Decided which books would be in the canon of the New Testament and that it was at the council that a vote was taken on whether or not Jesus was to be. The Church leaders didn't finish editing the holy scriptures until the Council of Trent when the Catholic Church pronounced the Canon closed.
Of Arles against the Donatists and the First Ecumenical Council to settle some of. Short answer no Church Council as such because the church received the already written 'canon' but bear with me as I try to retell the story under the following. The Old Testament canon was decided at least two hundred years before the Council of Jamnia This council was held in AD 90 It confirmed. The most popular Bible of the year is probably not what you think it is.