| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 35.9 | Appointed | François Bareau de Girac † | Bishop of Saint-Brieuc, France | Bishop Emeritus of Rennes, France |
| 34.0 | Appointed | Emmanuel-François de Bausset-Roquefort † | Bishop of Fréjus, France | Bishop Emeritus |
| 62.7 | Resigned | Martin du Bellay † | Bishop of Fréjus, France | Bishop Emeritus |
| 49.0 | Appointed | Joseph-Dominique de Cheylus † | Bishop of Cahors, France | Bishop of Bayeux, France |
| Appointed | Miguel Cilieza y Velasco † | Auxiliary Bishop of Guatemala (Santiago de Guatemala), Guatemala | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| Appointed | Miguel Cilieza y Velasco † | Titular Bishop of Adramyttium | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| Born | Francesco Saverio Dracopoli † | Chios | Bishop of Chios (Scio), Greece |
| 49.0 | Appointed | Andrzej Mikolaj Stanislaw Kostka Mlodziejowski † | Bishop of Przemyśl, Poland | Bishop of Poznań, Poland |
| Died | Matteo Testa Piccolomini † | Archbishop of Reggio Calabria, Italy |
| 28.2 | Ordained Priest | Iwo Onufry Rogowski † | Priest of Poznań, Poland | Auxiliary Bishop of Chelmno (Culma), Poland |
| 38.3 | Appointed | Jean-Marc de Royére † | Bishop of Tréguier, France | Bishop Emeritus of Castres, France |
| 23.8 | Ordained Priest | William Gregory Sharrock, O.S.B. † | Priest of Order of Saint Benedict | Vicar Apostolic of Western District, England, Great Britain |
| Died | António de Sousa † | Bishop of Porto, Portugal |
| Died | Diego Andrea Tomacelli † | Bishop of Marsico Nuovo, Italy |
| Appointed | Andrea Tortona † | Bishop of Marsico Nuovo, Italy |
| 61.0 | Died | Walenty Franciszek Wężyk † | Bishop of Przemyśl, Poland |
| 9 Jan | 71.9 | Died | Valentín Moran Menéndez, O. de M. † | Bishop Emeritus of Islas Canarias {Canary Islands}, Spain |
| 10 Jan | | Born | Louis-Guillaume-Valentin Dubourg, P.S.S. † | Cap Français, Dominican Republic | Archbishop of Besançon, France |
| 17 Jan | 66.7 | Died | Asensio Sales † | Bishop of Barcelona, Spain |
| Born | Juan Baltasar Toledano † | El Campillo | Bishop of Valladolid, Spain |
| 19 Jan | | Born | Johann Martin Manl † | Mainz | Bishop of Eichstätt, Germany |
| 20 Jan | 55.1 | Died | Francisco San Andrés, O.S.H. † | Auxiliary Bishop of Salamanca, Spain |
| 21 Jan | 51.0 | Appointed | Jean-Olivier Briand † | Bishop of Québec, Québec, Canada | Bishop Emeritus |
| 22 Jan | 45.1 | Appointed | Jerónimo Rogado de Carvalhal e Silva † | Bishop of Portalegre, Portugal | Bishop of Guarda, Portugal |
| Appointed | Girard, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon |
| 23 Jan | 70.1 | Died | Jean-François de La Cropte de Bourzac † | Bishop of Noyon, France |
| 25 Jan | | Born | Pablo Colmenares, O.S.B. † | Autol | Bishop of Lérida, Spain |
| 26 Jan | | Born | Francisco de São Luiz (Manoel Justiniano) Saraiva, O.S.B. † | Ponte de Lima, Portugal | Cardinal, Patriarch of Lisboa, Portugal |
| 63.1 | Died | Hervé-Nicolas Thépault de Brignou † | Bishop of Saint-Brieuc, France |
