Nicaea (325) addressed Arius, not the canon; the contrary story is a modern invention. Athanasius (367) gives the first surviving list of the twenty-seven. Hippo (393) and Carthage (397, 419) are regional African synods ratifying established usage. Trent (1546) is the first dogmatic definition for Catholics, reactive to the Reformation. At no point did a body choose among candidate books.
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