| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Born | Nicolas-Joseph Dehesselle † | Charneux | Bishop of Namur {Namen}, Belgium |
| 23.6 | Ordained Priest | Denis-Antoine-Luc de Frayssinous † | Priest | Titular Bishop of Hermopolis Maior |
| 16.8 | Professed | Franz Ferdinand (Johann Franz) Fritz, O.S.B. † | Member of Order of Saint Benedict | Bishop of Hildesheim, Germany |
| 50.0 | Appointed | Francisco Gomes de Avelar † | Bishop of Faro {Algarve}, Portugal |
| 32.3 | Resigned | José Maria de Melo † | Bishop of Faro {Algarve}, Portugal | Bishop Emeritus |
| 34.8 | Ordained Priest | Alexis Potsy † | Priest | Bishop of Mukacheve (Ruthenian), Ukraine |
| 6 Jan | 51.7 | Succeeded | Franz Egon Freiherr von Fürstenberg † | Bishop of Hildesheim, Germany |
| 51.7 | Succeeded | Franz Egon Freiherr von Fürstenberg † | Bishop of Paderborn, Germany | Bishop of Hildesheim, Germany |
| 23.2 | Ordained Priest | Franciszek Borgiasz Mackiewicz † | Priest | Bishop of Foreign Diocese |
| 61.8 | Died | Friedrich Wilhelm Freiherr von Westphalen † | Bishop of Hildesheim, Germany |
| 11 Jan | 25.5 | Ordained Bishop | Pierre-François-Martial de Loménie † | Titular Archbishop of Traianopolis in Rhodope | Coadjutor Archbishop of Sens, France |
| 12 Jan | | Born | Joseph Rosati, C.M. † | Sora, Italy | Bishop of Saint Louis, Missouri, USA |
| 14 Jan | 34.9 | Ordained Bishop | Charles-Maurice de Talleyrand-Périgord † | Bishop of Autun, France | Bishop Emeritus |
| 15 Jan | | Born | Antonio María Sánchez Cid y Carrascal † | Fregenal de la Sierra | Bishop of Coria, Spain |
| 45.8 | Ordained Bishop | Johann Nepomuk Freiherr von Wolf † | Titular Bishop of Dorylaëum | Bishop of Regensburg, Germany |
| 18 Jan | 72.3 | Died | Gaspar de Bragança † | Archbishop of Braga, Portugal |
| Born | Salvador Sanz Grado † | Madriguera | Bishop of Salamanca, Spain |
| 19 Jan | 63.5 | Died | Santiago José Echaverría Nieto de Osorio y Elguera † | Bishop of Tlaxcala, Tlaxcala, México |
| 20 Jan | 46.3 | Died | Pedro Luis Ozta Múzquiz † | Bishop of Calahorra y La Calzada, Spain |
| 8 Feb | 40.9 | Ordained Bishop | Joseph Anton Gall † | Bishop of Linz, Austria |
| 24 Feb | 45.0 | Installed | François de Fontanges † | Archbishop of Toulouse, France | Bishop of Autun, France |
| 1 Mar | 40.9 | Installed | Joseph Anton Gall † | Bishop of Linz, Austria |
| 2 Mar | | Born | Mario Mirone † | Catania | Bishop of Valva e Sulmona, Italy |
| 7 Mar | 24.1 | Ordained Priest | Emmanuele Custo † | Priest | Bishop of Mazara del Vallo, Italy |
| 24.3 | Ordained Priest | Joseph Knauer † | Priest of Wrocław, Poland | Bishop |
| 23.1 | Ordained Priest | Francisco de São Luiz (Manoel Justiniano) Saraiva, O.S.B. † | Priest | Cardinal, Patriarch of Lisboa, Portugal |
| 24.4 | Ordained Priest | Wenceslas Urban von Stuffler † | Priest of Brno, Czech Republic | Bishop |
| 9 Mar | 66.5 | Elevated to Cardinal | Francisco Antonio de Lorenzana y Butrón † | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 11 Mar | | Born | António Bernardo da Fonseca Moniz † | Moncorvo | Bishop of Porto, Portugal |
| 28 Mar | 23.2 | Ordained Priest | Johann Martin Manl † | Priest of Mainz, Germany | Bishop of Eichstätt, Germany |
| 30 Mar | 55.2 | Elevated to Cardinal | Joseph Franz Anton Reichsgraf von Auersperg † | Cardinal, Bishop of Passau, Germany |
| 57.3 | Elevated to Cardinal | Stefano Borgia † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 57.6 | Elevated to Cardinal | Ignazio Busca † | Cardinal, Chamberlain (Camerlengo) of the College of Cardinals |
| 52.1 | Elevated to Cardinal | Vittorio Maria Baldassare Gaetano Costa d'Arignano † | Cardinal, Archbishop of Torino {Turin}, Italy |
| 40.0 | Appointed | Antonio Maria Doria Pamphilj † | Cardinal-Deacon of S. Maria ad Martyres | Cardinal, Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} |
| 60.5 | Appointed | Antonio Feliú y Centena † | Bishop of Santiago de Cuba |
| 52.0 | Confirmed | Adalbert Freiherr (Wilhelm Adolph Heinrich) von Harstall, O.S.B. † | Bishop of Fulda, Germany |
