its spread was hampered until 1533 by the opposition of the then Catholic ruling Counts of Lippe.

In 1605 Simon VI, Count of Lippe adopted Calvinism and demanded the conversion of Lemgo's citizens too using his monarchic privilege of cuius regio, eius religio. This led to a dispute with Lemgo. The city defied the edict to convert to Calvinism, leading to the Revolt of Lemgo. This religious dispute was resolved by the Peace of Röhrentrup