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 to refer to the members of the Swiss Confederacy. English use of "canton" in reference to the Swiss Confederacy (as opposed to the heraldic sense) dates to the early 17th century. In the Old Swiss Confederacy, the term "Ort" (plural: "Orte") was in use from the early 15th century as a generic term for the member cantons. The founding cantons specifically were also known as "Waldstätte" "forest settlements", "forest cantons" (singular: "Waldstatt"). The formulaic ' for the members of the early confederacy is recorded in the mid-14th century, used interchangeably with ' ("cities and lands", "city cantons and rural cantons")