In September 1499, a peace agreement was concluded at Basel that effectively established a de facto independence of the Eidgenossenschaft from the empire, although it continued nominally to be part of the Holy Roman Empire until after the Thirty Years' War and was not included into the system of Imperial Circles in 1500.
En setembro de 1499 asinouse un tratado de paz en Basilea que estabelecía a independencia de facto da Eidgenossenschaft, aínda que seguiría sendo nominalmente parte do Sacro Imperio Romano Xermánico até logo da Guerra dos Trinta Anos e non se incluíu no sistema de Círculos Imperiais en 1500.