The Greater Poland uprising of 1848 or Poznań Uprising (Polish: powstanie wielkopolskie 1848 roku / powstanie poznańskie) was an unsuccessful military insurrection of Poles against Prussian forces, during the Spring of Nations period. The main fighting in the Prussian Partition of Poland was concentrated in the Greater Poland region but some fights also occurred in Pomerelia. In addition, protests were also held in Polish inhabited regions of Silesia.