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451
The Council of Chalcedon
This was a Church council held from October 8 to November 1. The council is considered to be the 4th economical council by the Great church.
It was brought together by Emperor Marcian, and approved by Pope Leo The Great. -
Dec 24, 1054
East-West Schism
Also known as "The Great Schism of 1054". This schism is commonly known because it was the communion split between the Eastern Orthodox Church and the Catholic Church, and started from 11th century, still going on to this day. The main cause of The Great Schism was because there was a argument over the authority of the Western Papacy to make rulings that affected the whole church. -
Dec 24, 1347
The Black Death/The Plague
"The Plague" is a disease that spread all over Europe, spanning from 1347-53. It has killed at least 75 million people, that is 60% of Europe. -
Dec 24, 1517
The Reformation (Martin Luther’s Publication of 95 Theses)
In this theses, Luther discussed about the excesses and corruptions of the Roman Catholic Church, especially the papal practice of asking payment- called 'indulgences". On the day, he nails a piece of paper onto the door of the Castle Church in Wittenberg, Germany. That piece of paper contained all 95 revolutionary opinions. -
Dec 24, 1545
The Council of Trent
Spanning from 1545-63. This is the 19th ecumenical council of the Roman Catholic Church. Prompted by the Reformation, it was highly important for its sweeping decrees on self-reform and for its dogmatic definitions that clarified virtually every doctrine contested by the Protestants. -
Dec 24, 1555
Peace of Augsburg
This is the first permanent legal basis for the coexistence of Lutheranism and Catholicism in Germany. The peace allowed the state of the prince to select either Lutheranism or Catholicism as the religion of their domain and permitted the free emigration of residents who dissented. -
The First Vatican Council
The 20th ecumenical council of the Roman Catholic Church, spanning from 1860-70, convoked by Pope Pius IX. The pope was referring to the rising influence of rationalism, liberalism, and materialism. -
The Second Vatican Council
This was the 21st ecumenical council and the second to be held at Saint Peter's Basilica in the Vatican. Several changes resulted from the council, including the renewal of consecrated life with a revised charism, ecumenical efforts towards dialogue with other religions.