Barnaba Chiaramonti, Luigi Barnaba Gregorio Chiaramonti
Pius VII, Barnaba Chiaramonti, Luigi Barnaba Gregorio Chiaramonti
Italian pope from 1800 to 1823 who was humiliated by Napoleon and taken prisoner in 1809; he concluded a concordat with Napoleon and crowned him emperor of France; he returned to Rome in 1814 (1740-1823)