Flags and arms of cantons of Switzerland there is overlap; Unterwalden and Solothurn share the same colours, as do Basel and Appenzell, and with the accession of the modern cantons, Valais and Basel-City, and St. Gallen and Thurgau. Of the 26 cantons since 1999 (22 cantons in 1848, accession of Jura in 1979, three half-cantons designated "canton" in 1999): Distinctively, Swiss cantons use square flags. Historically, the number of cantons was: Nidwalden and Obwalden form traditional subdivisions of Unterwalden. Basel-Stadt and Basel-Landschaft, as well as Appenzell Inner- and Ausserrhoden, are half cantons, resulting from the division of Basel and Appenzell, respectively. The Swiss Federal Constitution of 1999
Cantons of Switzerland Jurassic separatists suggested a new canton of Jura to be divided into half-cantons of North Jura and South Jura. Instead, North Jura became the (full) canton of Jura while South Jura remains in the canton of Bern as the region of Bernese Jura. The name of each canton in its own official language is shown in bold. The enlargement of Switzerland by way of the admission of new cantons ended in 1815. The latest formal attempt considered by Switzerland was of Vorarlberg in 1919 but subsequently rejected. A few representatives submitted in 2010 a parliamentary motion to consider enlargement although