| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Giuseppe Bondola † | Bishop of Campagna, Italy |
| Appointed | Antonio Maria Brancaccio † | Archbishop of Acerenza e Matera, Italy |
| Appointed | Vincenzo Capece † | Archbishop of Chieti, Italy |
| Born | Cornelio Caprara † | Bologna, Italy | Cardinal, Cardinal-Deacon of Ss. Cosma e Damiano |
| Appointed | Marino Carmignano † | Bishop of Cava, Italy |
| Born | André-Jean-Baptiste-Dominique de Castellane † | Poitiers | Bishop of Glandèves, France |
| Born | Isidro Alfonso Cavanillas † | Talarrubias | Bishop of Zamora, Spain |
| Appointed | Francisco Cisneros y Mendoza † | Auxiliary Bishop of Lima, Peru |
| Appointed | Francisco Cisneros y Mendoza † | Titular Bishop of Mactaris | Auxiliary Bishop of Lima, Peru |
| Died | Gregorio Compagni † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| Born | Louis-Jacques d'Audibert de Lussan † | Bain-sur-Bain | Archbishop of Bordeaux, France |
| Born | Lorenzo Despuig Cotoner † | Palma de Mallorca | Archbishop of Tarragona, Spain |
| Died | Luís da Silva Teles † | Archbishop of Évora, Portugal |
| Born | Bertrand-Jean-Baptiste-René du Guesclin † | Rennes | Bishop of Cahors, France |
| Appointed | Diego Ladrón de Guevara † | Bishop of Quito, Ecuador |
| 47.0 | Died | Kazimierz Benedykt Lezeński, O. Cist. † | Auxiliary Bishop of Warmia, Poland |
| Born | Władysław Aleksander Łubieński † | | Archbishop of Gniezno, Poland |
| 61.0 | Ordained Bishop | Diego Morcillo Rubio de Suñón de Robledo, O.SS.T. † | Bishop of León en Nicaragua | Archbishop of Lima, Peru |
| Died | Bartolomé de Ocampo y Mata † | Bishop of Plasencia, Spain |
| 50.9 | Resigned | Francesco Pignatelli (Sr.), C.R. † | Apostolic Nuncio to Poland | Cardinal, Archbishop of Napoli {Naples}, Italy |
| Died | Giuseppe Pignatelli † | Bishop of Cava, Italy |
| Born | Charles-Marie de Quélen † | Commana | Bishop of Bethléem, France |
| 56.0 | Appointed | João de Sousa † | Archbishop of Lisboa, Portugal |
| 74.1 | Resigned | Matthias Starck † | Auxiliary Bishop of Mainz, Germany | Auxiliary Bishop Emeritus |
| Born | Hervé-Nicolas Thépault de Brignou † | Morlaix | Bishop of Saint-Brieuc, France |
| 55.0 | Appointed | Francisco Zapata Vera y Morales † | Bishop of Zamora, Spain |
| 5 Jan | | Born | Paul d’Albert de Luynes † | Versailles | Cardinal, Archbishop of Sens, France |
| 34.9 | Appointed | Vincenzo Bichi † | Apostolic Nuncio to Switzerland | Cardinal, Cardinal-Bishop of Frascati |
| 14 Jan | 51.6 | Installed | André-Daniel de Beaupoil de Saint-Aulaire † | Bishop of Tulle, France | Bishop Emeritus |
| 17 Jan | | Ordained Bishop | Antonio Maria Brancaccio † | Archbishop of Acerenza e Matera, Italy |
| 21 Jan | | Ordained Bishop | Manuel de Escalante Colombres y Mendoza † | Bishop of Durango, Durango, México | Bishop of Michoacán, Michoacán, México |
| 12 Feb | 50.4 | Appointed | Johann Edmund Geduld von Jungenfeld † | Auxiliary Bishop of Mainz, Germany |
| 50.4 | Appointed | Johann Edmund Geduld von Jungenfeld † | Titular Bishop of Mallus | Auxiliary Bishop of Mainz, Germany |
| 18 Feb | | Born | Miguel da Anunciação † | | Bishop of Coimbra, Portugal |
