Such armbands were worn by Polish freedom fighters during the Greater Poland Uprising (1918–1919) and Silesian Uprisings (1919–1921), as well as during the Second World War (1939–1945) by the soldiers of the Home Army (AK) and Peasants' Battalions (BCh) – usually emblazoned with the acronyms of their formations.
During the war units of Polish Armia Krajowa (AK) and BCh (Polish Peasants' Battalions) operating in this area discovered testing sites for the German V-1 and V-2 rockets in the nearby towns of Blizna/Pustkow.