IOTL, Henry IV, who had previously been Henry III of Navarre, ascended to the throne of France in 1589. He had been a Huguenot up until then, and had fought in the French Wars of Religion, leading Protestant forces against the Royal army. However, he converted to Catholicism upon taking the throne, and would later issue the Edict of Nantes.
What if he had remained Protestant? Is that even possible?
What if he had remained Protestant? Is that even possible?