If you are talking about the split when the Eastern Rites split into two with half remaining with the Church, and half forming the Orthodox Churches, I don't think it is permanent, just very long lasting.
I think perhaps you are asking about the Eastern Schism when most of the Eastern Rites split into two, half remaining Catholic, and half forming what is known as the Orthodox Church. . Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is rarely used by the Catholic Church. The split is a long time running, but it cannot remain permanent, as Christ prophesized that all would come into the Catholic Church before the end of the world.
The Eastern Orthodox Church split from the Roman Catholic Church in 1054, in an event known as the Great Schism.
Christianity can be divided into three parts: the Roman Catholic Church, the Eastern Orthodox Church, and Protestantism. The Roman Catholic Church and Eastern Orthodox Church split in the 11th Century. Protestantism was born from Reformation in the 16th Century and split from the Roman Catholic Church at that time.
The Roman Catholic Church and the Eastern Orthodox Church split in 1054 due to disagreements over the authority of the Pope, theological differences, and cultural and political divisions.
The schism in the Catholic Church occurred in 1056 AD. The split resulted in the formation of the Roman Catholic Church and the Orthodox Church.
The Eastern Orthodox Church split from the Roman Catholic Church in 1054 due to disagreements over the authority of the Pope, theological differences, and cultural and political divisions between the East and West.
The Roman Catholic Church and the Eastern Orthodox Church.
The split within Christianity in the eleventh century resulted in the Church of England and the Roman Catholic Church
He did not split from the Catholic Church, he was excommunicated by the archbishop of Manila because he sent a letter to the Pope to ordaine more Filipinos as priest
Ah, not sure what you are asking here. The "Roman" Church usually is the Anglican way of referring to the Catholic Church as the Pope, who is Christ's Vicar on earth, and thus head of the Catholic Church, is the Bishop of Rome. Thus if you are using "Roman Church" in that way, it is the same thing as the Catholic Church. If you are not using Roman to refer to the Catholic Church, then you will have to reword you question as I have no idea what you're talking about.
Catholics will say that the Orthodox church split from the Catholic Church. Orthodox will say that the Catholic Church split from the Orthodox church. But yes, the two churches did split from one another.
It is called the Reformation