Wielkopolska uprising

  On 27 December in 1918 the Wielkopolska uprising (Greater Poland Uprising of 1918–1919 or Posnanian War ) started.  It  was a military insurrection of Poles in the Greater Poland region (German: Grand Duchy of Poznań or Provinz Posen) against German rule. The uprising had a significant effect on the Treaty of Versailles, which granted a reconstituted […]