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The Council of Constantinople of 867 was a major Church Council, convened by Emperor Michael III of Byzantium and Patriarch Photios I of Constantinople in order to address several ecclesiastical issues, including the question of Papal supremacy in the Church, and the use of Filioque clause in the Creed.[1][2][3][4]
- ^ Fortescue 1907, p. 152-156.
- ^ Tougher 1997, pp. 69.
- ^ Louth 2007, pp. 171.
- ^ Siecienski 2010, pp. 103.