sq mi)||7,418.9/km²|
|Pieczewo (German: Stolzenberg)||10,918||2.24 km2 (0.86 sq mi)||4,874.1/km²|
|Podgrodzie||11,080||1.35 km2 (0.52 sq mi)||8,207.4/km²|
|Podleśna||10,414||9.93 km2 (3.83 sq mi)||1,048.7/km²|
|Pojezierze||13,001||2.39 km2 (0.92 sq mi)||5,439.7/km²|
|Redykajny (German: Redigkainen)||1,555||6.1 km2 (2.36 sq mi)||254.9/km²|
|Śródmieście||3,448||0.58 km2 (0.22 sq mi)||5,944.8/km²|
|Wojska Polskiego||6,759||5.03 km2 (2 sq mi)||1,343.7/km²|
|Zatorze||6,988||0.45 km2 (0.17 sq mi)||15,528.9/km²|
|Zielona Górka||1,015||6.44 km2 (2.49 sq mi)||157.6/km²|
There are many smaller districts: Jakubowo (German: Jakobsberg), Karolin, Kolonia Jaroty, Kortowo II, Łupstych (German: Abstich), Niedźwiedź (German: Bärenbruch), Piękna Góra, Podlesie, Pozorty (German: Posorten), Skarbówka Poszmanówka, Słoneczny Stok, Stare Kieźliny, Stare Miasto, Stare Zalbki, Stary Dwór (German: Althof), Track. These do not have council representative assemblies.
- Stefan Jaracz Theatre (est. 1925) the host of International Theatre Festival DEMOLUDY
- Puppet Theatre
- Museum of Warmia and Mazury (Muzeum Warmii i Mazur) – Olsztyn's largest museum.
- Museum of Sports (Muzeum Sportu)
- Muzeum Nowoczesności
- The Old Town
- The Gothic castle of the Prince-Bishopric of Warmia built during the 14th century.
- St. James's Cathedral (Polish: św. Jakuba, German: St. Jacob or St. Jakob).
- Old Town Hall on the Market Square – built in the mid-14th century.
- Gazeta Olsztyńska House at Fish Market.
- The town walls and the Upper Gate (since the mid-19th century known as the High Gate).
- Neogothic church of the Holy Heart of Jesus, built during the years 1901–1902
- The New City Hall
- The Railway Bridge over the River Łyna gorge near Artyleryjska and Wyzwolenia streets, built during the years 1872–1873
- The Jerusalem Chapel, built in 1565
- Church of St. Lawrence, built during the late 14th century
- FM- and TV-mast Olsztyn-Pieczewo – 360 metres high, since the collapse of the Warsaw radio mast the tallest structure in Poland
In 1939, due to poor economic situation throughout the interwar period and city's growing population, a trolleybus line began operation, partially replacing the original tram network. Olsztyn was a third city in Poland having this method of transportation. During the Second World War the cars were mainly driven by women.
The trolleybus network consisting of 4 lines was liquidated on 31st of July 1971.
Historically, city's first tram line was built in 1907 and gradually expanded over the years. It ceased operation in 1965.
In 2006 authorities considered reintroduction of trams in the city to address transport problems and subsequently concluded feasibility studies on the matter in 2009. An 11 kilometres (7 miles) tram network was built between 2011–2015. The contract was signed in 2011 and construction commenced in 2012. It was a first new tram system built in Poland in 55 years; 15 low-floor Tramino trams were ordered from Solaris in September 2012.
There are currently 3 tram lines in operation.
A 6 kilometres (4 miles) extension is planned and Turkish manufacturer Durmazlar had been selected to supply 24 trams for the network.
Olsztyn has train connections to Warsaw, Gdańsk, Szczecin, Poznań, Bydgoszcz, Iława, Działdowo and Ełk. Olsztyn Główny is the main railway station in the city. Plans exist to demolish current building and replace it with new infrastructure, contrary to previous information about current building being renovated.
The region and city is served by Olsztyn-Mazury Airport with scheduled international passenger flights. It is located in Szymany, 10 km off Szczytno and 58 km south of the city of Olsztyn. The airport operates flights to London, Dortmund, Lviv, Cracow and Burgas.
