| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Appointed | Giovanni B. Baratta † | Bishop of Novara, Italy |
| Appointed | Serafino Brancone (Branconi) † | Bishop of Gallipoli, Italy |
| Died | G. Crisostomo Calvi † | Bishop of Monte Feltre, Italy |
| Died | Sostegno Maria Cavalli † | Bishop of Gubbio, Italy |
| Died | Arcangelo Maria Ciccarelli, O.P. † | Bishop of Ugento, Italy |
| Appointed | Giacomo Costa † | Bishop of Belluno, Italy |
| 26.0 | Ordained Priest | Claude-Marc-Antoine d'Apchon de Corgenon † | Priest | Archbishop of Auch, France |
| 37.0 | Died | Ludovico Das Chagas, O.S.A. † | Bishop of São Tomé e Príncipe |
| 23.0 | Ordained Priest | Luis Tomás Esteban de Piña y Mazo, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Yucatán (Mérida), Yucatán, México |
| Born | José Antonio de la Huerta Caso † | | Bishop of León en Nicaragua |
| 67.0 | Died | Alexandre de Jouanne de Saumery † | Bishop of Rieux, France |
| Appointed | Giovanni Battista Minucci, O.F.M. Conv. † | Bishop of Policastro, Italy |
| 46.0 | Appointed | John O’Brien † | Bishop of Ross, Ireland |
| Appointed | Luca Niccolò Recco † | Bishop of Ripatransone, Italy |
| Died | Andrea de Robertis † | Bishop of Policastro, Italy |
| Died | Domenico Rosso e Colonna † | Archbishop of Palermo, Italy |
| 73.0 | Died | Agostino Saluzzo, C.M. † | Bishop of Acci and Mariana, France |
| 50.0 | Ordained Bishop | Pedro Anselmo Sánchez de Tagle † | Bishop of Durango, México | Bishop of Michoacán, Michoacán, México |
| Appointed | Dominico Maria Saporito † | Bishop of Acci and Mariana, France |
| Jan | 64.2 | Died | Plácido Bailés Padilla, O.S.A. † | Bishop of Plasencia, Spain |
| 1 Jan | | Born | Manoel de Almeida de Carvalho † | Vizeu, Portugal | Bishop of Belém do Pará, Brazil |
| 12 Jan | 56.8 | Died | Antonio Maria Pescatori, O.F.M. Cap. † | Bishop of Gallipoli, Italy |
| 15 Jan | | Born | Maria José a Santo Tomas, O.P. † | Ponte da Barca, Portugal | Prelate of Mozambico, Mozambique |
| 16 Jan | 79.8 | Died | Carlo Maria Marini † | Cardinal, Cardinal-Deacon of S. Maria in Via Lata |
| 18 Jan | | Born | Michele Di Pietro † | Albano | Cardinal, Official of the Roman Curia - Other |
| 22 Jan | 42.1 | Ordained Bishop | Charles de Grimaldi d'Antibes † | Bishop of Rodez, France |
| Born | Jean-Baptiste Marie Scipion Ruffo (Roux) de Bonneval † | Aix | Bishop Emeritus of Senez, France |
| 25 Jan | 64.4 | Died | Juan Antonio de Vizarrón y Eguiarreta † | Archbishop of México, Federal District |
| Feb | | Died | Thomas O’Beirne † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 7 Feb | 78.1 | Appointed | Jean d'Yse (d'Ize) de Saléon † | Archbishop of Vienne, France |
| 24 Feb | | Born | Maciej Pawel Mozdzeniewski † | Jordanowicz, Poland | Auxiliary Bishop of Mohilev, Belarus |
| 25 Feb | | Born | Giovanni Filippo Gallarati Scotti † | Milan, Italy | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 11 Mar | | Born | Francisco Javier Almonacid † | Talayuelas | Bishop of Palencia, Spain |
| 18 Mar | 24.1 | Ordained Priest | Francesco Ferdinando Sanseverino † | Priest | Archbishop of Palermo, Italy |
| 20 Mar | 51.2 | Died | Troiano Acquaviva d’Aragona † | Cardinal, Archbishop of Monreale, Italy |
| 21 Mar | 74.5 | Died | Giuseppe Accoramboni † | Cardinal, Bishop of Frascati, Italy |
| 84.3 | Died | Vincenzo Petra † | Cardinal, Cardinal-Bishop of Palestrina |