| 19 Feb | 51.0 | Appointed | Francesco Pignatelli (Sr.), C.R. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 3 Mar | 57.2 | Appointed | Giovanni Francesco Maria Poggi † | Bishop of San Miniato, Italy |
| 4 Mar | 43.3 | Ordained Bishop | Joseph-François Gualtieri † | Bishop of Vaison, France |
| 60.1 | Installed | García Felipe de Legazpi y Velasco Altamirano y Albornoz † | Bishop of Michoacán, Michoacán, México | Bishop of Tlaxcala, Tlaxcala, México |
| 7 Mar | | Born | José Francisco Losada Quiroga † | Parroquia de Santa Eulalia de Trabazos | Bishop of Mondoñedo, Spain |
| 14 Mar | 61.2 | Appointed | Bonaventure Giffard † | Vicar Apostolic of London District, England, Great Britain |
| 15 Mar | 55.2 | Appointed | Angelo Maria Porfiri (Porfirius) † | Bishop of Alife, Italy |
| 18 Mar | 37.5 | Ordained Bishop | François-Elie de Voyer de Paulmy d'Argenson † | Bishop of Dol, France | Archbishop of Bordeaux, France |
| 25 Mar | 49.2 | Ordained Bishop | Alexandre de Chevriers de Saint-Mauris † | Bishop of Saintes, France |
| 26 Mar | 39.2 | Appointed | Franz Engelbert Barbo † | Auxiliary Bishop of Wrocław, Poland |
| 33.7 | Ordained Priest | Johann Matthias von Eyss † | Priest of Trier, Germany | Auxiliary Bishop |
| 28 Mar | 57.2 | Died | Johann Brunetti † | Auxiliary Bishop of Wrocław, Poland |
| 3 Apr | | Born | Juan Tomás de Boxadors y Sureda de San Martín, O.P. † | Barcelona, Spain | Cardinal, Cardinal-Priest of S. Sisto |
| 7 Apr | 40.3 | Ordained Priest | Bartolomeo Massei † | Priest | Cardinal, Bishop of Ancona e Numana, Italy |
| 9 Apr | | Died | Ignacio de Urbina † | Archbishop of Santafé en Nueva Granada, Colombia |
| 15 Apr | 47.9 | Ordained Bishop | George Witham † | Titular Bishop of Marcopolis | Vicar Apostolic of Northern District, England, Great Britain |
| 17 Apr | 50.6 | Ordained Bishop | Johann Edmund Geduld von Jungenfeld † | Titular Bishop of Mallus | Auxiliary Bishop of Mainz, Germany |
| 23 Apr | 44.5 | Appointed | Niccolò Caracciolo † | Cardinal, Archbishop of Capua, Italy |
| 48.3 | Appointed | Andrea Sarnelli † | Bishop of Muro Lucano, Italy |
| May | 61.3 | Died | Johann Peter Burmann † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 67.6 | Died | Godefroid-Udalric de la Margelle † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 4 May | 32.2 | Confirmed | Kaspas Ignaz Freiherr von Künigl zu Ehrenburg † | Bishop of Brixen {Bressanone}, Italy |
| 5 May | | Born | Martin du Bellay † | Clereau | Bishop Emeritus of Fréjus, France |
| 6 May | | Born | José de Bragança † | Lisboa | Archbishop of Braga, Portugal |
| 12 May | | Born | Juan Portugal de la Puebla † | Antequera, Spain | Patriarch of Constantinople, Turkey |
| 13 May | | Born | Isidoro Marín Bullón y Figueroa † | Arroyo de la Luz, Spain | Bishop of León en Nicaragua |
| 4 Jun | 49.2 | Appointed | Franz Julian Graf von Braida † | Auxiliary Bishop of Olomouc, Czech Republic |
| 49.2 | Appointed | Franz Julian Graf von Braida † | Titular Bishop of Hippos | Auxiliary Bishop of Olomouc, Czech Republic |
| 41.3 | Appointed | Pedro Francisco Levanto Vivaldo † | Auxiliary Bishop of Sevilla {Seville}, Spain | Bishop of Badajoz, Spain |
