Title: Kalendaria ecclesiae universae
Subjects: Biography, Calendar, Christian saints, Church calendar, Church history, Fasts and feasts, History, Liturgy, Orthodox Eastern Church, Slavic Christian saints
Places: Eastern Europe
People: Cyril Saint, Apostle of the Slavs (ca. 827-869), Methodius Saint, Apostle of the Slavs (ca. 825-884 or 5)