|• Total||15.04 km2 (5.81 sq mi)|
|• Density||790/km2 (2,000/sq mi)|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
|Area code(s)||+48 95|
Myślibórz [mɨˈɕlʲibuʂ] (German: Soldin; Kashubian: Żôłdzëno) is a city in north-west Poland, in West Pomeranian Voivodeship. It is the capital of the Powiat of Myślibórz (powiat myśliborski). Population is 11,867.
The city's official webpage mentions a settlement inhabited by a pre-Slavic population from Lusatian culture on the shores of the lake (Polish: Jezioro Myśliborskie; German: Soldiner See) in the 7th century, which later turned into a West Slavic fortress in the 10th and 11th centuries; the area was incorporated into Poland by the Piast duke Mieszko I by the end of the 10th century. According to the city's webpage, the town site was a fishing settlement called Sołtyń, located on trading route between Silesia and Greater Poland towards Oder delta. It is from this fishing settlement that the later German name of the town comes: Soldin.
The site was acquired as a rest house by the Dominican Order in 1234, while the fort was ceded to the Knights Templar and finally sold to the Ascanian margraves John I and Otto III of Brandenburg in 1261. Together with the nearby castellany of Santok, the former Greater Polish lands were incorporated into the Brandenburgian Neumark ("New March"; Polish: Nowa Marchia) territory. The town was first mentioned as Soldin in a 1270 deed and quickly became the administrative centre of the region, a Dominican monastery was founded there in 1275. However, in the first half of the 14th century Soldin declined due to famine and political strife of the Ascanian dynasty, in the course of which the Soldin Castle was destroyed. The Neumark area came under the control of the Teutonic Order in 1402, but in 1455 was re-acquired by the Margraviate of Brandenburg, now under the rule of the House of Hohenzollern. Elector Frederick Irontooth had Brandenburg’s suzerainty over the area formalized in the 1466 Treaty of Soldin with the Pomeranian dukes (see below).
In the 16th century, Margrave John of Brandenburg-Küstrin converted the Neumark to Protestantism, seceded from Brandenburg and transferred his court from Soldin to Küstrin (now Kostrzyn nad Odrą, Poland). The Dominican monastery was dissolved. Soldin suffered heavy damage in the Thirty Years War, when it was overrun by the Imperial army under Albrecht von Wallenstein marching against King Christian IV of Denmark. It began to recover only in the 18th century as a garrison town of the Kingdom of Prussia under Frederick the Great. When the German Empire was formed in 1871, Soldin was the capital of a rural district (Landkreis) within the Prussian Province of Brandenburg. In the 19th century, Soldin was largely bypassed by the industrial revolution, and was not served by rail until 1888. Electrification came in 1898, and a municipal water system only in 1912. In the nearby forest, the Lituanica plane crash occurred on 17 July 1933.
By the beginning of the Second World War in 1939, Soldin had 6,284 inhabitants. The city was captured without a fight by the Red Army on 31 January 1945. After a Soviet soldier attempting to rape a local woman was shot and killed by her husband on 3 February, the Soviets rounded up 160 civilians from the town, mostly teenaged boys and elderly men, and murdered 120 of them in a nearby quarry four days later. After the discovery of the mass grave of the victims in 1995, a memorial commemorating the victims was erected. 
With the end of the war in 1945, the partly depopulated area was transferred to Poland under border changes promulgated at the Potsdam Conference. The surviving German population of Soldin was forcibly expelled and the town, renamed Myślibórz, was gradually repopulated by Polish settlers.
Historically, the town was the site of two important treaties: The Treaty of Soldin (1309) between the Margraviate of Brandenburg and the Teutonic Order State, and the Treaty of Soldin (1466) between the Electorate of Brandenburg and the Duchy of Pomerania.
- August Piepenhagen (1791–1868), German painter
- Daniel Lessmann (1794–1831), German-Jewish historian
- Hermann Kennemann (1815–1910), German politician
- Max Fesca (1846–1917), German scientist
- William C. Rauschenberger (1855–1918), German-American mayor of Milwaukee
- Heino Schmieden (1835–1913), German architect
- Gisela Kallenbach (1944- ), German politician
Twin towns — sister cities
Myślibórz is twinned with:
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