Prior to 1249, a West Slavic settlement named Zliwitz along with the Lubusz Land was part of the Kingdom of Poland.
[7] After a two-day siege, Swedish forces, supported by Scottish auxiliaries,[8] stormed the town and destroyed many buildings, e.g. the Georgen Hospital.
[10] The city was briefly occupied by the Russian Imperial Army during the Seven Years' War, in August 1759, in the prelude to the battle of Kunersdorf.
Centrally positioned in the Kingdom of Prussia between Berlin and Posen (Poznań), on the river Oder with its heavy traffic, the town housed the second-largest annual trade fair (Messe) of the German Reich, surpassed only by that in Leipzig.
One of the main escape routes for insurgents of the unsuccessful Polish November Uprising from partitioned Poland to the Great Emigration led through the city.
[13] The SS Einsatzgruppe VI was formed in the town before it entered several Polish cities, including Poznań, Kalisz and Leszno, to commit various crimes against Poles during the German invasion of Poland, which started World War II.
[14] During World War II the Germans brought numerous forced laborers, both men and women, from Poland and the Soviet Union to the town.
The postwar East German–Polish border ran along the Oder, separating the Dammvorstadt on the eastern bank – which became the Polish town of Słubice – from the rest of Frankfurt.
In the post-communist era, following the collapse of its main employer VEB Halbleiterwerk, Frankfurt has suffered from high unemployment and low economic growth.
Poland joined the European Union on 1 May 2004, and implemented the Schengen Agreement on 21 December 2007 leading to the removal of permanent border controls.
The procession of the new Torah scroll began from the spot where the town's Frankfurter Synagogue stood prior to World War II, 500 meters from Germany's current border with Poland.
An early chancellor, Bishop Georg von Blumenthal (1490–1550), was a notable opponent of the Protestant Reformation, as he remained a Catholic.
Frankfurt (Oder), being located on the border to Poland, plays a special role in connection with German–Polish relations and European integration.
The university also has a number of projects and initiatives dedicated to bringing Poland and Germany together, and offers its students pro bono Polish courses.