Polish CorridorThe Polish Corridor (Polnischer Korridor; Pomorze, Polski Korytarz), also known as the Danzig Corridor, Corridor to the Sea or Gdańsk Corridor, was a territory located in the region of Pomerelia (Pomeranian Voivodeship, eastern Pomerania, formerly part of West Prussia), which provided the Second Republic of Poland (1920–1939) with access to the Baltic Sea, thus dividing the bulk of Germany (Weimar Republic) from the province of East Prussia. At its narrowest point, the Polish territory was just 30 km wide.
KaliningradKaliningrad (kəˈlɪnᵻnɡræd ; Калининград), until 1946 known as Königsberg (ˈkøːnɪçsbɛʁk; Kyonigsberg; Królewiec), is the largest city and administrative centre of Kaliningrad Oblast, a Russian exclave between Lithuania and Poland. The city sits about west from mainland Russia. The city is situated on the Pregolya River, at the head of the Vistula Lagoon on the Baltic Sea, and is the only ice-free port of Russia and the Baltic states on the Baltic Sea. Its population in 2020 was 489,359, with up to 800,000 residents in the urban agglomeration.
Invasion of PolandThe Invasion of Poland, also known as the September Campaign, Polish Campaign, War of Poland of 1939, and Polish Defencive War of 1939 (1 September – 6 October 1939), was a joint attack on the Republic of Poland by Nazi Germany, the Slovak Republic, and the Soviet Union; which marked the beginning of World War II. The German invasion began on 1 September 1939, one week after the signing of the Molotov–Ribbentrop Pact between Germany and the Soviet Union, and one day after the Supreme Soviet of the Soviet Union had approved the pact.
ElblągElbląg (ˈɛlblɔŋk; Elbing; Elbings) is a city in the Warmian-Masurian Voivodeship, Poland, located in the eastern edge of the Żuławy region with 117,390 inhabitants, as of December 2021. It is the capital of Elbląg County. Elbląg is one of the oldest cities in the province. Its history dates back to 1237, when the Teutonic Order constructed their fortified stronghold on the banks of a nearby river. The castle subsequently served as the official seat of the Teutonic Order Masters.
Potsdam AgreementThe Potsdam Agreement (Potsdamer Abkommen) was the agreement between three of the Allies of World War II: the United Kingdom, the United States, and the Soviet Union after the war ended in Europe on 1 August 1945 and it was published the next day. A product of the Potsdam Conference, it concerned the military occupation and reconstruction of Germany, its border, and the entire European Theatre of War territory. It also addressed Germany's demilitarisation, reparations, the prosecution of war criminals and the mass expulsion of ethnic Germans from various parts of Europe.
PomeraniaPomerania (Pomorze; Pommern; Kashubian: Pòmòrskô; Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to the German states of Mecklenburg-Western Pomerania and Brandenburg, while the eastern part belongs to the West Pomeranian, Pomeranian and Kuyavian-Pomeranian voivodeships of Poland.
