The Kashubians’ Unity Day is held annually on March 19th to commemorate Pope Gregory IX’s promotion of the Dukes of Pomerania to the title of the “dux Slavorum et Cassubia” (Duke of the Slavs and the Kashubs), which dates back to 19 March 1238.
The tradition of the Kashubians’ Unity Day was established in 2004. Since 2006, thanks to Marek Wantoch-Rekowski, as part of the celebrations, accordion players from around the country meet for a mass performance. This year, the organizers hope to break the Poland’s record in concurrent accordion playing. Thousands of accordion players are expected to arrive, including the Koszalińska Orkiestra Akordeonowa “Akord.”
The main celebrations will take place at the Secondary School Chain Nr. 2, located in the Wybicki housing area in Kartuzy. If this year’s festivities resemble those of yester years, you can rest assured that leaving your house and mingling with the crowds will be worthwhile. A performance by Weronika Korthals (known from the “Szansa na sukces” (A chance for success) singing talent show) and a concert of Niwa Modrego Lnu (a music group from Smoldzino) are some of the perks for those who decide to show up.
Mark Kwidzińsczi has compiled, and made available as an ISO, 


