The Très Riches Heures du Duc de Berry (French pronunciation: [tʁɛ ʁiʃz‿œʁ dy dyk də beʁi]; English: The Very Rich Hours of the Duke of Berry), or Très Riches Heures, is an illuminated manuscript that was created between c. 1412 and 1416. It is a book of hours, which is a Christian devotional book and a collection of prayers said at canonical...