While the Uprising was focused in Wielkopolska, it also reached out to other Polish inhabited areas, in Pomerania Natalis Sulerzeski organized Polish armed forces and together with Ignacy Łyskowski arranged a meeting in Wębrzyn of Polish delegates was organized who created Tymczasowy Komitety Prus Polskich.
Kuigi ülestõus keskendus Wielkopolskale, jõudis see ka teistele poolakatega asustatud aladele, Pommeris organiseeris Natalis Sulerzeski poolakate relvaüksused ja koos Ignacym Łyskowskimiga korraldas kohtumise Wębrzynis, millel organiseerusid poola delegaadid, kes asutasid Tymczasowy Komitety Prus Polskich.