On April 30, 1436, the last Count of Toggenburg, Friedrich VII, died without any male heirs and without a will.

The communities would either be split among other nobles, or the entire County of Toggenburg would be inherited by the House of Habsburg.

The leaders of the communities chose a third path, they reached an agreement with Friedrich's widow, Elisabeth von Matsch.

Leaders of the communities of Klosters, Davos, Castels, Schiers, St. Peter (part of Schanfigg), Langwies, Churwalden, Belfort, Maienfeld and Malans (which was under the jurisdiction of Neu-Aspermont) met and agreed to protect their rights, to only collectively enter other pacts and treaties, to appoint judges from each community and to re-swear the pact every twelve years.

Soon after the death of the Toggenburgs, the League was not able to prevent the Court and Judgement rights from being split up and given to local nobles.

Both Graf von Montfort and Graf von Matsch sold their rights to the Duke of Austria, Montfort in 1470 and Matsch in 1477[1] The duke combined the two territories (the eight jurisdictions) into a single Vogtei which was administered by an appointed Landvogt, who was generally a member of the League of the Ten Jurisdictions.

In 1509 the Baron von Brandis separated the community of Maienfeld from his holdings, and transferred it to the emergent Three Leagues.

The Musso war against the Duchy of Milan in 1520 pushed the League closer to the Swiss Confederacy.

The League would remain an associate to the Swiss until the Napoleonic Wars, when it was absorbed into the Helvetic Republic.