"[T]he emperor[...] convened a council of 318 bishops[...] in the city of Nicaea[...] They passed certain ecclesiastical canons at the council besides, and at the same time decreed in regard to the Passover [i.e., Easter] that there must be one unanimous concord on the celebration of God's holy and supremely excellent day. For it was variously observed by people; some kept it early, some between [the disputed dates], but others late. And in a word, there was a great deal of controversy at that time."