Second Council of Nicaea

First Council of Nicaea, which placed vernal equinox is on 21 March, but it is not possible to keep it on a single day within a reasonable system of leap

privileges" (Canons of the Council of Nicaea). Theodosian Code Archived 2007년 2월 27일 - 웨이백 머신 XVI.i.2, Medieval Sourcebook: Banning of Other Religions by

교부(Church Fathers) 기독교 비판(Criticism of Christianity) 기독교 신비주의(Christian mysticism) 니케아 공의회(First Council of Nicaea) 율법폐기론(Antinomianism) 불교(Buddhism)