Solemnities, Feasts, and Memorials are days which are celebrated in commemoration of the sacred mysteries and events recorded in the history of our redemption, in memory of the Virgin Mother of Christ, or of His apostles, martyrs, and saints.
About the image: Adoration of the Shepherds, by Gerard van Honthorst (1592-1656), part of the Pomeranian State Museum collection in Greifswald, Western Pomerania.