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451
The Council of Chalcedon
The Council of Chalcedon begun in AD 451 in Chalcedon, a city in Asia Minor. Not all Christians agreed with its teachings.The commencing of the council was an important step further into clarifying the creation of Christ and the orthodox belief of the Trinity. The council also set down the preliminary work for one of the most notable events in ecclesiastical history—the Great Schism. -
Period: 451 to
Church in History
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Dec 24, 1054
East-West Schism
The East–West Schism, commonly referred to as the Great Schism of 1054, is the break of communion between what are now the Eastern Orthodox and Catholic Churches, which began in the 11th century and continues to the present day. -
Dec 24, 1347
The Plague/The Black Death
The Black Death was an epidemic outbreak of bubonic plague in Europe around 1348 that killed between one-third and two-thirds of the population in less than five years. The epidemic spanned from China to England to North Africa, transmitted along the Silk Road and other trade routes. -
Dec 24, 1517
The Reformation
The religious movement in the 16th century that had for its object the reform of the Roman Catholic Church, and that led to the establishment of the Protestant churches. -
Dec 24, 1517
Martin Luther’s Publication of 95 Theses
The Ninety-five Theses or Disputation on the power of indulgences (Latin: Disputatio pro declaratione virtutis indulgentiarum) are a list of propositions for an academic disputation written by Martin Luther in 1517. They advance Luther's positions against what he saw as abusive practices by preachers selling plenary indulgences. These were certificates which would reduce the temporal punishment for sins committed by the purchaser or their loved ones in purgatory. -
Dec 24, 1545
The Council of Trent
The Council of Trent held between 1545 and 1563 in Trento (Trent) and Bologna, northern Italy, was one of the Roman Catholic Church's most important ecumenical councils. Prompted by the Protestant Reformation, it has been described as the embodiment of the Counter-Reformation. -
Dec 24, 1555
Peace of Augsburg
Augsburg, Peace of, 1555, temporary settlement within the Holy Roman Empire of the religious conflict arising from the Reformation. Each prince was to determine whether Lutheranism or Roman Catholicism was to prevail in his lands -
The First Vatican Council
This council was summoned by Pope Pius IX by the bull Aeterni patris of 29 June 1868. The first session was held in St. Peter's basilica on 8 December 1869. -
The Second Vatican Council
Vatican Council, Second. Second Vatican Council, popularly called Vatican II, 1962–65, the 21st ecumenical council (see council, ecumenical) of the Roman Catholic Church, convened by Pope John XXIII and continued under Paul VI.
