Rottenburg became the seat of a Catholic bishop as late as 1821–1828, when, after the secularisation and the Napoleonic Wars, a reorganisation of Catholic life in southwest Germany had become necessary.
Rottenburg postaje sjedište katoličkih biskupa tek između 1821. i 1828. kada je nakon sekularizacije i napoleonskih ratova reorganizaciran katolički život u jugozapadnoj Njemačkoj.