...ertainly wrong, for the decree is dated December 11, 1316. Foscolo places it in 1316, Troya early in 1317, and both may be right, as the year began March 25. Whatever the date of Dante's visit to Voltaire 's great Khan of Verona, or the length of his stay with him, may have been, it is certain that he was in Ravenna in 1320, and that, on his return thither from an embassy to Venice (concerning which a...