Famous examples of religious reforms The Buddhist councils for the clarification of the teachings of the Buddha. The First Council of Nicaea for the clarification of the doctrine of the Trinity, 325 AD. The  movement of the Muslim Muʿtazila rejected wrong traditions, 9th to 11th century . The Protestant Reformation of 1517 by Martin Luther, John Calvin and others. The introduction of the Historical-Critical Method in Christianity in the 19th and 20th century. The Second Vatican Council of the Catholic Church, 1962-1965.
Famous examples of religious reforms The Buddhist councils for the clarification of the teachings of the Buddha. The First Council of Nicaea for the clarification of the doctrine of the Trinity, 325 AD. The Muslim Muʿtazila movement of the 8th to 10th centuries . The Protestant Reformation of 1517 by Martin Luther, John Calvin and others. The introduction of the Historical-Critical Method in Christianity in the 19th and 20th century. The Second Vatican Council of the Catholic Church, 1962-1965.
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Muslim Muʿtazila
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Muslim Muʿtazila rejected wrong traditions, 9th to 11th century
8th to 10th centuries