The Council of London was a Catholic church council convened by Anselm, archbishop of Canterbury, on Michaelmas in 1102. It marked the first major council of his episcopate, as he had been prohibited from convening any during the reign of William the Red. Anselm took the opportunity to initiate the Gregorian Reformation, prohibiting marriage, concubinage, and drunkenness to all those in holy orders, condemning sodomy and simony, and regulating clerical dress. Anselm also obtained a resolution against the British slave trade.
Those present included John of Tours and Roger, the latter being elected to the see of Hereford by the council.
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