Victoria and Christina discuss perhaps the most historically relevant saints yet, teachers Methodius and Cyril.
Sources:
Wikipedia - https://en.wikipedia.org/wiki/Saints_Cyril_and_Methodius
Catholics Online - https://www.catholic.org/saints/saint.php?saint_id=39
Orthodox Wiki - https://orthodoxwiki.org/Cyril_and_Methodius
Archeparchy of Pittsburgh - https://www.archpitt.org/ss-cyril-and-methodius-the-apostles-and-teachers-of-the-ruthenian-people/
Franciscan Media - https://www.franciscanmedia.org/saint-of-the-day/saints-cyril-and-methodius