| 64.3 | Elevated to Cardinal | Louis-Joseph de Montmorency-Laval † | Cardinal, Bishop Emeritus of Metz, France |
| 48.3 | Appointed | José Pérez Calama † | Bishop of Quito, Ecuador |
| 54.9 | Elevated to Cardinal | Antonio Sentmanat y Castellá † | Cardinal, Patriarch of West Indies, Antilles |
| 66.9 | Appointed | Felipe José de Tres-Palacios y Verdeja † | Bishop of San Cristobal de la Habana, Cuba |
| 1 Apr | 61.7 | Resigned | Alexandre da Silva Pedrosa Guimarães † | Bishop of Macau, China | Bishop Emeritus |
| 3 Apr | 54.0 | Died | Pierre de Seguiran † | Bishop of Nevers, France |
| 8 Apr | 23.5 | Ordained Priest | Franz Arnold Melchers † | Priest of Münster, Germany | Auxiliary Bishop |
| 19 Apr | 68.3 | Died | Luis da Anunciação Azevedo, O.P. † | Bishop Emeritus of Angola e Congo, Angola |
| 62.0 | Ordained Bishop | Francisco Gabriel de Olivares y Benito † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México | Bishop of Durango, Durango, México |
| 26 Apr | 50.3 | Ordained Bishop | Francisco Gomes de Avelar † | Bishop of Faro {Algarve}, Portugal |
| 57.9 | Installed | Franz Philipp Graf von Inzaghi † | Bishop of Gradisca, Italy | Bishop of Gorizia e Gradisca, Italy |
| 1 May | 43.2 | Ordained Bishop | Angel Velarde Bustamante † | Bishop of Popayán, Colombia |
| 4 May | 69.4 | Died | Diego Martín Rodríguez, O.F.M. † | Bishop of Coria, Spain |
| 15 May | 52.2 | Ordained Bishop | Adalbert Freiherr (Wilhelm Adolph Heinrich) von Harstall, O.S.B. † | Bishop of Fulda, Germany |
| 17 May | 64.0 | Died | Marco Aurelio Balbis Bertone † | Bishop of Novara, Italy |
| 20 May | | Born | John Briggs † | Barton Moss | Bishop Emeritus of Beverley, England, Great Britain |
| 27 May | | Born | Lorenzo Simonetti † | Rome | Cardinal, Cardinal-Priest of S. Lorenzo in Panisperna |
| 6 Jun | 33.3 | Ordained Priest | Lorenzo Litta † | Priest | Cardinal, Official of the Roman Curia - Other |
| 14 Jun | 44.2 | Appointed | François de Bovet † | Bishop of Sisteron, France | Archbishop Emeritus of Toulouse, France |
| 28 Jun | 60.9 | Ordained Bishop | Fernando del Portillo y Torres, O.P. † | Archbishop of Santo Domingo, Dominican Republic | Archbishop of Santafé en Nueva Granada, Colombia |
| 12 Jul | 48.7 | Ordained Bishop | Charles-François Bailly de Messein † | Titular Bishop of Capsa | Coadjutor Bishop of Québec, Québec, Canada |
| 3 Aug | 57.7 | Appointed | Stefano Borgia † | Cardinal-Priest of S. Clemente | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 44.4 | Confirmed | François de Bovet † | Bishop of Sisteron, France | Archbishop Emeritus of Toulouse, France |
| 57.9 | Installed | Ignazio Busca † | Cardinal-Priest of S. Maria della Pace | Cardinal, Chamberlain (Camerlengo) of the College of Cardinals |
| 56.0 | Elevated to Cardinal | Ludovico Flangini Giovanelli † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 48.7 | Appointed | Joseph Christian Franz de Paula Prinz zu Hohenlohe-Waldenburg-Bartenstein † | Titular Bishop of Lerus | Bishop of Wrocław, Poland |
| 48.7 | Confirmed | Joseph Christian Franz de Paula Prinz zu Hohenlohe-Waldenburg-Bartenstein † | Coadjutor Bishop of Wrocław, Poland | Bishop |
| 66.6 | Appointed | Juan Manuel Moscoso y Peralta † | Archbishop of Granada, Spain |
| 67.6 | Appointed | Louis-Jérême de Suffren de Saint-Tropez † | Bishop of Nevers, France |
| 5 Aug | 22.5 | Ordained Priest | Valery Henryk Kamionko † | Priest | Auxiliary Bishop of Lviv, Ukraine |
| 9 Aug | | Born | Giusto Recanati, O.F.M. Cap. † | Camerino | Cardinal, Cardinal-Priest of Ss. XII Apostoli |
| 14 Aug | | Born | Ferdinando Baldanzi † | Prato | Archbishop of Siena, Italy |
| 16 Aug | 42.9 | Appointed | Jean-Charles de Coucy † | Bishop of La Rochelle, France | Archbishop of Reims, France |
| 60.9 | Ordained Bishop | Antonio Feliú y Centena † | Bishop of Santiago de Cuba |
