In the run up to the convocation there were two earlier synods, in Verdun in November 947 and in Mouzon in the beginning of 948, both considering the same problem but unable to resolve it.
synod | Holy Synod | General Synod | Synod | Synod of Bishops | Synod of Whitby | Synod of Bishops (Catholic) | Lutheran Church–Missouri Synod | Synod of Dort | Ingelheim am Rhein | Wisconsin Evangelical Lutheran Synod | Upstate New York Synod | Synod of the Norwegian Evangelical Lutheran Church in America | Synod of Constantinople | Greater Milwaukee Synod | Church of Central Africa Presbyterian - Livingstonia Synod | Synod of Pistoia | Synod of Bishops (Orthodox) | Synod of Baccanceld | Reformed Presbyterian Church, Evangelical Synod | Lutheran Church-Missouri Synod | Holy Synod (Russia) | Holy Synod of Jerusalem | General Synod of the Anglican Church of Canada | General Synod (Lutheran) | Eielsen Synod | Deanery Synod | Church of South India Synod | Cadaver Synod | 1971 Synod of Bishops |