| 41.3 | Appointed | Pedro Francisco Levanto Vivaldo † | Titular Bishop of Lacedaemonia | Bishop of Badajoz, Spain |
| 5 Jun | | Died | Juan Ruano Corrionero † | Archbishop of Monreale, Italy |
| 10 Jun | 57.1 | Ordained Bishop | Étienne de Champflour † | Bishop of La Rochelle, France |
| 13 Jun | 78.9 | Died | Stephan Weinberger † | Auxiliary Bishop of Würzburg, Germany |
| 15 Jun | | Born | José Dantas Barbosa † | Lisboa, Portugal | Titular Archbishop of Lacedaemonia |
| 24 Jun | 32.3 | Ordained Bishop | Kaspas Ignaz Freiherr von Künigl zu Ehrenburg † | Bishop of Brixen {Bressanone}, Italy |
| 25 Jun | 30.7 | Appointed | Imre Csáky † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | Cardinal, Archbishop of Kalocsa, Hungary |
| 29 Jun | | Born | Manuel José Rubio y Salinas † | Colmenar Viejo, Spain | Archbishop of México, Federal District |
| 8 Jul | 41.4 | Ordained Bishop | Pedro Francisco Levanto Vivaldo † | Titular Bishop of Lacedaemonia | Bishop of Badajoz, Spain |
| 11 Jul | 72.2 | Died | Pierre de Bonzi † | Cardinal, Archbishop of Narbonne, France |
| 16 Jul | 43.4 | Appointed | Antonio Francesco Sanvitale † | Titular Archbishop of Ephesus | Cardinal, Archbishop of Urbino, Italy |
| 17 Jul | 63.5 | Died | Gregorio Solórzano Castillo † | Bishop of Avila, Spain |
| 18 Jul | | Born | Leopold Josef Hannibal Graf Petazzi de Castel Nuovo † | Wien | Bishop of Ljubljana, Slovenia |
| 26 Jul | | Born | Christophe de Beaumont du Repaire † | Château de la Roque | Archbishop of Paris, France |
| 15 Aug | 47.6 | Appointed | François de Nettancourt d'Haussonville de Vaubecourt † | Bishop of Montauban, France | Bishop Emeritus |
| 56.6 | Appointed | Charles Le Goux de la Berchère † | Archbishop of Narbonne, France |
| Appointed | Henri de Nesmond † | Archbishop of Albi, France | Archbishop of Toulouse, France |
| 25 Aug | | Born | Tomas Luiz da Conceição, O.A.D. † | Lisbonne, Portugal | Bishop of São Tomé e Príncipe |
| 26 Aug | 45.3 | Ordained Priest | Franz Arnold Reichsfreiherr von Wolf-Metternich zur Gracht † | Priest of Paderborn, Germany | Bishop |
| 3 Sep | | Born | Johann Theodor von Bayern † | Münich | Cardinal, Bishop of Regensburg, Germany |
| 10 Sep | | Born | Nicolás Gil Martínez y Malo † | Recuenca, Spain | Bishop of Santa Marta, Colombia |
| 12 Sep | 55.7 | Appointed | Charles-Marin Labbé, M.E.P. † | Titular Bishop of Titopolis | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 15 Sep | 45.3 | Appointed | Franz Arnold Reichsfreiherr von Wolf-Metternich zur Gracht † | Coadjutor Bishop of Paderborn, Germany | Bishop |
| 17 Sep | 53.7 | Appointed | Mauro de Larreátegui y Colón, O.S.B. † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 21 Sep | 23.2 | Ordained Priest | Joseph Dominikus Franz Kilian von Lamberg † | Priest of Passau, Germany | Cardinal, Bishop |
| 22 Sep | 24.1 | Ordained Priest | Jean Baptiste Gillis † | Priest of Liège, Belgium | Auxiliary Bishop |
| 26 Sep | | Born | Luis García Mañero † | Sotillo del Rincón | Archbishop of Zaragoza, Spain |
| 1 Oct | | Born | Antonio Nogueira † | Elvas | Bishop of São Tomé e Príncipe |
