Kreis Birnbaum [SEP] dissolved or abolished
Kreis Birnbaum
The Kreis Birnbaum () was an administrative district in Prussia ("Kreis") in the west of the Grand Duchy of Posen and the succeeding Province of Posen, part of "Regierungsbezirk" Posen between 1815 and 1920. Today the area belongs to the Polish voivodeships of Greater Poland and Lubusz.
History.
The lands around the Greater Polish town of Międzychód had been part of the Poznań Voivodeship since the 14th century, they were annexed by the Kingdom of Prussia during the Second Partition of Poland in
region of Greater Poland by the Kingdom of Prussia. It was part of Grand Duchy of Warsaw between 1807 and 1815. It was incorporated into the Kreis Birnbaum of the Grand Duchy of Posen in 1815. From 1887 it was the administrative seat of Kreis Schwerin within the Prussian Province of Posen. In 1919, according to the Treaty of Versailles, this district was left in the small province of Posen-West Prussia which remained part of Weimar Germany. Posen-West Prussia was dissolved in 1938 and Schwerin/Skwierzyna became part