European wars of religion European wars of religion The European wars of religion were a series of religious wars waged in 16th and 17th century Europe. The wars were fought in the aftermath of the Protestant Reformation (1517), which disrupted the religious order in the Catholic countries of Europe. However, religion was not the only cause of the wars, which also included revolts, territorial ambitions, and Great Power conflicts. By the end of the Thirty Years' War (1618–1648), Catholic France was allied with the Protestant countries against the Catholic Habsburg monarchy. The wars were largely ended by the Peace of Westphalia (1648), establishing a
Eighty Years' War Roman Empire of 14 and 24 October 1648, which comprise the Peace of Westphalia, but which were not signed by the Republic, the Republic now also gained formal "independence" from the Holy Roman Empire, just like the Swiss Cantons. In both cases this was just a formalisation of a situation that had already existed for a long time. France and Spain did not conclude a treaty and so remained at war until the peace of the Pyrenees of 1659. The peace was celebrated in the Republic with sumptuous festivities. It was solemnly promulgated on the 80th anniversary of the execution