*ca. 1078-80 Council of Burgos reorganizes national Church of Spain as Roman Archbishopric, replaces use of Mozarabic rite with Roman. Sentences Bishops who refuse to recognize decrees to imprisonment.
*1095-1272 [[Crusades]] promise salvation to warriors from the West.
*1098 Abp. [[w:Anselm of Canterbury|Anselm of Canterbury]] completes ''[[w:Cur Deus Homo|Cur Deus Homo]]'', marking a radical divergence of Western theology of the atonement from that of the East.
*1139 [[w:Pope Innocent II|Pope Innocent II]] declared all priestly marriages annulled and declared clerical [[celibacy]] the rule for all Roman Catholic priests from that day forward ([[w:Second Council of the Lateran|Second Lateran Council]], canons 6 and 7).
*1170 Council of Constantinople, attended by many Eastern and Western Bishops, on the reunion of the Eastern and Latin Churches, without effect.<ref name=MCCLINTOCKandSTRONG491>Rev. John McClintock (D.D.),and James Strong (S.T.D.). ''Cyclopaedia of Biblical, Theological, and Ecclesiastical Literature.'' Vol. II - C, D. New York: Harper & Brothers Publishers, 1868. p. 491.</ref><ref name=PIRAEUSandDRYINOUPOLIS4>[[Andrew (Trempelas) of Dryinoupolis|Andrew of Dryinoupolis, Pogoniani and Konitsa]], and, [[Seraphim (Mentzelopoulos) of Piraeus|Seraphim of Piraeus and Faliro]]. ''[http://orthodoxinfo.com/ecumenism/epistle-to-pope-francis.pdf A Letter to Pope Francis Concerning His Past, the Abysmal State of Papism, and a Plea to Return to Holy Orthodoxy].'' HOLY AUTOCEPHALOUS ORTHODOX CATHOLIC CHURCH OF GREECE (THE HOLY METROPOLIS OF DRYINOUPOLIS, POGONIANI AND KONITSA, and, THE HOLY METROPOLIS OF PIRAEUS AND FALIRO). April 10, 2014. p. 4.</ref>