South German City League (Chaos)

The Süddeutscher Städtebund (South German City League) formed during the years 1375-78. Most important members were Augsburg, Ulm, Reutlingen, Heilbronn and Strassburg. Various South German princes, led by those of and, fought them. With the help of the Swiss, the cities stayed victorious, and other than in OTL, their alliance wasn't interdicted by the Roman king. In this war, the Habsburgs lost most of their territories except with the Black Forest.

In the 1421/22, the  proved unable to force  and its allies of the South German City League back into the fold.

During the, they overwhelmed and conquered the last Habsburg lands. Since then, they practically stopped caring about the HRE, and gradually became a part of (Lower) Switzerland.