| 52.5 | Appointed | Maximilian Heinrich Reichsfreiherr von Weichs zu Rösberg † | Auxiliary Bishop of Hildesheim, Germany |
| 52.5 | Appointed | Maximilian Heinrich Reichsfreiherr von Weichs zu Rösberg † | Titular Bishop of Rhodopolis | Auxiliary Bishop of Hildesheim, Germany |
| 4 Oct | | Died | Leone Strozzi † | Archbishop of Firenze {Florence}, Italy |
| 9 Oct | | Born | Juan Francisco Manrique Lara † | Almoguera | Bishop of Plasencia, Spain |
| 18 Oct | | Born | Benedetto Veterani † | Urbino | Cardinal, Cardinal-Deacon of Ss. Cosma e Damiano |
| 21 Oct | 43.9 | Installed | Joseph-François Gualtieri † | Bishop of Vaison, France |
| Nov | | Ordained Bishop | Francisco Cisneros y Mendoza † | Titular Bishop of Mactaris | Auxiliary Bishop of Lima, Peru |
| 11 Nov | | Born | Jacques-Marie de Caritat de Condorcet † | Condorcet | Bishop of Lisieux, France |
| 12 Nov | | Installed | Tommaso della Gherardesca † | Archbishop of Firenze {Florence}, Italy |
| 56.9 | Confirmed | Charles Le Goux de la Berchère † | Archbishop of Narbonne, France |
| Installed | Henri de Nesmond † | Archbishop of Albi, France | Archbishop of Toulouse, France |
| 45.9 | Appointed | Johannes Werner Reichsritter von Veyder † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 45.9 | Appointed | Johannes Werner Reichsritter von Veyder † | Titular Bishop of Eleutheropolis in Palaestina | Auxiliary Bishop of Köln {Cologne}, Germany |
| 16 Nov | 69.9 | Died | Jules Mascaron † | Bishop of Agen, France |
| 18 Nov | 53.9 | Ordained Bishop | Mauro de Larreátegui y Colón, O.S.B. † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 19 Nov | 61.3 | Appointed | Simão da Gama † | Archbishop of Évora, Portugal |
| 26 Nov | 50.8 | Appointed | José Casch, O.M. † | Archbishop of Palermo, Italy |
| 37.9 | Appointed | Atanasio Esterriga Trajanáuregui † | Auxiliary Bishop of Toledo, Spain | Bishop of Mallorca, Spain |
| 37.9 | Appointed | Atanasio Esterriga Trajanáuregui † | Titular Bishop of Lycopolis | Bishop of Mallorca, Spain |
| 52.1 | Appointed | Seweryn Szczuka † | Auxiliary Bishop of Chelmno (Culma), Poland |
| 52.1 | Appointed | Seweryn Szczuka † | Titular Bishop of Ioppe | Auxiliary Bishop of Chelmno (Culma), Poland |
| 30 Nov | 50.8 | Ordained Bishop | José Casch, O.M. † | Archbishop of Palermo, Italy |
| 24.9 | Ordained Priest | Sigismund Felix Graf von Schrattenbach † | Priest of Salzburg, Austria | Bishop of Ljubljana, Slovenia |
| 10 Dec | 68.9 | Died | Armand de Béthune † | Bishop of Le Puy-en-Velay, France |
| 17 Dec | 61.0 | Appointed | Baltasar de la Peña Avilés † | Bishop of Avila, Spain |
| 51.9 | Elevated to Cardinal | Francesco Pignatelli (Sr.), C.R. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 45.6 | Appointed | Franz Arnold Reichsfreiherr von Wolf-Metternich zur Gracht † | Titular Bishop of Nicopolis in Armenia | Bishop of Paderborn, Germany |
| 45.6 | Confirmed | Franz Arnold Reichsfreiherr von Wolf-Metternich zur Gracht † | Coadjutor Bishop of Paderborn, Germany | Bishop |
| 24 Dec | 49.0 | Appointed | Claude de la Roche-Aymon † | Bishop of Le Puy-en-Velay, France |
| 30 Dec | | Ordained Bishop | Nicolás Urbano de la Mota y Haro † | Bishop of La Paz, Bolivia |