 Pope Pius VII

Pope Pius VII (14 August 1742 – 20 August 1823), born Barnaba Niccolò Maria Luigi Chiaramonti, was head of the Catholic Church and ruler of the Papal States from 14 March 1800 to his death in 1823.Chiaramonti was also a monk of the Order of Saint Benedict in addition to being a well-known theologian and bishop throughout his life.