| 8 Feb | | Born | Jean-Paul-Gaston de Pins † | Castre | Apostolic Administrator Emeritus of Lyon (-Vienne), France |
| 10 Feb | | Born | Carlo Ravasi, O.S.B. † | Crema | Bishop of Adria, Italy |
| 22 Feb | 26.8 | Ordained Priest | Edmund Maria Josef Graf Artz von und zu Vasegg † | Priest of Trento, Italy | Auxiliary Bishop of Wien {Vienna}, Austria |
| 24.1 | Ordained Priest | Filippo Angelico Becchetti, O.P. † | Priest of Order of Friars Preachers | Bishop Emeritus of Città della Pieve, Italy |
| 23.1 | Ordained Priest | Paolo Giuseppe Solaro † | Priest | Cardinal, Bishop Emeritus of Aosta, Italy |
| 26 Feb | 39.0 | Appointed | Thomas Joseph Talbot † | Coadjutor Vicar Apostolic of Midland District, England, Great Britain | Vicar Apostolic |
| 39.0 | Appointed | Thomas Joseph Talbot † | Titular Bishop of the unknown of Titular See | Vicar Apostolic of Midland District, England, Great Britain |
| Mar | | Born | Alexander Paterson † | Pathhead | Vicar Apostolic of Eastern District, Scotland, Great Britain |
| 39.0 | Ordained Bishop | Thomas Joseph Talbot † | Titular Bishop of the unknown of Titular See | Vicar Apostolic of Midland District, England, Great Britain |
| 1 Mar | 31.3 | Appointed | Charles de Broglie † | Bishop of Noyon, France |
| 12 Mar | | Born | Francisco Javier Cienfuegos Jovellanos † | Oviedo | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 15 Mar | 38.8 | Ordained Priest | Friedrich Ludwig Franz Reichsfreiherr von Wangen zu Geroldseck † | Priest of Basel, Switzerland | Bishop |
| 23.0 | Ordained Priest | Johann Nepomuk Freiherr von Wolf † | Priest of Regensburg, Germany | Bishop |
| 16 Mar | 51.1 | Ordained Bishop | Jean-Olivier Briand † | Bishop of Québec, Québec, Canada | Bishop Emeritus |
| 18 Mar | 77.7 | Died | Diego Rivera Higuera, O. de M. † | Bishop of Barbastro, Spain |
| 4 Apr | 45.2 | Appointed | Johann Moritz Freiherr von Strachwitz † | Apostolic Administrator of Wrocław, Poland |
| Born | Pierre Trenchant, M.E.P. † | Vassy, France | Coadjutor Vicar Apostolic of Se-Ciuen, China |
| 13 Apr | | Appointed | Tommaso Battiloro † | Bishop of San Severo, Italy | Bishop Emeritus |
| 57.7 | Died | Esteban Villanova Colomer † | Bishop of Tarazona, Spain |
| 14 Apr | 30.1 | Appointed | Louis François Marc Hilaire de Conzié † | Bishop of Saint-Omer, France | Bishop of Arras, France |
| 43.6 | Appointed | Francisco Antonio de Lorenzana y Butrón † | Archbishop of México, Federal District | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 37.6 | Appointed | Basilio Tomás Sancho Hernando (de Santas Justa y Rufina), Sch. P. † | Archbishop of Manila, Philippines |
| 20 Apr | 44.1 | Ordained Bishop | Juan Molina Lario y Navarro † | Bishop of Albarracin, Spain | Bishop of Málaga, Spain |
| 22 Apr | | Born | Antoine Martinet † | Queige | Archbishop of Chambéry, France |
| 27 Apr | | Born | Vincenzo-Maria Armentano, O.P. † | Mormanno | Bishop of Mileto, Italy |
| 4 May | | Born | Pietro Giovanni Zanardi † | Fontevivo | Bishop of Guastalla, Italy |
