The Greater Poland Uprising of 1918–1919, or Wielkopolska Uprising of 1918–1919 (Polish: powstanie wielkopolskie 1918–19 roku; German: Großpolnischer Aufstand) or Posnanian War was a military insurrection of Poles in the Greater Poland (also called the Grand Duchy of PoznaÅ„ or Provinz Posen region) against Germany and Prussia.

The 1794 Greater Poland Uprising (Polish: powstanie wielkopolskie 1794 roku) was a military insurrection by Poles in Wielkopolska (Greater Poland) against the occupying Prussian forces after the 1793 Second Partition of the Polish-Lithuanian Commonwealth. Together with the assault by General Jan Henryk Dąbrowski, the 1794 Wielkopolska Uprising prevented the Prussians from intervening against Polish forces in the Kościuszko Uprising in central Poland against Tsarist Russia.

The 1806 Greater Poland Uprising (Polish: powstanie wielkopolskie 1806 roku) was a military insurrection by Poles in Wielkopolska (Greater Poland) against the occupying Prussian forces after the Partitions of the Polish-Lithuanian Commonwealth (1772–1793).