| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Miguel Álvarez de Toledo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 32.0 | Appointed | Giovanni Battista Braschi † | Bishop of Sarsina, Italy | Bishop Emeritus |
| Born | Charles-François-Alexandre Cardevac de Gouy d'Havrincourt † | Bonchy | Bishop of Perpignan-Elne, France |
| Appointed | Giovanni Cito † | Bishop of Lettere-Gragnano, Italy |
| Resigned | Michelangelo Cotignola † | Bishop of Ischia, Italy | Bishop Emeritus |
| Appointed | Gaetano De Andrea, C.R. † | Bishop of Monopoli, Italy |
| Died | Juan Francisco de Padilla y San Martín, O. de M. † | Bishop of Santa Cruz de la Sierra, Bolivia |
| Appointed | Carlo Loffredo, C.R. † | Archbishop of Capua, Italy |
| 44.0 | Appointed | Benito Madueño y Ramos † | Auxiliary Bishop of Toledo, Spain |
| 44.0 | Appointed | Benito Madueño y Ramos † | Titular Bishop of Sion | Auxiliary Bishop of Toledo, Spain |
| Born | Ross Roe MacMahon (McMahon) † | Enagh | Archbishop of Armagh, Ireland |
| Resigned | Victor-Augustin Méliand (Melrand) † | Bishop of Alet, France | Bishop Emeritus |
| Born | José Morales Blanco † | Fuente la Encina | Bishop of Palencia, Spain |
| 36.3 | Appointed | Francesco Morgioni † | Bishop of Ruvo, Italy | Bishop of Minori, Italy |
| Born | Louis-François Néel de Christot † | Rouen | Bishop of Sées, France |
| Died | Francisco Núñez de la Vega, O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| Born | Józef Pawlowski † | | Auxiliary Bishop of Poznań, Poland |
| Died | Vincenzo Maria de Rossi † | Bishop of Penne-Atri, Italy |
| Appointed | José de Sousa Castelo Branco † | Bishop of Funchal, Portugal |
| Resigned | Francesco di Sobre Casas, O.P. † | Archbishop of Cagliari, Italy | Archbishop Emeritus |
| Appointed | Cesare Sperelli † | Bishop of Terni, Italy | Bishop Emeritus |
| Appointed | Michele Gallo Vandeinde † | Bishop of Capri, Italy |
| Appointed | Alessandro Varano † | Bishop of Macerata-Tolentino, Italy |
| 7 Jan | 34.8 | Appointed | Giulio Piazza † | Apostolic Nuncio to Switzerland | Cardinal, Archbishop (Personal Title) of Faenza, Italy |
| 8 Jan | 53.1 | Died | Claude Le Tonnelier de Breteuil † | Bishop of Boulogne (-Sur-Mer), France |
| 17 Jan | | Died | Giovanni Battista Pallotta † | Bishop of Foligno, Italy |
| 20 Jan | 81.1 | Died | Giannicolò Conti † | Cardinal, Bishop of Ancona e Numana, Italy |
| Born | Ferdinand Julius Graf von Troyer † | Bressanone | Cardinal, Bishop of Olomouc, Czech Republic |
| 24 Jan | | Born | Felipe Martín Ovejero † | Villamartín | Bishop of Oviedo, Spain |
| 81.1 | Appointed | John O'Mollony † | Bishop of Limerick, Ireland |
| 26 Jan | 64.1 | Died | François-Ignace de Baglion du Saillant † | Bishop of Poitiers, France |
| 27 Jan | 72.7 | Appointed | Gasparo Carpegna † | Cardinal-Bishop of Sabina | Cardinal, Prefect of the Roman Curia - Other |
| 63.1 | Appointed | Luis Manuel Fernández de Portocarrero-Bocanegra y Moscoso-Osorio † | Cardinal-Bishop of Palestrina | Cardinal, Archbishop of Toledo, Spain |
| 54.1 | Appointed | Carlo Giuseppe Morozzo, O. Cist. † | Bishop of Saluzzo, Italy |
| 74.6 | Appointed | Paluzzo Paluzzi Altieri Degli Albertoni † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Archbishop Emeritus of Ravenna, Italy |
| 46.8 | Appointed | Fabrizio Paolucci † | Archbishop (Personal Title) of Ferrara, Italy | Cardinal, Prefect of the Roman Curia - Other |
| 29 Jan | | Died | Ernst August von Braunschweig-Lüneburg † | Bishop of Osnabrück, Germany |
