Lateran Council, Fourth
Lateran Council, Fourth, 1215, 12th ecumenical council of the Roman Catholic Church, convened at the Lateran Palace, Rome, by Pope Innocent III to crown the work of his pontificate. It was one of the most important councils ever held, and its canons sum up Innocent's ideas for the church. They include a statement of faith with a definition of transubstantiation, confirmation of all kinds of previous disciplinary canons, regulations for the trials of ecclesiastics, arrangements for a new crusade, and many other important matters. This council established the requirements of confession at least once a year and communion at Easter time as the minimum requirement for church membership, called the Easter duty.
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