-
was a church council held from October 8 to November 1, AD 451, at Chalcedon. The Council is considered to have been the fourth ecumenical council by the Great Church.
-
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
-
The Black Death was one of the most devastating pandemics in human history, resulting in the deaths of an estimated 75 to 200 million people and peaking in Europe in the years 1346–53
-
The Council of Trent (Latin: Concilium Tridentinum), 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.
-
Second Vatican Council, 21st ecumenical council of the Roman Catholic Church (1962–65), announced by Pope John XXIII on Jan. 25, 1959, as a means of spiritual renewal for the church and as an occasion for Christians separated from Rome to join in search for reunion
-