| 27 Mar | 57.1 | Appointed | Silvio Valenti Gonzaga † | Prefect of the Congregation for Propagation of the Faith | Cardinal, Secretary of the Secretariat of State |
| 30 Mar | | Born | Carlo Andrea Pelagallo † | Rome | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 1 Apr | 90.0 | Retired | José Espejo Cisneros † | Bishop of Calahorra y La Calzada, Spain | Bishop Emeritus |
| 63.3 | Died | Pedro Morcillo Rubio de Suñón † | Bishop of Cuzco, Peru |
| 10 Apr | 54.5 | Appointed | Alessandro Albani † | Cardinal-Deacon of S. Maria in Via Lata | Cardinal, Archivist of the Vatican Secret Archives |
| 27.1 | Appointed | Giovanni Francesco Albani † | Cardinal-Deacon of S. Cesareo in Palatio | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 27.1 | Elevated to Cardinal | Giovanni Francesco Albani † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 79.2 | Appointed | Vincenzo Bichi † | Cardinal, Cardinal-Bishop of Frascati |
| 77.1 | Appointed | Raniero d'Elci † | Cardinal-Bishop of Sabina | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 61.2 | Elevated to Cardinal | Daniele Delfino † | Cardinal, Archbishop of Udine, Italy |
| 66.0 | Appointed | Joaquín Fernández de Portocarrero Mendoza † | Cardinal-Priest of S. Cecilia | Cardinal, Cardinal-Bishop of Sabina |
| 66.2 | Appointed | Antonio Saverio Gentili † | Cardinal-Bishop of Palestrina | Cardinal, Prefect of the Congregation of the Council |
| 34.6 | Elevated to Cardinal | Carlo Vittorio Amedeo delle Lanze † | Cardinal, Prefect of the Congregation of the Council |
| 45.7 | Appointed | Frédéric-Jérôme de La Rochefoucauld † | Cardinal-Priest of S. Agnese fuori le mura | Cardinal, Archbishop of Bourges, France |
| 45.7 | Elevated to Cardinal | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 44.9 | Confirmed | Wojciech Stanisław Leski, O. Cist. † | Bishop of Chelmno (Culma), Poland |
| 60.3 | Elevated to Cardinal | José Manuel da Cámara d'Atalaia † | Cardinal, Patriarch of Lisboa, Portugal |
| 44.4 | Appointed | Tommaso Mazza † | Bishop of Ugento, Italy | Bishop of Castellammare di Stabia, Italy |
| 75.4 | Elevated to Cardinal | Álvaro Eugenio de Mendoza Caamaño y Sotomayor † | Cardinal, Patriarch of West Indies, Spain |
| 76.0 | Elevated to Cardinal | Giovanni Battista Mesmer † | Cardinal, Cardinal-Priest of S. Onofrio |
| 70.2 | Elevated to Cardinal | Mario Millini (Mellini) † | Cardinal, Cardinal-Priest of S. Marcello |
| 72.0 | Appointed | Filippo Maria de Monti † | Cardinal, Cardinal-Priest of S. Stefano al Monte Celio |
| 29.4 | Elevated to Cardinal | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Cardinal, Bishop of Strasbourg, France |
| 57.6 | Appointed | Carlo Maria Sacripante † | Cardinal-Deacon of S. Maria ad Martyres | Cardinal, Cardinal-Bishop of Frascati |
| 50.3 | Appointed | Pedro Anselmo Sánchez de Tagle † | Bishop of Durango, México | Bishop of Michoacán, Michoacán, México |
| 71.3 | Elevated to Cardinal | Raniero Felice Simonetti † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 49.2 | Elevated to Cardinal | Ferdinand Julius Graf von Troyer † | Cardinal, Bishop of Olomouc, Czech Republic |
| 12 Apr | | Born | Francisco de Cuerda † | Mora, Spain | Bishop Emeritus of Puerto Rico (Porto Rico) |
| 15 Apr | 83.0 | Died | Armand-Pierre de la Croix de Castries † | Archbishop of Albi, France |
| Born | Lodovico Lodovici da Ebulo, O.F.M. † | Ebulo | Bishop of Crotone (Cotrone), Italy |
