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 of general popular assemblies in Appenzell Innerrhoden and Glarus, democratic rights are exercised by secret ballot. The right of foreigners to vote varies by canton, as does whether Swiss citizens living abroad (and registered to vote in a canton) can take part in cantonal voting. Swiss citizens are citizens of a particular municipality (the place of origin) and the canton in which that municipality is part. Cantons therefore have a role in and set requirements for the granting of citizenship (naturalisation), though the process is typically undertaken at a municipal level and is subject to federal law. Switzerland has only