Flags and arms of cantons of Switzerland is a design by Paul Boesch, dated to 1943. The crozier symbolizes the former Prince-Bishopric of Basel, the seven stripes represent the seven districts of the Bernese Jura. It was officially recognized as a regional flag by Bern from the early 1950s. The canton of Jura was created in 1979 after a referendum, but only three of the seven districts opted to join. The seven stripes were retained in the cantonal flag regardless, and there remains some irredentism calling for a restored unity of all seven districts. Flags and arms of cantons of Switzerland Each of the 26 modern cantons
Flags and arms of cantons of Switzerland arranging cantonal insignia in shields ("escutcheons") as coats of arms arises in the late 15th century. The "Tagsatzung" in Baden was presented with stained glass representations of all cantons in ca. 1501. In these designs, two cantonal "escutcheons" were shown side by side, below a shield bearing the Imperial Eagle and a crown, flanked by two banner-bearers. Based on these, there arose a tradition of representing cantonal arms in stained glass ("Standesscheiben"), alive throughout the early modern period and continued in the modern state. The flag of Zürich is derived from a blue-and-white design attested since the 1220s, the diagonal