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Second Council of Lyon

Type Event Region France Time 1274

From May to July 1274 Pope Gregory X convened the fourteenth ecumenical council at Lyon, attempting a brief union with Byzantium, planning the Eighth…

Timeline

  1. 1274Lyon · Auvergne-Rhône-AlpesPope Gregory X personally presided over the opening; about five hundred bishops along with many abbots and theologians attended, and Byzantine Emperor Michael VIII sent representatives seeking reconciliation with the Roman Church.
  2. 1274Lyon · Auvergne-Rhône-AlpesThe council passed the bull of union, with the Byzantine representatives accepting Roman papal primacy and the filioque doctrine, achieving a brief church union; it also resolved to levy a crusade tax and plan an Eighth Crusade against Egypt.
  3. 1274Lyon · Auvergne-Rhône-AlpesThe council closed on 17 July, promulgating reform decrees on the appointment of bishops, clerical discipline, and electoral procedures, and stipulating that future papal elections must be completed within ten days at the residence of the College of Cardinals.

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