- Indykpol AZS Olsztyn – men's volleyball team playing in the Polish Volleyball League (PLS, Polska Liga Siatkówki)
- OKS Stomil Olsztyn – men's football team, (8 seasons in the Polish Ekstraklasa as Stomil Olsztyn)
- Warmia Traveland Olsztyn – men's handball team playing in the Seria A (Polish First League)
- AZS UWM Trójeczka Olsztyn – men's basketball team playing in the Polish Second League
- WMPD Olsztyn – men's rugby team, playing in the First Polish League
- Budowlani Olsztyn – a wrestling team
- Joanna Jedrzejczyk – Former UFC women's Strawweight Champion
- Olsztyn Lakers – American football team
Members of the Sejm elected from Olsztyn constituency in 2005:
- Mieczysław Aszkiełowicz, Self-Defense of the Republic of Poland (Samoobrona Rzeczypospolitej Polskiej)
- Beata Bublewicz, Civic Platform (PO, Platforma Obywatelska)
- Jerzy Gosiewski, Law and Justice (PiS, Prawo i Sprawiedliwość)
- Tadeusz Iwiński, Democratic Left Alliance (SLD, Sojusz Lewicy Demokratycznej)
- Edward Ośko, League of Polish Families (LPR, Liga Polskich Rodzin)
- Adam Puza, Law and Justice (PiS, Prawo i Sprawiedliwość)
- Sławomir Rybicki, Civic Platform (PO, Platforma Obywatelska)
- Lidia Staroń, Civic Platform (PO, Platforma Obywatelska)
- Aleksander Marek Szczygło, Law and Justice (PiS, Prawo i Sprawiedliwość)
- Zbigniew Włodkowski, Polish Peasant Party (PSL, Polskie Stronnictwo Ludowe)
Members of Senate elected from Olsztyn constituency in 2005:
- Johannes von Leysen (1310–1388), town founder and mayor
- Nicolaus Copernicus (1473–1543), astronomer, administrator, and town commander
- Johannes Knolleisen (+1511), German academic and provider of academic stipends
- Lucas David (1503–1583), German historian of Prussia
- Marcin Kromer (1512–1589), Polish cartographer, diplomat and historian, personal secretary of Kings of Poland, Bishop of Warmia
- Hugo Haase (1863–1919), Jewish-German politician, jurist and pacifist
- Franz Justus Rarkowski (1873–1950), military bishop (1938–45)
- August Trunz (1875–1963), founder of the Prussica-Sammlung Trunz
- Feliks Nowowiejski (1877–1946), Polish composer, conductor, concert organist
- Maximilian Kaller (1880–1947) German prelate, bishop of Ermland in 1930–45
- Erich Mendelsohn (1887–1953), German-Jewish architect who fled the Nazis
- Olga Desmond (1891–1964), German dancer and actress
- Günter Wand (1912–2002), German conductor
- Kurt Baluses (1914–72) German football (soccer) player and manager
- Herbert Schachtschneider (1919–2008), German operatic tenor
- Hans-Jürgen Wischnewski (1922–2005), German politician
- Curt Lowens (1925–2017), German actor
- Leonhard Pohl (1929–2014), German gymnast
- Józef Glemp (1929–2013), Polish prelate, bishop of Warmia 1979–81
- Jörg Kuebart (1934–2018) German general of the German Air Force
- Karl-Heinz Hopp (1936–2007) German rower who competed in the 1960 Summer Olympics
- Wolf Lepenies (born 1941), German sociologist, political scientist and author
- Eugeniusz Geno Malkowski (born 1942), Polish artist, painter and academic
- Ulrich Schrade (1943–2009), German-Polish philosopher and pedagogue
- Marian Bublewicz (1950–1993), Polish rally and race driver of the 80s and 90s
- Juliusz Machulski (born 1955), Polish film director
- Izabela Trojanowska (born 1955), Polish actress and singer
- Andrzej Friszke (born 1956), Polish historian
- Krzysztof Hołowczyc (born 1962), Polish rally driver
- Piotr "Peter" Wiwczarek (born 1965), Polish musician, vocalist and lead guitarist of the death metal band Vader
- Mamed Khalidov (born 1980), Russian-Polish mixed martial artist
- Wojciech Grzyb (born 1981), Polish volleyball player
- Julia Marcell (born 1982), Polish singer/songwriter and pianist
- Małgorzata Jasińska (born 1984), Polish professional cyclist (retd.)
- Adrian Mierzejewski (born 1986), Polish footballer
- Joanna Jędrzejczyk (born 1987), Muay-Thai and MMA fighter, former UFC Women's Strawweight Champion
- Artur Szalpuk (born 1995), Polish volleyball player, 2018 World Champion
Twin towns – Sister citiesEdit
Olsztyn is twinned with:
Olsztyn belongs to the Federation of Copernicus Cities, an association of cities where Copernicus lived and worked, such as Bologna, Frombork, Kraków, and Toruń. The main office of the federation is situated at Olsztyn Planetarium and Astronomical Observatory, located on St. Andrew's Hill (143 m) in a former water tower erected in 1897.
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- Budziłło, Elzbieta. "Olsztyn – Copernicus city with 15 lakes". Retrieved 17 November 2016.
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- "Ranking jakości miejskiego życia. W Olsztynie żyje się bardzo dobrze". Retrieved 29 March 2017.