| Feb | 42.1 | Appointed | Antoine Girard de La Bornat (La Bournat) † | Bishop of Boulogne (-Sur-Mer), France | Bishop of Poitiers, France |
| 2 Feb | 38.1 | Ordained Priest | Jan Kazimierz de Alten Bokum † | Priest of Przemyśl, Poland | Bishop of Chelmno (Culma), Poland |
| 9 Feb | 25.2 | Ordained Priest | Joseph Anton Reichfreiherr von Delmestri von Schönberg † | Priest of Trieste, Italy | Bishop |
| 17 Feb | 33.4 | Installed | Henri-Charles du Camboust de Coislin † | Bishop of Metz, France |
| 24 Feb | 27.9 | Ordained Priest | Pantaleon Bruns, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop of Paderborn, Germany |
| 28 Feb | | Born | Siegmund Christoph Graf von Schrattenbach † | Graz | Archbishop of Salzburg, Austria |
| 4 Mar | 68.2 | Died | Jan Stanisław Witwicki † | Bishop of Poznań, Poland |
| 8 Mar | | Born | Pierre-Jules-César de Rochechouard-Montigny † | Montigny | Bishop Emeritus of Bayeux, France |
| 10 Mar | 32.7 | Confirmed | Denis-François Bouthillier de Chavigny † | Bishop of Troyes, France | Archbishop of Sens, France |
| 37.4 | Appointed | Gianantonio Davia † | Archbishop (Personal Title) of Rimini, Italy | Cardinal, Bishop Emeritus |
| 15 Mar | 24.8 | Ordained Priest | Johann Anton Wallreuther † | Priest of Mainz, Germany | Auxiliary Bishop of Worms, Germany |
| 24 Mar | 42.9 | Appointed | Michelangelo dei Conti † | Apostolic Nuncio to Portugal | Pope (Roma {Rome}, Italy) |
| 29 Mar | 43.2 | Appointed | Jean-Baptiste-Armand Bazin de Besons † | Archbishop of Bordeaux, France | Archbishop of Rouen, France |
| 35.8 | Appointed | Louis-Gaston Fleuriau d'Armenonville † | Bishop of Aire, France | Bishop of Orléans, France |
| Apr | 42.3 | Appointed | Antoine Girard de La Bornat (La Bournat) † | Bishop of Poitiers, France |
| 3 Apr | 53.3 | Died | Johann Franz Christoph Freiherr von Talmberg † | Bishop of Hradec Králové, Czech Republic |
| 5 Apr | | Appointed | Muzio Gaeta (Sr.) † | Archbishop of Capua, Italy |
| Born | Charles de Saint-Albin † | Paris | Archbishop of Cambrai, France |
| 7 Apr | 39.7 | Installed | Giorgio Cornaro † | Cardinal-Priest of Ss. XII Apostoli | Cardinal, Bishop of Padova {Padua}, Italy |
| 47.3 | Appointed | Manuel Plácido de Quirós de Porras, O.S.B. † | Bishop of Antequera, Oaxaca, México |
| 67.6 | Confirmed | Johann Martin Reichsritter von Eyb † | Bishop of Eichstätt, Germany |
| 40.1 | Confirmed | François de Mailly † | Archbishop of Arles, France | Cardinal, Archbishop of Reims, France |
| 34.6 | Appointed | Tommaso Ruffo † | Titular Archbishop of Nicaea | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 82.5 | Appointed | Giambattista Spínola (Sr.) † | Cardinal-Priest of S. Maria in Trastevere | Cardinal, Archbishop Emeritus of Genova, Italy |
| 13 Apr | 34.6 | Ordained Bishop | Tommaso Ruffo † | Titular Archbishop of Nicaea | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 14 Apr | 17.4 | Appointed | Karl Joseph Ignaz Herzog von Lothringen † | Bishop of Osnabrück, Germany | Archbishop-Elect of Trier, Germany |
| 20 Apr | 32.8 | Ordained Bishop | Denis-François Bouthillier de Chavigny † | Bishop of Troyes, France | Archbishop of Sens, France |
| 26 Apr | | Born | Diego Antonio de Parada † | Huete, Spain | Archbishop of Lima, Peru |
| 54.1 | Appointed | Pierre de Langle † | Bishop of Boulogne (-Sur-Mer), France |
| 1 May | | Born | Jacques-Bonne Gigault de Bellefonds † | Château de Montifray, Beaumont-la-Roche | Archbishop of Paris, France |
| 83.3 | Died | Antoine-Pierre de Grammont, O.S.B. † | Archbishop of Besançon, France |
| 11 May | 40.2 | Ordained Bishop | François de Mailly † | Archbishop of Arles, France | Cardinal, Archbishop of Reims, France |
