First Sunday of Great Lent, Celebration of The Sunday of Orthodoxy Posted on March 7, 2025 by UOCC East Commemoration of The Holy Forty Martyrs of Sebaste: Cyrion, Candidus, Domnus, Hesychius and others (320); Urpasianus of Nicomedia (circa 295); Righteous Caesarius, brother of Saint Gregory the Theologian (circa 369); Saint Tarasius of Liconium.