The split, the Great Schism of 1054, led to the development of the modern Roman Catholic and Eastern Orthodox churches. The Great Western Schism occurred in in Western Christendom from 1378 - 1417. In 1378 the papal court was based in Rome and an Italian was elected pope as Pope Urban VI.
Regarding this, what is the meaning of the great schism?
Great Schism. the division or conflict in the Roman Catholic Church from 1378 to 1417, when there were rival popes at Avignon and Rome. also called Schism of the West. the separation of the Eastern Church from the Western Church, traditionally dated 1054.
What is the great schism?
The East–West Schism, also called the Great Schism and the Schism of 1054, was the break of communion between what are now the Catholic Church and Eastern Orthodox churches, which has lasted since the 11th century.
What were the main historical causes of the split between the Eastern and Western churches?
Charlemagne's crowning made the Byzantine Emperor redundant, and relations between the East and the West deteriorated until a formal split occurred in 1054. The Eastern Church became the Greek Orthodox Church by severing all ties with Rome and the Roman Catholic Church — from the pope to the Holy Roman Emperor on down.