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Gregorian reform


Isidore of Seville (c. 560—636) Spanish archbishop and Doctor of the Church

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'Nicolaitism' can also refer to...


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  • Medieval and Renaissance History (500 to 1500)


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Term drawn from the book of Revelation (2:6, 15) used to refer to priestly marriage or concubinage. It was identified during the Gregorian Reform as one of the two main ...

Subjects: Medieval and Renaissance History (500 to 1500).

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