| 11 May | 65.4 | Died | Romualdo Velarde Cienfuegos † | Bishop of Avila, Spain |
| 24 May | 23.3 | Ordained Priest | Angiolo (Angelo) Cesarini † | Priest | Titular Bishop of Milevum |
| 25.7 | Ordained Priest | Joaquim de Santa Clara Brandão (Lopes), O.S.B. † | Priest of Order of Saint Benedict | Archbishop of Évora, Portugal |
| 25 May | 40.8 | Appointed | Raymond de Durfort † | Bishop of Montpellier, France | Archbishop of Besançon, France |
| 35.9 | Appointed | Joseph-François de Malide † | Bishop of Avranches, France | Bishop of Montpellier, France |
| Born | Francesco Luigi Piervisani † | Assisi | Bishop of Nocera Umbra, Italy |
| 2 Jun | 54.0 | Appointed | Pedro Cortez y Larraz † | Archbishop of Guatemala | Bishop Emeritus of Tortosa, Spain |
| 11 Jun | 45.9 | Ordained Bishop | Francisco Antonio de la Riva Mazo † | Archbishop of Santafé en Nueva Granada, Colombia |
| 16 Jun | | Born | Gaetano Bonanni † | Roma | Bishop of Norcia, Italy |
| 19 Jun | | Born | Juan Arciniega † | Herrán | Auxiliary Bishop of Toledo, Spain |
| 22 Jun | 31.6 | Ordained Bishop | Charles de Broglie † | Bishop of Noyon, France |
| 1 Jul | 58.2 | Appointed | Aldrago Antonio de Piccardi † | Bishop of Pedena, Austria | Bishop of Senj (-Modruš), Croatia |
| 6 Jul | 85.5 | Died | Johann Christian Adam Reichsfreiherr von Königsfeld † | Titular Bishop of Erythrae |
| Born | Francesco Antonio Visocchi † | Atina | Bishop of Gallipoli, Italy |
| 17 Jul | | Born | Carlo Fontanini † | Lettisana | Bishop of Concordia, Italy |
| 18 Jul | 29.8 | Appointed | Alexandre-Angélique Talleyrand de Périgord † | Coadjutor Archbishop of Reims, France | Cardinal, Archbishop of Paris, France |
| 20 Jul | 27.4 | Ordained Priest | Jean-François Hubert † | Priest of Québec, Québec, Canada | Bishop Emeritus |
| 21 Jul | 51.3 | Appointed | Giovanni Carlo Boschi † | Cardinal-Priest of Ss. Giovanni e Paolo | Cardinal, Titular Archbishop of Atenia |
| 51.3 | Elevated to Cardinal | Giovanni Carlo Boschi † | Cardinal, Titular Archbishop of Atenia |
| 60.4 | Appointed | José Climent Avinent † | Bishop of Barcelona, Spain | Bishop Emeritus |
| 39.3 | Appointed | José González Laso Santos de San Pedro † | Bishop of Plasencia, Spain |
| 23 Jul | 32.3 | Appointed | Scipione Borghèse † | Prefect of the Prefecture of the Papal Household | Cardinal, Prefect Emeritus |
| 24 Jul | 66.4 | Died | Filippo Acciajuoli † | Cardinal, Bishop of Ancona e Numana, Italy |
| 6 Aug | 51.3 | Installed | Giovanni Carlo Boschi † | Cardinal-Priest of Ss. Giovanni e Paolo | Cardinal, Titular Archbishop of Atenia |
| 41.0 | Confirmed | Raymond de Durfort † | Bishop of Montpellier, France | Archbishop of Besançon, France |
| 10 Aug | 26.9 | Ordained Bishop | Klemens Wenzeslaus Herzog von Sachsen † | Coadjutor Bishop of Augsburg, Germany | Bishop |
| 16 Aug | | Born | Antonio Allué Sesse † | Asín de Borto | Patriarch of West Indies, Antilles |
| 17 Aug | 37.9 | Ordained Bishop | Basilio Tomás Sancho Hernando (de Santas Justa y Rufina), Sch. P. † | Archbishop of Manila, Philippines |