| 16 May | 45.0 | Installed | Vincenzo Grimani † | Cardinal, Cardinal-Deacon of S. Eustachio |
| 47.6 | Appointed | Johann Peter von Quentell † | Auxiliary Bishop of Strasbourg, France | Auxiliary Bishop of Münster, Germany |
| 47.6 | Appointed | Johann Peter von Quentell † | Titular Bishop of Hadrianopolis in Epiro | Auxiliary Bishop of Münster, Germany |
| 24 May | 34.2 | Ordained Priest | Manuel Tercero Rozas, O.S.A. † | Priest of Order of St. Augustine | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 5 Jun | | Born | Giuseppe Filippo Porporato † | Piasco | Bishop of Saluzzo, Italy |
| 6 Jun | 50.4 | Appointed | Andrzej Chryzostom Załuski † | Bishop of Warmia, Poland |
| 8 Jun | 67.8 | Ordained Bishop | Johann Martin Reichsritter von Eyb † | Bishop of Eichstätt, Germany |
| 20 Jun | | Born | Juan Antonio Oruña † | Colindres | Bishop of Osma, Spain |
| 26 Jun | 46.5 | Confirmed | David-Nicolas Bertier † | Bishop of Blois, France |
| 29 Jun | 28.5 | Ordained Priest | Gottfried Reichsritter Langwerth von Simmern † | Priest of Regensburg, Germany | Auxiliary Bishop |
| 75.1 | Died | Paluzzo Paluzzi Altieri Degli Albertoni † | Cardinal, Archbishop Emeritus of Ravenna, Italy |
| 30 Jun | 40.9 | Resigned | Marcello d'Aste † | Secretary of the Congregation of Bishops and Regulars | Cardinal, Apostolic Nuncio to Germany |
| 7 Jul | | Died | Giacinto Trucchi, O.P. † | Bishop of Ivrea, Italy |
| 8 Jul | | Born | Nicolò Maria Antonelli † | Pergola | Cardinal, Cardinal-Priest of Ss. Nereo ed Achilleo |
| 15 Jul | | Born | Johann Karl Leopold Graf von Scherffenberg † | Langenwang | Auxiliary Bishop of Olomouc, Czech Republic |
| 17 Jul | 68.1 | Appointed | Carlo Barberini † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 21 Jul | 54.9 | Appointed | Emmanuel-Theódose de la Tour d'Auvergne de Bouillon † | Bishop of Porto e Santa Rufina, Italy | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 54.9 | Appointed | Emmanuel-Theódose de la Tour d'Auvergne de Bouillon † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 40.2 | Appointed | Giovanni Francesco Barbarigo † | Bishop of Verona, Italy | Cardinal, Bishop of Padova {Padua}, Italy |
| 43.6 | Confirmed | Jean-Baptiste-Armand Bazin de Besons † | Archbishop of Bordeaux, France | Archbishop of Rouen, France |
| 55.8 | Appointed | Giulio Della Rosa † | Bishop of Borgo San Donnino, Italy |
| 65.6 | Appointed | Francesco Martelli † | Cardinal, Titular Patriarch of Gerusalemme {Jerusalem}, Palestine |
| 22 Jul | 54.4 | Confirmed | Pierre de Langle † | Bishop of Boulogne (-Sur-Mer), France |
| 13 Aug | | Appointed | Giuseppe Migliaccio † | Archbishop of Messina, Italy |
| 14 Aug | | Died | Francisco de Aguiar y Seijas y Ulloa † | Archbishop of México, Federal District |
| 16 Aug | | Died | Mathurin Savary † | Bishop of Sées, France |
| 17 Aug | 40.3 | Ordained Bishop | Giovanni Francesco Barbarigo † | Bishop of Verona, Italy | Cardinal, Bishop of Padova {Padua}, Italy |
| Appointed | François-Joseph de Grammont † | Archbishop of Besançon, France |
| 25 Aug | | Appointed | Alessandro Lambert † | Bishop of Ivrea, Italy |
| 31 Aug | 24.2 | Ordained Priest | Francesco Maria Pallavicini † | Priest | Titular Patriarch of the Titular See |
| 3 Sep | | Born | Adam Stanisław Grabowski † | Grabowo | Bishop of Warmia, Poland |
| 7 Sep | | Confirmed | François-Joseph de Grammont † | Archbishop of Besançon, France |
| 15 Sep | | Appointed | Ambrogio Croce, O.S.B. † | Bishop of Bobbio, Italy |
