Saint Gregory of Dekapolis or Gregory Dekapolites was a 9th-century Byzantine monk, notable for his miracle-working and his travels across the Byzantine world. He is known as "the New Miracle-Worker", and his feast day in the Eastern Orthodox Church and Roman Catholic Church is on November 20.
Miniature of Saint Gregory of Dekapolis, from the Menologion of Basil II, ca. 985
November 20 (Eastern Orthodox liturgics)
November 19 - Eastern Orthodox liturgical calendar - November 21
Entry into the Temple of the Most Holy Theotokos.
Martyr Dasius of Dorostolum.
Hieromartyrs Nerses and Joseph, Bishops of Persia.
Saint Proclus of Constantinople.