1472 Death Joannes/Basilius Bessarion, archbishop of Nicaea, dies 787 Event Byzantine empress Irene recovers Iconclastic cult at Nicaea 787 Event 2nd Council of Nicaea (7th ecumenical council) opens in Asia Minor 325 Event Council of Nicaea ends with adoption of the Nicene Creed establishing the doctrine of the Holy Trinity 325 Event 1st Christian ecumenical council opens at Nicaea, Asia Minor
