XEE4169987 The cholera in Rome: Pope Gregoire XVI (1765-1846) ordered processions, rogations and blessings to stop the march of cholera. Engraving in ???istoire des Papes-Rois-Queen and Empereurs a travers les centuries??????by Maurice Lachatre, 1863. by French School, (19th century); Private Collection; (add.info.: The cholera in Rome: Pope Gregoire XVI (1765-1846) orders processions, rogations and blessings to stop the march of cholera, Engraving in ???istory of the Pope-King-Queen-and-Emperors through the centuries??by Maurice Lachatre, 1863,); Stefano Bianchetti.