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
Geography of Switzerland of Westphalia (1648) until the establishment of the Swiss federal state in 1848. There are considerable differences between the individual cantons, most particularly in terms of population and geographical area; hence seven larger and more homogeneous regions have been defined. They do not, however, constitute administrative units and are mostly used for statistical and economic purposes. The Swiss territory is divided into four major types of land use. , 36.9% of the land in Switzerland was used for farming. 30.8% of the country is covered with forests and woodlands, with an additional 6.8% covered with houses or buildings. About one-fourth