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
Council of States (Switzerland) Council of States (Switzerland) The Council of States (, , , ) is the smaller chamber of the Federal Assembly of Switzerland, and is considered the Assembly's upper house, with the National Council being the lower house. There are 46 Councillors. Twenty of the country's cantons are represented by two Councillors each. Six cantons, traditionally called "half cantons", are represented by one Councillor each for historical reasons. These are Obwalden, Nidwalden, Basel-Stadt, Basel-Landschaft, Appenzell Ausserrhoden and Appenzell Innerrhoden. The Councillors serve for four years, and are not bound in their vote to instructions from the cantonal authorities. Under the Swiss