April 21 (Eastern Orthodox liturgics) - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/April_21_(Eastern_Orthodox_liturgics)
Jump to Saints - Martyrs Theodore of Perge in Pamphylia, his mother Philippa, and Dioscorus, ... Saint Maximianus, Archbishop of Constantinople (434) ...
CALENDAR OF FEAST DAYS - Catholic Tradition
www.catholictradition.org/Saints/feast-days.htm
Feast of the Chair of St. Peter of Rome--------January 18. Sts. Marius, Martha and Sons, Martyrs,--------January 19. St. Canute, King and Martyr--------January 19