The Second War of Kappel was an armed conflict in 1531 between the Catholic and the Protestant cantons of the Old Swiss Confederacy during the Reformation in Switzerland.
Battle of Kappel, 11 October 1531, by Johannes Stumpf (1548)
The Tagsatzung of 1531 in Baden failed to mediate between the parties (1790s drawing)
The Old Swiss Confederacy, also known as Switzerland or the Swiss Confederacy, was a loose confederation of independent small states, initially within the Holy Roman Empire. It is the precursor of the modern state of Switzerland.
The forces of Zürich are defeated in the Second War of Kappel.
Federal Charter of 1291
Tagsatzung of 1531 in Baden (1790s drawing)