<P> A succession of ecclesiastical differences and theological disputes between the Greek East and Latin West pre-dated the formal rupture that occurred in 1054 . Prominent among these were the issues of the source of the Holy Spirit , whether leavened or unleavened bread should be used in the Eucharist , the Bishop of Rome 's claim to universal jurisdiction , and the place of the See of Constantinople in relation to the Pentarchy . </P>
<P> A succession of ecclesiastical differences and theological disputes between the Greek East and Latin West pre-dated the formal rupture that occurred in 1054 . Prominent among these were the issues of the source of the Holy Spirit , whether leavened or unleavened bread should be used in the Eucharist , the Bishop of Rome 's claim to universal jurisdiction , and the place of the See of Constantinople in relation to the Pentarchy . </P>
when did the roman catholic and eastern orthodox split
when did the roman catholic and eastern orthodox split
in 1054
in 1054