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- Historia Pomorza: (1815–1850), Gerard Labuda, Poznańskie Towarzystwo Przyjaciół Nauk, page 157, 1993
- "Olsztyn – Gołębnik w środku miasta. Atrakcje turystyczne Olsztyna. Ciekawe miejsca Olsztyna". Retrieved 17 November 2016.
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- joanna. "Historia lokalna – Olsztyn rok 1945 i pierwsze lata powojenne". Retrieved 17 November 2016.
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- W. Knercer, Cmentarze i zabytki kultury żydowskiej w województwie olsztyńskim, "Borussia", no. 6, 1993, p. 53; vide K. Forstreuter, Die ersten Juden in Ostpreussen, "Altpreussische Forschungen", ch. 14, 1937, pp. 42–48.
- "History – Jewish community before 1989 – Olsztyn – Virtual Shtetl". Archived from the original on 1 January 2014. Retrieved 17 November 2016.
- J. Jasiński, Olsztyn w latach 1772 – 1918, in: Olsztyn "1353 – 2003, ed. S. Achremczyk, W. Ogrodziński, Olsztyn 2003, p. 228.
- J. Jasiński, Olsztyn w latach 1772 – 1918, in: Olsztyn 1353 – 2003, ed. S. Achremczyk, W. Ogrodziński, Olsztyn 2003, p. 229.
- "Old synagogue – Synagogues, prayer houses and others – Heritage Sites – Olsztyn – Virtual Shtetl". Retrieved 17 November 2016.
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- https://www.bundesarchiv.de/gedenkbuch/directory.html#frmResults (matches for "Allenstein", with marked: "Wohnort" and "Geburtsort"; (as of 25 March 2009); http://www.yadvashem.org/wps/portal/!ut/p/_s.7_0_A/7_0_2KE?next_form=advanced_search (people living in Olsztyn before the war – matches for "Allenstein", with marked: "Before the War", (as of 25 March 2009); http://www.yadvashem.org/wps/portal/!ut/p/_s.7_0_A/7_0_2KE?next_form=advanced_search (people born in Olsztyn – matches for "Allenstein", with marked: "Birth"; (as of 25 March 2009).
- "Jewish Cemetery (Zyndrama z Maszkowic Street) – Cemeteries – Heritage Sites – Olsztyn – Virtual Shtetl". Retrieved 17 November 2016.
- "Family House of Erich Mendelsohn – 21 Podgórna Street (Oberstrasse, today's 10 Staromiejska) – Heritage sites – Heritage Sites – Olsztyn – Virtual Shtetl". Archived from the original on 1 January 2014. Retrieved 17 November 2016.
- "Mendelsohn's house will be renovated – Virtual Shtetl". Retrieved 17 November 2016.
- "History – Jewish community before 1989 – Olsztyn – Virtual Shtetl". Archived from the original on 1 January 2014. Retrieved 17 November 2016.
- "100-milionowa opona w olsztyńskiej fabryce Michelin – Autoflesz.pl – Niezależny Portal Motoryzacyjny". Autoflesz.pl. Retrieved 16 September 2011.
- "Schematy Komunikacyjne". ZDZiT - Zarząd Dróg Zieleni i Transportu w Olsztynie (in Polish). Retrieved 3 February 2019.
- Janduła, Martyn (6 March 2016). "Trolejbusowe szaleństwo Olsztyna". Transport-Publiczny.pl (in Polish). Retrieved 3 February 2019.
- "Trams return to Olsztyn after 50 years". www.tautonline.com. 27 April 2016. Retrieved 3 February 2019.
- "Olsztyn city reintroduces trams". Railway PRO Communication Platform. 13 January 2016. Retrieved 3 February 2019.
- "Solaris to deliver 15 Tramino low-floor trams to Olsztyn". www.breakingtravelnews.com. 1 October 2012. Retrieved 3 February 2019.
- "Durmazlar to supply trams to Olsztyn". Metro Report International. 17 May 2018. Retrieved 3 February 2019.
- Kurs, Tomasz (2 February 2019). "Tajemnicza układanka, czyli jak będzie wyglądał Olsztyn Główny". olsztyn.wyborcza.pl (in Polish). Retrieved 3 February 2019.
- Urbanowicz, Witold (6 November 2017). "Rusza przetarg na projekt budowy nowego Olsztyna Głównego". Transport-Publiczny.pl (in Polish).
- "Transportation". Olsztyn-Mazury Airport. Retrieved 3 February 2019.
- "Le service municipal des jumelages" [Châteauroux municipal twinning service]. Ville de Châteauroux (in French). Archived from the original on 20 September 2012. Retrieved 4 August 2013.
- "List of Twin Towns in the Ruhr District" (PDF). Twins2010.com. Archived from the original (PDF) on 28 November 2009. Retrieved 28 October 2009.
- "Bielsko-Biała – Partner Cities". 2008 Urzędu Miejskiego w Bielsku-Białej. Retrieved 10 December 2008.