May 11 (Eastern Orthodox liturgics)
…and Naum of Preslav (910) — Disciples of Saints Cyril and Methodius and missionaries of the Slavs, Wonderworkers and Equal-to-the-Apostles. (see also: July 27 ) Saint Rostislav the Prince of Greater Moravia, Confessor of the Faith and Equal-to-the-Apostles (870) (see also: October 29…