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Papal States: Heads of State: 1814-1849
Delegato Apostolico
11 May 1814 - 24 May 1814 Agostino Rivarola
Sommo Pontefice
24 May 1814 - 20 Aug 1823 Pius VII :: Pio VII [1]
  name: Barnaba Nicolò Maria Luigi Chiaramonti (from 1785 cardinal Chiaramonti); in religion: Gregorio
  elected: 14 Mar 1800; installed: 21 Mar 1800
Sacro Collegio del Cardinali: Decano del Sacro Collegio dei Cardinali (ex officio)
20 Aug 1823 - 28 Sep 1823 Giulio Maria della Somaglia [2]
Sommo Pontefice
28 Sep 1823 - 10 Feb 1829 Leo XII :: Leone XII
  name: Annibale Francesco Clemente Melchiorre Girolamo Nicola della Genga (from 1816 cardinal della Genga)
  elected: 28 Sep 1823; installed: 5 Oct 1823
Sacro Collegio del Cardinali: Decano del Sacro Collegio dei Cardinali (ex officio)
10 Feb 1829 - 31 Mar 1829 Giulio Maria della Somaglia 
Sommo Pontefice
31 Mar 1829 - 30 Nov 1830 Pius VIII :: Pio VIII
  name: Francesco Saverio Maria Felice Castiglioni (from 1816 cardinal Castiglioni)
  elected: 31 Mar 1829; installed: 5 Apr 1829
Sacro Collegio del Cardinali: Decano del Sacro Collegio dei Cardinali (ex officio)
30 Nov 1830 - 2 Feb 1831 Bartolomeo Pacca
Sommo Pontefice
2 Feb 1831 - 1 Jun 1846 Gregorius XVI :: Gregorio XVI
  name: Bartolomeo Alberto Cappellari (from 1825 cardinal Cappellari); in religion: Mauro
  elected: 2 Feb 1831; installed: 6 Feb 1831
Sacro Collegio del Cardinali: Decano del Sacro Collegio dei Cardinali (ex officio)
1 Jun 1846 - 16 Jun 1846 Ludovico Micara
Sommo Pontefice
16 Jun 1846 - 24 Nov 1848 Pius IX :: Pio IX [3]
  name: Giovanni Maria Battista Pietro Pellegrino Isidoro Mastai-Ferretti (from 1839 cardinal Mastai-Ferretti)
  elected: 16 Jun 1846; installed: 21 Jun 1846
Suprema Giunta di Stato [4]
20 Dec 1848 - before 29 Dec 1848 Tommaso principe Corsini
20 Dec 1848 - 29 Dec 1848 Francesco Camerata
20 Dec 1848 - 29 Dec 1848 Giuseppe Galletti
Commissione Provvisoria di Governo dello Stato Romano [5]
29 Dec 1848 - 5 Feb 1849 Carlo Emanuele Muzzarelli
29 Dec 1848 - 5 Feb 1849 Carlo Armellini
29 Dec 1848 - 5 Feb 1849 Federico Galeotti
29 Dec 1848 - 5 Feb 1849 Livio Mariani
29 Dec 1848 - 5 Feb 1849 Pietro Sterbini
29 Dec 1848 - 5 Feb 1849 Pompeo Campello

[1] Arrived to Rome and re-assumed the temporal government of the Papal States on 24 May 1814.
[2] Baptized: Giulio Cesare.
[3] Left Rome on 24 Nov 1848, taking refuge in the Kingdom of the Two Sicilies.
[4] Appointed by the Chamber of Deputies (Consiglio dei deputati) on 11 Dec 1848 to govern in the name of Pius IX who refused to recognize the legality of this body. The members of the Council took their offices on 20 Dec 1848. Corsini resigned shortly before 29 Dec 1848 when Commissione Provvisoria di Governo effectively took over the government. The resignations of Camerata and Galletti were announced on 3 Jan 1849.
[5] The Commission announced the termination of its functions on 5 Feb 1849 at the meeting of the Constituent Assembly (Assemblea Costituente Romana). The members were authorized to continue in office as individual ministers on 8 Feb 1849.
Last update: 29 Nov 2023
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