Innocent III summary

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Roman Catholicism, Christian religion that has been the decisive spiritual force in the history of Western civilization. Along with Eastern Orthodoxy and Protestantism, it is one of the three major branches of Christianity. It is led by the pope, as the bishop of Rome, and the Holy See forms the

Christianity Summary

Christianity, major religion stemming from the life, teachings, and death of Jesus of Nazareth (the Christ, or the Anointed One of God) in the 1st century ce. It has become the largest of the world’s religions and, geographically, the most widely diffused of all faiths. It has a constituency of

Albigensian Crusade Summary

Albigensian Crusade, Crusade (1209–29) called by Pope Innocent III against the Cathari, a dualist religious movement in southern France that the Roman Catholic Church had branded heretical. The war pitted the nobility of staunchly Catholic northern France against that of the south, where the

church and state Summary

Church and state, the concept, largely Christian, that the religious and political powers in society are clearly distinct, though both claim the people’s loyalty. A brief treatment of church and state follows. For full treatment of the separation of religion and politics, see secularism. For full