Claim: Benedetto Barberini was appointed 20 April 1856 and his term ended 10 May 1863, the successor was Antonio Tosti (4 October 1776 – 20 March 1866)
Evidence: Benedetto Barberini (22 October 1788 – 10 April 1863) was a Catholic Cardinal and Camerlengo of the Sacred College of Cardinals. 20 April 1856 Antonio Tosti Antonio Tosti (4 October 1776 – 20 March 1866) was Catholic Cardinal-Priest of San Pietro in Montorio in Rome and later Camerlengo of the Sacred College of Cardinals and Librarian of the Vatican Library. 10 April 1863