... years. They had no Charlemagne, no Crusades, no armies of colonising conquerors, no inquisitions, no reformation and no rebellions. They remained intact and separated yet in intercommunion with each other. <snip> I will admit that I have minimum knowledge of the Orthodox churches. However, in the perpetuation of older architecture, ancient icons, robing of clergy and possibly ...

... each national/state Church was in -intercommunion- with all other Apostolic Christian Churches...they can decide to re-enter intercommunion any time both sides decide. ... intact and seperated yet in intercommunion with each other. These include: ... old and/or NOT in intercommunion with an Orthodox Patriarch should be avoided. Intercommunion means their bishops were consecrated by the Patriarchs and...