EN
The origins of the Swiss Confederation date back to the year 1291, when the three cantons Uri, Schwyz and Unterwalden renewed the earlier relationship. Over the next two centuries in the compositionof the Union (Eidgenossenschaft) there were thirteen cantons. The foundation of the system of the Swiss Confederation were such acts as: Eid (1291), Pfaffen Brief (1370), Sempacher Brief (1393) and Stanser Verkommnis (1481). The link does not have any other authorities outside the Tagsatzung – as collectively-meeting representatives of the cantons. The year 1515 is considered to be the end of the Swiss Confederation territorial expansion.