| 20 Aug | 63.6 | Died | Bertrand-Jean-Baptiste-René du Guesclin † | Bishop of Cahors, France |
| 22 Aug | 43.9 | Installed | Francisco Antonio de Lorenzana y Butrón † | Archbishop of México, Federal District | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 29 Aug | | Appointed | José Luis de Lila y Moreno † | Bishop of Ayacucho o Huamanga, Peru |
| 31 Aug | 36.6 | Ordained Bishop | François Bareau de Girac † | Bishop of Saint-Brieuc, France | Bishop Emeritus of Rennes, France |
| 34.7 | Ordained Bishop | Emmanuel-François de Bausset-Roquefort † | Bishop of Fréjus, France | Bishop Emeritus |
| 36.1 | Ordained Bishop | Joseph-François de Malide † | Bishop of Avranches, France | Bishop of Montpellier, France |
| 5 Sep | | Born | Maurice-Jean-Madeleine de Broglie † | Broglie, France | Bishop of Gent {Ghent, Gand}, Belgium |
| 7 Sep | 39.4 | Ordained Bishop | José González Laso Santos de San Pedro † | Bishop of Plasencia, Spain |
| 8 Sep | 66.3 | Died | Felipe Ruiz de Ausmendi † | Bishop of Santo Domingo, Dominican Republic |
| 9 Sep | 68.9 | Died | Franz Ignaz Albert Reichsfreiherr von Werdenstein † | Auxiliary Bishop of Freising, Germany |
| 15 Sep | 53.7 | Died | Johann Anton Reichsfreiherr von Wolframsdorf † | Auxiliary Bishop of Regensburg, Germany |
| 16 Sep | 60.3 | Appointed | Felipe Antonio Perales Mercado † | Bishop of Barbastro, Spain |
| 20 Sep | 24.7 | Ordained Priest | Florido Pierleoni † | Priest | Bishop of Acquapendente, Italy |
| 26 Sep | 70.7 | Appointed | Lodovico Calini † | Cardinal-Priest of S. Anastasia | Cardinal, Bishop of Crema, Italy |
| 70.7 | Elevated to Cardinal | Lodovico Calini † | Cardinal, Bishop of Crema, Italy |
| 47.3 | Appointed | José Laplana Castellón † | Bishop of Tarazona, Spain |
| 46.9 | Elevated to Cardinal | Lazzaro Opiziio Pallavicino † | Cardinal, Secretary of the Secretariat of State |
| 51.6 | Appointed | Urbano Paracciani Rutili † | Cardinal-Priest of S. Callisto | Cardinal, Archbishop of Fermo, Italy |
| 51.6 | Elevated to Cardinal | Urbano Paracciani Rutili † | Cardinal, Archbishop of Fermo, Italy |
| 2 Oct | 70.8 | Died | José Vidal de Moctezuma y Tobar, O. de M. † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 4 Oct | | Born | Giovanni Sergio † | San Stefano di Camastra | Bishop of Cefalù, Italy |
| 11 Oct | | Born | Leopold Maximilian Graf von Firmian (Frimian) † | Trento, Italy | Archbishop of Wien {Vienna}, Austria |
| 15 Oct | 31.7 | Appointed | Ignacy Błażej Franciszek Krasicki † | Coadjutor Bishop of Warmia, Poland | Archbishop of Gniezno, Poland |
| 23 Oct | | Born | Joachim-Jean-Xavier d'Isoard † | Aix-en-Provence | Cardinal, Archbishop of Lyon (-Vienne), France |
| 3 Nov | | Born | Józef Chelkowski † | Pokrzywnica | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 9 Nov | 63.9 | Died | Isidro Alfonso Cavanillas † | Bishop of Zamora, Spain |
| Born | Andrés Esteban Gómez † | Alustante | Bishop of Jaén, Spain |
| 16 Nov | 47.4 | Ordained Bishop | José Laplana Castellón † | Bishop of Tarazona, Spain |
