Claim: In 1960 some clubs left the Verbandsliga Südbaden but most returned in 1974.
Evidence: With the creation of the Amateurliga Schwarzwald-Bodensee in 1960, some clubs of the Südbaden leagues went across, three of those from the Amateurliga, being the FC Villingen, FC Konstanz and FC Radolfzell. Most of those returned in 1974.