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
History of the Jews in Switzerland begun recording what is left of the dialect. According to the 2000 census, the Jewish population of Switzerland was at 17,914 (0.2% of the total population). In 2015 there were 17,250 Jewish people over the age of 15 in Switzerland (about 0.25% of the total). Although the number of Jews has remained fairly stable since the thirties, their percentage of the Swiss population has fallen considerably. This plateau is due to immigration, without which Swiss Jews could not have prevented a demographic setback, linked to an aging population and the many mixed marriages. Among the Cantons of Switzerland, only Zurich,