: ''This article is regarding the pre-[[Great Schism|Schism]] Orthodox Church of Rome. For the post-Schism cbodybody, see [[Roman Catholic Church]].''
The '''Church of Rome''' was part of the ancient [[Pentarchy]] and the only apostolic see founded in the West. Until roughly 1054, the usual center-point for the [[Great Schism]], the Church of Rome was in [[full communion]] with the rest of the [[Orthodox Church]].