Territorial evolution of Switzerland

Common card · No. 465010

The territorial evolution of Switzerland occurred primarily with the acquisition of territory by the historical cantons of the Old Swiss Confederacy and its close associates. This gradual expansion took place in two phases, the growth from the medieval Founding Cantons to the "Eight Cantons" during 1332–1353, and the expansion to the "Thirteen Cantons" of the Reformation period during 1481–1513. The Helvetic Republic (formed 1798) as revised in the Act of Mediation (1803) added further territories of former Associates of the Swiss Confederacy, notably those of the Abbey of St. Gall and the Three Leagues. The territories of the Valais, the Swiss Jura and Geneva were added to the "restored" Confederacy following the Congress of Vienna in 1815. The restored Confederacy remained a union of nominally independent states until the formation of Switzerland as a federal state in 1848. Some territorial disputes remained, and were resolved in the 1850s and 1860s. Since then, the territory of Switzerland...

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