| 60.5 | Ordained Bishop | Felipe Antonio Perales Mercado † | Bishop of Barbastro, Spain |
| 22 Nov | 53.4 | Appointed | Antonio Eugenio Visconti † | Apostolic Nuncio to Austria | Cardinal, Cardinal-Priest of S. Croce in Gerusalemme |
| 23 Nov | 60.7 | Ordained Bishop | José Climent Avinent † | Bishop of Barcelona, Spain | Bishop Emeritus |
| Dec | 44.6 | Appointed | Francesco Carafa della Spina di Traetto † | Secretary of the Congregation of Bishops and Regulars | Cardinal, Prefect |
| 1 Dec | 33.5 | Appointed | Giovanni Battista Caprara Montecuccoli † | Titular Archbishop of Iconium | Cardinal, Archbishop of Milano {Milan}, Italy |
| 31.8 | Appointed | Ignacy Błażej Franciszek Krasicki † | Titular Bishop of Verinopolis | Archbishop of Gniezno, Poland |
| 31.8 | Confirmed | Ignacy Błażej Franciszek Krasicki † | Coadjutor Bishop of Warmia, Poland | Archbishop of Gniezno, Poland |
| 54.5 | Appointed | Miguel Fernando Merino † | Bishop of Avila, Spain |
| 58.6 | Confirmed | Aldrago Antonio de Piccardi † | Bishop of Pedena, Austria | Bishop of Senj (-Modruš), Croatia |
| 30.1 | Appointed | Alexandre-Angélique Talleyrand de Périgord † | Titular Archbishop of Traianopolis in Rhodope | Cardinal, Archbishop of Paris, France |
| 30.1 | Confirmed | Alexandre-Angélique Talleyrand de Périgord † | Coadjutor Archbishop of Reims, France | Cardinal, Archbishop of Paris, France |
| 4 Dec | | Born | Jakob Frint † | Böhmisch-Kamnitz, Czech Republic | Bishop of Sankt Pölten, Austria |
| 8 Dec | 33.5 | Ordained Bishop | Giovanni Battista Caprara Montecuccoli † | Titular Archbishop of Iconium | Cardinal, Archbishop of Milano {Milan}, Italy |
| 13 Dec | 33.5 | Appointed | Giovanni Battista Caprara Montecuccoli † | Apostolic Nuncio to Germany | Cardinal, Archbishop of Milano {Milan}, Italy |
| 15 Dec | 68.3 | Died | Adam Stanisław Grabowski † | Bishop of Warmia, Poland |
| 31.9 | Succeeded | Ignacy Błażej Franciszek Krasicki † | Bishop of Warmia, Poland | Archbishop of Gniezno, Poland |
| 22 Dec | 54.1 | Appointed | Adam Ernst Bernclau von Schönreith † | Auxiliary Bishop of Regensburg, Germany |
| 54.1 | Appointed | Adam Ernst Bernclau von Schönreith † | Titular Bishop of Abila in Palaestina | Auxiliary Bishop of Regensburg, Germany |
| 66.8 | Appointed | Domenico Giordani † | Titular Patriarch of Antiochia {Antioch}, Syria |
| 23 Dec | 49.3 | Appointed | Francesco Saverio de Zelada † | Titular Archbishop of Petra in Palaestina | Cardinal, Archivist of the Vatican Secret Archives |
| 27 Dec | 30.2 | Ordained Bishop | Alexandre-Angélique Talleyrand de Périgord † | Titular Archbishop of Traianopolis in Rhodope | Cardinal, Archbishop of Paris, France |
| 28 Dec | 56.8 | Ordained Bishop | Olivier-Simon Le Bon, M.E.P. † | Titular Bishop of Metellopolis | Vicar Apostolic of Siam, Thailand |
| 49.3 | Ordained Bishop | Francesco Saverio de Zelada † | Titular Archbishop of Petra in Palaestina | Cardinal, Archivist of the Vatican Secret Archives |
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