Polessk prior to 1945 known by its German

German language

German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....

 name Labiau is a town and the administrative center of Polessky District of Kaliningrad Oblast

Kaliningrad Oblast

Kaliningrad Oblast is a federal subject of Russia situated on the Baltic coast. It has a population of The oblast forms the westernmost part of the Russian Federation, but it has no land connection to the rest of Russia. Since its creation it has been an exclave of the Russian SFSR and then the...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. Population: 4,744 (1885).

Polessk lies between Kaliningrad

Kaliningrad

Kaliningrad is a seaport and the administrative center of Kaliningrad Oblast, the Russian exclave between Poland and Lithuania on the Baltic Sea...

 and Sovetsk

Sovetsk, Kaliningrad Oblast

Sovetsk , known by its historical German name of Tilsit in East Prussia before 1946, is a town in Kaliningrad Oblast, Russia, located on the south bank of the Neman River. Population: -History of Tilsit:...

 at the junction of a main road and a railroad at the Deyma River

Deyma River

The Deyma is a river in Russia's Kaliningrad Oblast. It separates from the Pregolya at Gvardeysk, flows through Polessk, and ends at the Curonian Lagoon. The Polessk Canal connects the Deima with the Nemunas....

, shortly before it enters the Curonian Lagoon

Curonian Lagoon

The Curonian Lagoon is separated from the Baltic Sea by the Curonian Spit. Its surface area is . The Neman River supplies about 90% of its inflows; its watershed consists of about 100,450 square kilometers in Lithuania and the Kaliningrad Oblast.-Human history:In the 13th century, the area around...

. The Polessk Canal begins in the town.

The town contains a castle

Castle

A castle is a type of fortified structure built in Europe and the Middle East during the Middle Ages by European nobility. Scholars debate the scope of the word castle, but usually consider it to be the private fortified residence of a lord or noble...

 built by the Teutonic Order, who gave it the German name Labiau. It became part of Ducal Prussia

Ducal Prussia

The Duchy of Prussia or Ducal Prussia was a duchy in the eastern part of Prussia from 1525–1701. It was the first Protestant duchy with a dominant German-speaking population, as well as Polish and Lithuanian minorities...

 and on November 20, 1656 was the location of the Treaty of Labiau

Treaty of Labiau

The Treaty of Labiau was a treaty signed between Frederick William I, Elector of Brandenburg and Charles X Gustav of Sweden on 10 November / 20 November 1656 in Labiau...

. While part of East Prussia

East Prussia

East Prussia is the main part of the region of Prussia along the southeastern Baltic Coast from the 13th century to the end of World War II in May 1945. From 1772–1829 and 1878–1945, the Province of East Prussia was part of the German state of Prussia. The capital city was Königsberg.East Prussia...

 within the Kingdom of Prussia

Kingdom of Prussia

The Kingdom of Prussia was a German kingdom from 1701 to 1918. Until the defeat of Germany in World War I, it comprised almost two-thirds of the area of the German Empire...

 and the German Empire

German Empire

The German Empire refers to Germany during the "Second Reich" period from the unification of Germany and proclamation of Wilhelm I as German Emperor on 18 January 1871, to 1918, when it became a federal republic after defeat in World War I and the abdication of the Emperor, Wilhelm II.The German...

, Labiau was a district seat in the administrative region of Königsberg

Königsberg

Königsberg was the capital of East Prussia from the Late Middle Ages until 1945 as well as the northernmost and easternmost German city with 286,666 inhabitants . Due to the multicultural society in and around the city, there are several local names for it...

. In 1885, Labiau had 4,744 inhabitants, almost all of whom were Lutherans

Lutheranism

Lutheranism is a major branch of Western Christianity that identifies with the theology of Martin Luther, a German reformer. Luther's efforts to reform the theology and practice of the church launched the Protestant Reformation...

.

Labiau was overrun by the Soviet

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 Red Army

Red Army

The Workers' and Peasants' Red Army started out as the Soviet Union's revolutionary communist combat groups during the Russian Civil War of 1918-1922. It grew into the national army of the Soviet Union. By the 1930s the Red Army was among the largest armies in history.The "Red Army" name refers to...

 in 1945 near the end of World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. It was transferred from German to Russian control according to the Potsdam Conference

Potsdam Conference

The Potsdam Conference was held at Cecilienhof, the home of Crown Prince Wilhelm Hohenzollern, in Potsdam, occupied Germany, from 16 July to 2 August 1945. Participants were the Soviet Union, the United Kingdom, and the United States...

 and the following year renamed from Labiau to Polessk. The remaining Germans

Germans

The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....

 who had not evacuated

Evacuation of East Prussia

The evacuation of East Prussia refers to the evacuation of the German civilian population and military personnel in East Prussia and the Klaipėda region between 20 January, and March 1945, as part of the evacuation of German civilians towards the end of World War II...

 were subsequently expelled

Expulsion of Germans after World War II

The later stages of World War II, and the period after the end of that war, saw the forced migration of millions of German nationals and ethnic Germans from various European states and territories, mostly into the areas which would become post-war Germany and post-war Austria...

and replaced with Soviet citizens.