history of Christianity

The history of Christianity concerns the history of the Christian religion and the Church, from Jesus and his Twelve Apostles to contemporary times. Christianity is the monotheistic religion which considers itself based on the revelation of Jesus Christ. "The Church" is understood theologically as the institution founded by Jesus for the salvation of mankind.

Christianity began in the 1st century AD as a Jewish sect but quickly spread throughout the Greco-Roman world.

Although it was originally persecuted under the Roman empire, it would ultimately become the state religion. In the Middle Ages it spread beyond the old borders of the Empire into Northern Europe and Russia. During the Age of Exploration, Christianity expanded throughout the world; it is the world's largest religion.

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