France and the gospel
John Calvin was a Frenchman and his great work, "The Institutes of the Christian Religion", was addressed to the King of France to inform him of the true nature of the reformed faith. France was extensively evangelised during the reformation period, and many cities in France became strongly protestant.
However, this was seen as a threat to the unity and the peace of the country ("Une foi, une loi, un roi"), and war broke out, including scenes of horror like the St Bartholomew's Day massacre and the siege of La Rochelle. Many protestants left France, and gospel Christianity became limited to certain areas in the south of the country like the Cevennes, parts of Aquitaine and Savoy.
The rise of secularism following the 1789 revolution, and the prominence of atheistic philosophies in the country made France difficult soil for faith to grow in and the Catholic church declined dramatically. Paradoxically, the occult, alternative therapies and esoteric philosophi