| 23 Apr | 75.5 | Died | Henri-Osvald de La Tour d'Auvergne de Bouillon † | Cardinal, Archbishop Emeritus of Vienne, France |
| 24 Apr | | Born | José Carrión y Marfil † | Estepona, Spain | Bishop Emeritus of Trujillo, Peru |
| 1 May | 34.6 | Appointed | Dominique de La Rochefoucauld † | Archbishop of Albi, France | Cardinal, Archbishop of Rouen, France |
| 3 May | 37.3 | Appointed | Henri-Jacques de Montesquiou-Poylobon † | Bishop of Sarlat, France |
| 6 May | 69.0 | Died | Juan García Abadiano † | Bishop of Caracas, Santiago de Venezuela |
| 8 May | | Appointed | Thomas MacDermot † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 10 May | | Born | José Antonio Garnica, O.F.M. Cap. † | Barcena de Cicero | Bishop of Osma, Spain |
| 12 May | 65.1 | Resigned | Jorge Casado Torreblanca † | Bishop of Urgell, Spain | Bishop Emeritus |
| 15 May | 57.4 | Appointed | Mario Bolognetti † | Cardinal-Deacon of S. Nicola in Carcere | Cardinal, Cardinal-Deacon of S. Maria ad Martyres |
| 53.8 | Appointed | Nicola Brescia † | Bishop of San Marco, Italy |
| 64.3 | Appointed | Sebastián José Victoria Emparán y Loyola, O.S.H. † | Bishop of Urgell, Spain |
| 76.1 | Installed | Giovanni Battista Mesmer † | Cardinal-Priest of Ss. Quattro Coronati | Cardinal, Cardinal-Priest of S. Onofrio |
| 70.3 | Installed | Mario Millini (Mellini) † | Cardinal-Priest of S. Prisca | Cardinal, Cardinal-Priest of S. Marcello |
| 54.2 | Appointed | Carlo della Torre Rezzonico † | Cardinal-Priest of S. Maria in Ara Coeli | Pope (Roma {Rome}, Italy) |
| 71.4 | Installed | Raniero Felice Simonetti † | Cardinal-Priest of S. Susanna | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 57.2 | Appointed | Silvio Valenti Gonzaga † | Cardinal-Priest of S. Callisto | Cardinal, Secretary of the Secretariat of State |
| 22 May | | Born | Gioacchino Maria Mancusi (Mancuso) † | Napoli | Archbishop of Conza, Italy |
| 25 May | | Born | Joaquín Javier Uriz Lasaga † | Sada de Sangüesa | Bishop of Pamplona, Spain |
| 26 May | 66.7 | Died | St. Pedro Sanz, O.P. † | Vicar Apostolic of Fo-Kien, China |
| 27 May | 67.4 | Died | Bernard MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 29 May | 43.2 | Appointed | Sebastiano Bonaiuti † | Bishop of Monte Feltre, Italy |
| 51.4 | Appointed | Alessandro Cervini † | Archbishop of Siena, Italy |
| 34.7 | Confirmed | Dominique de La Rochefoucauld † | Archbishop of Albi, France | Cardinal, Archbishop of Rouen, France |
| 12 Jun | | Born | Angelo Antonio Anselmi † | Viterbo | Bishop of San Severino, Italy |
| 57.4 | Died | Jakob Ernst Graf von Liechtenstein-Kastelkorn † | Archbishop of Salzburg, Austria |
| 14 Jun | | Born | Joaquín Carrillo Mayoral † | Palencia | Bishop of Zamora, Spain |
| Born | Viktor Franz Anton von Glutz-Ruchti † | Solothurn | Auxiliary Bishop of Basel, Switzerland |
| 24 Jun | | Born | Pablo Sitjar Ruata † | Estana | Bishop of Barcelona, Spain |
| 25 Jun | 64.4 | Ordained Bishop | Sebastián José Victoria Emparán y Loyola, O.S.H. † | Bishop of Urgell, Spain |
| 52.2 | Ordained Bishop | Johann Philipp Anton Reichsfreiherr von Franckenstein † | Bishop of Bamberg, Germany |
| 29 Jun | 34.8 | Ordained Bishop | Dominique de La Rochefoucauld † | Archbishop of Albi, France | Cardinal, Archbishop of Rouen, France |
| 3 Jul | 49.7 | Appointed | Johannes Christoph Ludwig Reichsgraf von Kuenburg † | Auxiliary Bishop of Passau, Germany |
| 49.7 | Appointed | Johannes Christoph Ludwig Reichsgraf von Kuenburg † | Titular Bishop of Abdera | Auxiliary Bishop of Passau, Germany |
