The synaxarion of Pope Gregory I in the manuscript Sinai Gr. 548 (10th c.), f. 142r, https://www.loc.gov/resource/amedmonastery.00279380745-ms/?sp=145&st=single (Washington, Library of Congress) Pope Gregory I of Rome (590–604) is known in the Christian East primarily for associating his name with the Liturgy of the presanctified gifts. During Lent, this particular liturgy is celebrated on weekdays, from Monday to Friday. Improperly called a liturgy, it actually takes place