| 17 Aug | 60.9 | Died | Jean Davoust, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 37.2 | Succeeded | Jacques-Benjamin Longer, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 18 Aug | 70.6 | Died | Giovanni Morosini † | Bishop of Verona, Italy |
| 23 Aug | 48.7 | Ordained Bishop | José Pérez Calama † | Bishop of Quito, Ecuador |
| 29 Aug | 57.7 | Ordained Bishop | Angel Mariano Moscoso Pérez y Oblitas † | Bishop of Córdoba (Tucumán), Argentina |
| Sep | 24.0 | Ordained Priest | Philibert de Bruillard † | Priest | Bishop Emeritus of Grenoble, France |
| 7 Sep | 54.7 | Died | Manuel Obellar, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 13 Sep | 44.5 | Ordained Bishop | François de Bovet † | Bishop of Sisteron, France | Archbishop Emeritus of Toulouse, France |
| 53.1 | Appointed | Charles-François d'Aviau Du Bois de Sanzay † | Archbishop of Vienne, France | Archbishop of Bordeaux, France |
| 81.4 | Died | Aldrago Antonio de Piccardi † | Bishop of Senj (-Modruš), Croatia |
| 20 Sep | 62.6 | Appointed | José Campos Julián, O.C.D. † | Archbishop of La Plata o Charcas, Bolivia |
| 27 Sep | 48.9 | Ordained Bishop | Joseph Christian Franz de Paula Prinz zu Hohenlohe-Waldenburg-Bartenstein † | Titular Bishop of Lerus | Bishop of Wrocław, Poland |
| 5 Oct | | Born | Leon Michal von Przyluski † | Strzeszynek | Archbishop of Gniezno-Poznań, Poland |
| 8 Oct | 64.6 | Died | Juan Manuel Cornel † | Bishop of Barbastro, Spain |
| 57.2 | Died | Johann Andreas Seelmann † | Auxiliary Bishop of Speyer, Germany |
| 10 Oct | 82.0 | Died | Pascual López Estaún † | Bishop of Huesca, Spain |
| 16 Oct | | Born | Louis-François Robin † | Bracquemont | Bishop of Bayeux (-Lisieux), France |
| 20 Oct | 34.1 | Appointed | Cesare Brancadoro † | Titular Archbishop of Nisibis | Cardinal, Archbishop of Fermo, Italy |
| 21 Oct | 71.8 | Died | Manoel da Ressurreição, O.F.M. † | Bishop of São Paulo, Brazil |
| 6 Nov | 54.8 | Appointed | John Carroll † | Bishop of Baltimore, Maryland, USA | Archbishop of Baltimore, Maryland, USA |
| 15 Nov | | Born | Leonardo Todisco Grande † | Bisceglie | Bishop of Ascoli Satriano e Cerignola, Italy |
| 29 Nov | | Born | William Dollard (Dullard) † | Bathkyram, Ireland | Bishop of Saint John in America, New Brunswick, Canada |
| 7 Dec | 73.4 | Died | Emmanuel Ernst Reichsgraf von Waldstein † | Bishop of Litomĕrice, Czech Republic |
| 8 Dec | | Born | Louis Rossat † | Lyon | Bishop of Verdun, France |
| 9 Dec | | Born | Louis Rendu † | Meyrin près Genève | Bishop of Annecy, France |
| 11 Dec | 28.9 | Professed | Jean-Jacques Guérard, M.E.P. † | Priest of La Société des Missions Etrangères | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 14 Dec | 43.2 | Confirmed | Jean-Charles de Coucy † | Bishop of La Rochelle, France | Archbishop of Reims, France |
| 53.4 | Confirmed | Charles-François d'Aviau Du Bois de Sanzay † | Archbishop of Vienne, France | Archbishop of Bordeaux, France |
| Appointed | Marcelino José Da Silva † | Bishop of Macau, China | Bishop Emeritus |
| 56.4 | Installed | Ludovico Flangini Giovanelli † | Cardinal-Deacon of Ss. Cosma e Damiano | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 46.6 | Appointed | Bartolomé María de las Heras Navarro † | Bishop of Cuzco, Peru | Archbishop of Lima, Peru |
| 54.7 | Appointed | Victoriano López Gonzalo † | Bishop of Cartagena (en España) |
| 52.0 | Appointed | Franciscus Josephus Mikolitsch † | Auxiliary Bishop of Ljubljana, Slovenia |
| 52.0 | Appointed | Franciscus Josephus Mikolitsch † | Titular Bishop of Gratianopolis | Auxiliary Bishop of Ljubljana, Slovenia |
| 19 Dec | 25.4 | Ordained Priest | Paul Louis Joseph D'Hautpoul † | Priest | Bishop Emeritus of Cahors, France |
| 21 Dec | | Born | Raffaele Purpo † | Sorrento | Bishop of Pozzuoli, Italy |
| 29 Dec | 75.0 | Died | Jean-Georges Lefranc de Pompignan † | Archbishop of Vienne, France |
| 30 Dec | 50.2 | Died | Max Polykarp Reichsgraf von Törring-Jettenbach † | Bishop of Regensburg, Germany |
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