Linked from
The 17 pages that link to Second Council of Nicaea, each with the reason it gives.
IconoclasmRelated: Its ruling ended the first major Byzantine iconoclast period.
IconRelated: Its decree distinguished the veneration offered to icons from the worship owed to God.
Christian artRelated: Its rulings shaped later defenses of sacred images in Eastern Christianity.
AniconismRelated: Its decisions distinguished honoring images from worshiping them.
Veneration of saintsRelated: Its ruling supported devotional images of Christ, Mary, and the saints.