The new piety was recognised and formalised by the Fourth Lateran Council, held at the Lateran Palace in Rome in 1215. This was one of the three most important ecumenical councils of the Catholic church, the other two being the Council of Nicaea in 325 and the Council of Trent in the sixteenth century, which considered the Catholic church’s response to Protestantism. Four hundred bishops and eight hundred other prelates and notables attended Lateran IV, which set the agenda for many aspects of Christianity and clarified and codified many areas of worship and belief. It was Lateran IV that
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