Prophet Ezekiel as depicted in the manuscript   Paris, Bibliothèque Sainte-Geneviève 21  (14 e  s.), f. 77r, https://initiale.irht.cnrs.fr/decor/52768 , CC BY-NC 3.0. According to popular piety, a mysterious letter fell directly from the sky to draw attention to Sunday observance. After remaining suspended in the air for three days, the letter descended among the faithful. It contained harsh words for those who did not attend church on Sundays. Although rightly contested by e

The synaxarion of Pope Gregory I in the manuscript Sinai Gr. 548 (10th c.), f. 142r, https://www.loc.gov/resource/amedmonastery.00279380...