Differences and Similarities between the Christianity of Byzantine Empire and of Western European Because the Byzantine Empire and the Western Europeans could not agree on certain practices, a permanent split, or schism, took place in 1064 and created the Roman Catholic Church (which dominated western Europe) and the Eastern Orthodox Church (which dominated eastern Europe). Fill in the chart below to show the differences that led to the Great Schism and the similarities that still existed. Byzantine Empire Western Europe What church dominated this region? Eastern Orthodox Roman Catholic Where is the seat of power? Constantinople Rome Which language is used in the church service? Greek Latin Who has supreme power? Emperor Pope Who is the church leader? Patriarch Pope What are the beliefs concerning marriage of clergy? Could marry, but if they Could not marry did they could not become bishops Spokesperson of equals Superior leader What are the beliefs concerning the role of the Pope? What are the beliefs concerning icons? Banned icons, thought they were not divine What are the similarities? Both had impressive churches and believed in God Allowed icons, thought they were divine Both ranked clergy in order of importance What events led to the final break or division between the two religions? - Disagreed on the use of icons - The Pope crowned Charlemagne as Holy Roman Emperor over the Byzantine Empress - The patriarch was excommunicated by the cardinal and then he returned the favor (which he did not have the power to do).