Template:Wp-Oleśnica-History

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The Piast castle with a nearby abbey and trading settlement was first mentioned in an 1189 deed. It was part of fragmented Poland under the Piast dynasty. In 1255, it was granted town rights by Duke Henry III the White. From the 13th century onwards, the area was largely settled by Germans in the course of the Ostsiedlung. From the 13th century, it had a coin mint. In the 13th century Oleśnica was part of the Duchy of Silesia, in 1294 it became part of the Duchy of Głogów and in 1313 it became capital of the Duchy of Oleśnica, just partitioned from Głogów. By that time a hospital already existed in Oleśnica, mentioned in a document from 1307.[1] From 1320/21 the former castellany served as the residence of the Piast duke Konrad I of Oleśnica; his son Duke Konrad II the Gray also inherited Koźle. The dukes of Oleśnica in the 14th century still claimed to be heirs of the entire Kingdom of Poland, even though they ruled only in their principality, which caused animosity from other Polish dukes in Silesia and monarchs of all Poland.[1] Oleśnica was located on an important trade route which connected Wrocław with Kalisz and Toruń.[1]

In 1329, Duke Konrad I was forced to accept the overlordship of the Bohemian (Czech) Crown, although he retained vast autonomy.[1] Local Polish dukes granted numerous privileges to Oleśnica,[1] and the Duchy of Oleśnica was still ruled from the town until the 1492 death of Duke Konrad X the White, last of the local Piasts. During the Hussite Wars, Oleśnica was invaded by the Hussites in 1432, and later Polish–Hussite negotiations took place there.[1] During the Bohemian–Hungarian War local dukes switched sides several times. In 1469 they recognized the overlordship of King Matthias Corvinus of Hungary, in the 1470s Duke Konrad X sided with Bohemian King Vladislaus Jagiellon, in 1480 he recognized Hungarian suzerainty again, and then revolted in 1489.[1] Afterwards it was again a Bohemian fief.


According to an agreement from 1491, the duchy was supposed to pass to future Polish King John I Albert, but eventually in 1495 it was sold to Duke Henry I of Münsterberg, son of the Bohemian (Czech) king George of Poděbrady.[1] His grandson Duke John of Münsterberg-Oels established a gymnasium at Oleśnica in 1530. When the Czech Podiebrad family became extinct in 1647, town and duchy were inherited by the Swabian dukes of Württemberg, and in 1792 by the Welf dukes of Brunswick-Lüneburg.

In the 17th century, the Polish-German language border ran close to Oleśnica, including the town to the territory dominated by the Polish language. Polish religious writers Adam Gdacius (nicknamed Rey of Silesia) and Jerzy Bock published their works in Oleśnica.


In the 18th century, one of two main routes connecting Warsaw and Dresden ran through the town and Kings Augustus II the Strong and Augustus III of Poland often traveled that route. As a result of the First Silesian War the Duchy of Oels (Oleśnica) came under suzerainty of the Kingdom of Prussia in 1742. Following administrative reform in 1807 during the Napoleonic Wars, Oels became the seat of Landkreis Oels in the Province of Silesia, remaining capital of the Duchy of Oels (Oleśnica). In 1884 the duchy was incorporated into Prussia, itself part of Germany since the 1871 Prussian-led unification of Germany.

After World War I, Oels was included within the Province of Lower Silesia. Nazi Germany operated a prison in the town, and a forced labour camp for Italian, English, Yugoslavian, Belgian and Polish prisoners of war during World War II. The German administration evacuated almost the entire population, leaving only a few Germans and the forced laborers. The town was heavily damaged by the Red Army in 1945 in the final stages of World War II, having approximately 60-80% of its buildings destroyed. The city was placed in Poland's borders after the Potsdam Conference and its official name became Oleśnica. The remaining German-speaking population was subsequently expelled in accordance to the Potsdam Agreement and the town was resettled with Poles many of whom were expelled from Eastern Poland annexed in 1945 by the Soviet Union. The majority of monuments in the Old Town have been rebuilt since the 1960s.