| 44.9 | Appointed | Daniello Marco Delfino † | Archbishop (Personal Title) of Brescia, Italy | Cardinal, Bishop |
| 70.6 | Appointed | César d'Estrées † | Cardinal-Bishop of Albano | Cardinal, Bishop Emeritus of Laon, France |
| 38.7 | Appointed | Orazio Filippo Spada † | Titular Archbishop of Thebae | Cardinal, Bishop of Osimo, Italy |
| Appointed | Giulio Troili † | Bishop of Foligno, Italy |
| 23 Sep | 62.6 | Appointed | Gottfried Freiherr Kapaun von Swoykow † | Bishop of Hradec Králové, Czech Republic |
| 28 Sep | | Born | Claude-Louis de La Chatre † | Paris | Bishop of Agde, France |
| 29 Sep | 17.8 | Confirmed | Karl Joseph Ignaz Herzog von Lothringen † | Bishop of Osnabrück, Germany | Archbishop-Elect of Trier, Germany |
| 30 Sep | | Born | Ignazio Michele Crivelli † | Cremona | Cardinal, Titular Archbishop of Caesarea in Cappadocia |
| Oct | | Died | Michele Maria Dentice † | Bishop of Mottola (Motula), Italy |
| 7 Oct | | Born | Michal Ignacy Kunicki † | Czulczyce | Auxiliary Bishop of Kraków, Poland |
| 12 Oct | 24.7 | Ordained Priest | Stephan Cloth, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop of Fulda, Germany |
| Born | Emmanuel-Henri-Timoléon de Cossé-Brissac † | Paris | Bishop of Condom, France |
| 19 Oct | 42.8 | Ordained Bishop | Antoine Girard de La Bornat (La Bournat) † | Bishop of Poitiers, France |
| 20 Oct | 52.8 | Appointed | Alvaro Benavente, O.S.A. † | Vicar Apostolic of Kiam-Si {Kiangsi}, China |
| 52.8 | Appointed | Alvaro Benavente, O.S.A. † | Titular Bishop of Ascalon | Vicar Apostolic of Kiam-Si {Kiangsi}, China |
| 27 Oct | 65.0 | Died | Johann Philipp Burkard † | Auxiliary Bishop of Speyer, Germany |
| 1 Nov | 31.0 | Appointed | Louis d'Aquin † | Bishop of Sées, France |
| 45.4 | Appointed | André-Hercule de Fleury † | Bishop of Fréjus, France | Cardinal, Bishop Emeritus |
| Appointed | Charles-Nicolas Taffoureau de Fontaine † | Bishop of Alet, France |
| 8 Nov | | Born | Alberico Archinto † | Milan | Cardinal, Cardinal-Priest of S. Lorenzo in Damaso |
| 13 Nov | 61.9 | Died | Gines (Ginesio) Barrientos, O.P. † | Auxiliary Bishop of Manila, Philippines |
| 24 Nov | | Died | Antonio de Arrigaga y Agüero, O.S.A. † | Bishop of Yucatán (Mérida), Yucatán, México |
| 52.6 | Appointed | Benito de Sala y de Caramany, O.S.B. † | Cardinal, Bishop of Barcelona, Spain |
| 25 Nov | | Died | Nicolás Delgado, O.F.M. † | Bishop of León en Nicaragua |
| 3 Dec | | Appointed | Fabrizio Maffei † | Bishop of Penne-Atri, Italy |
| 8 Dec | | Born | Domenico Anelli † | Andria | Bishop of Andria, Italy |
| 9 Dec | 47.9 | Installed | Manuel Plácido de Quirós de Porras, O.S.B. † | Bishop of Antequera, Oaxaca, México |
| 11 Dec | 51.2 | Resigned | Michele de Bologna, C.R. † | Bishop of Isernia, Italy | Archbishop of Amalfi, Italy |
| 14 Dec | 53.1 | Died | Johann Gottfried Reichsritter von Guttenberg † | Bishop of Würzburg, Germany |
| 54.8 | Ordained Bishop | Pierre de Langle † | Bishop of Boulogne (-Sur-Mer), France |
| 59.3 | Resigned | Sperello Sperelli † | Bishop of Terni, Italy | Cardinal, Bishop Emeritus |
| 19 Dec | 65.8 | Elevated to Cardinal | Giacomo Antonio Morigia, B. † | Cardinal, Bishop of Pavia, Italy |
| 47.7 | Elevated to Cardinal | Fabrizio Paolucci † | Cardinal, Prefect of the Roman Curia - Other |
| 22 Dec | | Confirmed | Charles-Nicolas Taffoureau de Fontaine † | Bishop of Alet, France |
| Appointed | Biagio Terzi † | Bishop of Isernia, Italy |
| 26 Dec | 29.0 | Ordained Priest | Ludovico Alvares de Figueiredo † | Priest | Archbishop of São Salvador da Bahia, Brazil |