Title: Byzantské pojímání církevního prvenství a jednoty
Subjects: Church, Unity, Popes, Primacy, Orthodox Eastern Church
People: Cyril Saint, Apostle of the Slavs (approximately 827-869), Methodius Saint, Apostle of the Slavs (approximately 825-884 or 885), Cyril Saint, Apostle of the Slavs (827-869)