According to German historian Hartmut Boockmann the term corridor was first used by Polish politicians, while … See more

In the 10th century, Pomerelia was settled by Slavic Pomeranians, ancestors of the Kashubians, who were subdued by Bolesław I of Poland. In the 11th century, they created an independent duchy. In 1116/1121, … See more

During World War I, the Central Powers had forced the Imperial Russian troops out of Congress Poland and Galicia, as manifested in the Treaty of Brest-Litovsk on 3 March 1918. Following the military defeat of Austria-Hu… See more

The German author Christian Raitz von Frentz writes that after First World War ended, the Polish government tried to reverse the systematic Germanization from former decades. Frederick the Great (King in/of Prussia from … See more

In the period leading up to the East Prussian plebiscite in July 1920, the Polish authorities tried to prevent traffic through the Corridor, interrupting postal, telegraphic and telephone communication. On March 10, 1920, th… See more

The German Ministry for Transport established the Seedienst Ostpreußen ('Sea Service East Prussia') in 1922 to provide a ferry connection to East Prussia, now a German exclave, so that it would be less dependent … See more