With the Year of Saint Cyril and Methodius, announced by the Slovak Bishop Conference’s council, we commemorate the very origins of independent Slavic literature, necessary for the codification of the Old Church Slavonic liturgy that both missionaries succeeded in pressing in Rome by establishing an independent Moravia-Pannonia ecclesiastical province. This anniversary year gives suitable opportunity to present both Byzantine missionaries on the grounds of oldest known depictions located at the last resting places of Saint Constantine the Philosopher in San Clement Basilica in Rome. One of the greatest sights of the lower basilica is the fresco “Personal judgement of Saint Cyril&rdquo...