The Battle for Christendom

The fifteenth century Council of Constance ends the Catholic Church’s papal schism and sets Europe on its path to the Renaissance in this in-depth history. At the dawn of the fifteenth century, the Ottoman Empire posed an existential threat to Christian Europe. Meanwhile, the Catholic Church was in chaos, with three Popes claiming the Chair of Saint Peter and dangerous stirrings of reform. In an attempt to save the Christian world, Emperor Sigismund of the Holy Roman Empire called the nations of