| 22.3 | Appointed | Henry Benedict Mary Clement Stuart of York † | Cardinal-Deacon of S. Maria in Portico | Cardinal, Bishop of Frascati, Italy |
| 22.3 | Elevated to Cardinal | Henry Benedict Mary Clement Stuart of York † | Cardinal, Bishop of Frascati, Italy |
| 21 Jul | 64.5 | Appointed | Francisco Antonio Bustamante Jiménez † | Bishop of Plasencia, Spain |
| Born | Camillo Campanelli † | Matelica | Bishop of Perugia, Italy |
| 24 Jul | 76.4 | Died | Kaspas Ignaz Freiherr von Künigl zu Ehrenburg † | Bishop of Brixen {Bressanone}, Italy |
| 26 Jul | | Born | Claude-François-Marie Primat † | Lyon | Archbishop of Toulouse, France |
| 28 Jul | | Born | Alexander Cameron † | Braemar, Aberdeenshire | Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 30 Jul | 49.8 | Ordained Bishop | Johannes Christoph Ludwig Reichsgraf von Kuenburg † | Titular Bishop of Abdera | Auxiliary Bishop of Passau, Germany |
| 31 Jul | 55.5 | Appointed | Francisco Castillo Vintimilla † | Bishop of Jaén, Spain |
| 34.9 | Installed | Carlo Vittorio Amedeo delle Lanze † | Cardinal-Deacon of Ss. Cosma e Damiano | Cardinal, Prefect of the Congregation of the Council |
| 3 Aug | 49.6 | Appointed | Ross Roe MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 11 Aug | 34.9 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Titular Archbishop of Nicosia | Cardinal, Prefect of the Congregation of the Council |
| 13 Aug | 59.4 | Died | João de Moreira, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 20 Aug | 83.6 | Died | Teige McCarthy Rabagh † | Bishop of Cork, Ireland |
| 22 Aug | 57.3 | Appointed | Diego Martínez Garrido, O.S. † | Titular Bishop of Trecalae | Bishop Emeritus of Cartagena, Colombia |
| 57.3 | Resigned | Diego Martínez Garrido, O.S. † | Bishop of Cartagena, Colombia | Bishop Emeritus |
| 27 Aug | 63.8 | Ordained Bishop | Anselm Franz Reichsgraf von Ingelheim † | Bishop of Würzburg, Germany |
| 57.2 | Installed | Pedro José Manuel (Pedro de la Trinidad) Martínez de Arizala, O.F.M. † | Archbishop of Manila, Philippines |
| 4 Sep | | Appointed | Pio Magnoni † | Bishop of Montepulciano, Italy |
| 57.2 | Appointed | José Cayetano Paravicino, O.F.M. † | Bishop of Trujillo, Peru |
| 7 Sep | 77.8 | Died | Johann Bernhard Mayer † | Auxiliary Bishop of Würzburg, Germany |
| 10 Sep | 58.3 | Appointed | Andreas Jakob Reichsgraf von Dietrichstein † | Archbishop of Salzburg, Austria |
| Died | Giovanni Soffietti † | Bishop of Adria, Italy |
| 11 Sep | 47.7 | Appointed | Daniel O'Reilly † | Bishop of Clogher, Ireland |
| 15 Sep | 58.8 | Died | Pedro Cáceres Casado † | Bishop of Astorga, Spain |
| 16 Sep | 55.7 | Appointed | Pedro Clemente de Aróstegui † | Archbishop (Personal Title) of Osma, Spain | Bishop |
| 17 Sep | 26.2 | Ordained Priest | Franz Xaver Reichsfreiherr von Adelmann von Adelmannsfelden † | Priest of Augsburg, Germany | Auxiliary Bishop |
| 37.7 | Ordained Bishop | Henri-Jacques de Montesquiou-Poylobon † | Bishop of Sarlat, France |
| 24 Sep | 35.1 | Ordained Bishop | Carlo Vittorio Amedeo delle Lanze † | Titular Archbishop of Nicosia | Cardinal, Prefect of the Congregation of the Council |
| 25 Sep | | Died | Luca Antonio dell Gatta † | Bishop of Melfi-Rapolla, Italy |
| Born | Antonio Vila Campos † | Ciudadela | Bishop of Albarracin, Spain |
| 28 Sep | 48.2 | Died | Philipp Ludwig von Sinzendorf † | Cardinal, Bishop of Wrocław, Poland |
| Born | Michal Mateusz Stadnicki, O.S.B.M. † | Wielka Wiesk | Bishop of Foreign Diocese |
| 2 Oct | 35.1 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Cardinal-Priest of S. Sisto | Cardinal, Prefect of the Congregation of the Council |
| 4 Oct | 62.1 | Died | João de Motta e Silva † | Cardinal, Cardinal-Priest |
| 7 Oct | 45.4 | Ordained Bishop | Wojciech Stanisław Leski, O. Cist. † | Bishop of Chelmno (Culma), Poland |
| 9 Oct | | Born | Francsco Antonio Javier de Gardoqui Arriquíbar † | Bilbao, Spain | Cardinal, Priest of Palencia, Spain |
| 15 Oct | | Born | Tadeusz Kundzicz † | Krznsew | Auxiliary Bishop of Vilnius, Lithuania |
| 18 Oct | 51.4 | Appointed | Leopold Maria Joseph Reichsgraf von Spaur † | Bishop of Brixen {Bressanone}, Italy |
| 20 Oct | | Born | Rafael Múzquiz Aldunate † | Viana | Archbishop of Santiago de Compostela, Spain |
| 21 Oct | 41.8 | Ordained Bishop | Louis-Sextius de Jarente de La Bruyère † | Bishop of Digne, France | Bishop of Orléans, France |
| 24 Oct | 47.6 | Died | Francisco Juan Leiza (de Leyva) † | Auxiliary Bishop of Tlaxcala, Tlaxcala, México |
| 25 Oct | | Born | Giuseppe Stanislao Paradiso † | Cagliari | Bishop of Ales e Terralba, Italy |
| 26 Oct | 62.6 | Died | Bernardino Ignazio Rovèro, O.F.M. Cap. † | Archbishop (Personal Title) of Novara, Italy | Bishop |
| 28 Oct | | Died | Dominique-Laurent de Balbe de Berton de Crillon † | Bishop of Glandèves, France |
| 29 Oct | 51.8 | Appointed | Jean-Marie de Catelan † | Bishop of Rieux, France |
| 5 Nov | 68.1 | Died | Gherardo Zandemaria † | Bishop of Piacenza, Italy |
| 6 Nov | | Born | Josef František Hurdalek † | Náchode | Bishop Emeritus of Litomĕrice, Czech Republic |
| 12 Nov | | Born | Pietro Luigi Rusconi † | Bologna | Auxiliary Bishop of Cesena, Italy |
| 13 Nov | 47.9 | Ordained Bishop | Daniel O'Reilly † | Bishop of Clogher, Ireland |
| 20 Nov | 38.0 | Appointed | Giacomo Cingari † | Bishop of Gubbio, Italy |
| 61.8 | Installed | Daniele Delfino † | Cardinal-Priest of S. Maria sopra Minerva | Cardinal, Archbishop of Udine, Italy |
| 53.4 | Appointed | Scipione de' Lorenzi † | Bishop of Larino, Italy |
| Dec | 27.7 | Ordained Priest | Vitaliano Borromeo † | Priest | Cardinal, Titular Archbishop of Thebae |
| 3 Dec | 41.9 | Ordained Bishop | Pedro Ponce y Carrasco † | Titular Bishop of Adramyttium | Bishop of Quito, Ecuador |
| 8 Dec | 41.9 | Appointed | Miguel de Bulhões e Souza, O.P. † | Coadjutor Bishop of Belém do Pará, Brazil | Bishop of Leiria, Portugal |
| 11 Dec | 73.3 | Died | Christoph Ignaz von Gudenus † | Auxiliary Bishop of Mainz, Germany |
| 12 Dec | 71.7 | Died | Clemente Comenge Avio † | Bishop of Ciudad Rodrigo, Spain |
| 17 Dec | | Born | Gerardo José Andrés Vázquez Parga, O. Cist. † | Pacios | Bishop of Salamanca, Spain |
| 23 Dec | 45.0 | Appointed | André-Jean-Baptiste-Dominique de Castellane † | Bishop of Glandèves, France |
| 24.1 | Ordained Priest | Berndard-Emmanuel (François-Pierre) de Lenzbourg, O. Cist. † | Priest of Order of Cistercians | Bishop of Lausanne, Switzerland |
| 26 Dec | | Born | Etienne-Marie de Boulogne † | Avignon | Bishop of Troyes, France |
| 27 Dec | | Born | Richard Luke Concanen, O.P. † | Kilbegnet, Ireland | Bishop of New York, New York, USA |
| 29 Dec | 68.0 | Died | Salvador Bermúdez y Becerra † | Archbishop of La Plata o Charcas, Bolivia |
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