| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Louis de Balzac d'Illiers d'Entragues † | Bishop of Lectoure, France |
| Born | Joseph-Dominique de Cheylus † | Avignon | Bishop of Bayeux, France |
| Appointed | Giuseppe Davanzati † | Archbishop of Trani, Italy |
| Died | Matteo Gagliani † | Bishop of Sora, Italy |
| Resigned | Diego Ladrón de Guevara † | Bishop of Quito, Ecuador | Bishop Emeritus |
| 76.0 | Appointed | Martin de La Cassaigne † | Bishop of Lescar, France |
| 52.7 | Appointed | Armand-Pierre de la Croix de Castries † | Archbishop of Tours, France | Archbishop of Albi, France |
| 27.8 | Ordained Priest | Kornylij Lebeckyj, O.S.B.M. † | Priest of Order of St. Basil the Great | Bishop of Foreign Diocese |
| 48.0 | Appointed | Jean-Paul-François Le Févre de Caumartin † | Bishop of Vannes, France | Bishop of Blois, France |
| Born | Andrzej Mikolaj Stanislaw Kostka Mlodziejowski † | | Bishop of Poznań, Poland |
| Appointed | Ludwik Karol Ogiński † | Bishop of Smoleńsk, Poland |
| 80.0 | Died | Louis-Marie Pidou de Saint-Olon † | Bishop of Baghdad, Iraq |
| Born | Bernardo Pinto Ribeiro Seixas † | | Bishop of Bragança e Miranda, Portugal |
| 45.4 | Ordained Priest | Franz Ludwig Reichsfreiherr von Schenk von Castell † | Priest of Eichstätt, Germany | Bishop |
| Jan | | Died | Giovanni Uva † | Archbishop of Lanciano, Italy |
| 1 Jan | 62.1 | Died | Esteban Bellido Guevara † | Bishop of Palencia, Spain |
| 2 Jan | 48.3 | Appointed | Pompeio Aldrovandi † | Apostolic Nuncio to Spain | Cardinal, Bishop of Montefiascone, Italy |
| 65.6 | Died | Edme Bélot, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 5 Jan | | Born | Tomasz Ignacy Zienkowicz † | | Auxiliary Bishop Emeritus of Vilnius, Lithuania |
| 7 Jan | | Born | Henri-Louis-René Des Nos † | Ernée | Bishop of Verdun, France |
| 12 Jan | 75.9 | Died | Taddeo Luigi dal Verme † | Cardinal, Archbishop of Ferrara, Italy |
| 11 Feb | 23.7 | Ordained Priest | Pedro Miguel Argandoña Pastene Salazar † | Priest of Santiago de Chile | Archbishop of La Plata o Charcas, Bolivia |
| 17 Feb | | Died | Dondazio Alessio Malvicini Fontana † | Bishop of Foligno, Italy |
| 10 Mar | 59.2 | Died | Joseph-Maurel du Chaffaut † | Bishop of Saint-Paul-Trois-Châteaux, France |
| 12 Mar | | Born | Giuseppe Ippoliti † | Pistoia | Bishop of Pistoia-Prato, Italy |
| 14 Mar | 55.2 | Appointed | José Esquivel Castillejos, O.P. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 55.2 | Appointed | José Esquivel Castillejos, O.P. † | Titular Bishop of Lycopolis | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 15 Mar | 45.5 | Elevated to Cardinal | Giberto Bartolomeo Borromeo † | Cardinal, Bishop of Novara, Italy |
| 39.7 | Appointed | Juan José de Escalona y Calatayud † | Bishop of Caracas, Santiago de Venezuela | Bishop of Michoacán, Michoacán, México |
| 23 Mar | | Born | Giuseppe Maria Pilo † | Sassari | Bishop of Ales e Terralba, Italy |
| 7 Apr | 58.8 | Died | Lamberto Manuel López † | Bishop of Teruel, Spain |
| 10 Apr | | Born | Manuel Fernández Torres † | Fontiveros | Bishop of Ceuta, Spain |
| 11 Apr | | Born | Francisco (Martinez) Polanco (López de Lorena) † | Cianca y Parvayón, Spain | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 12 Apr | 30.3 | Appointed | Antonio Claudio Alvarez de Quiñones † | Archbishop of Santo Domingo, Dominican Republic | Archbishop of Santafé en Nueva Granada, Colombia |
| 62.5 | Appointed | Stefano Fogliani † | Bishop of Modena, Italy |
| 15 Apr | | Appointed | Adeodato Summantico † | Bishop of San Severo, Italy |
| 25 Apr | 62.6 | Ordained Bishop | Stefano Fogliani † | Bishop of Modena, Italy |
| 27 Apr | | Born | Antonio Jorge y Galván † | Zaragoza | Archbishop of Granada, Spain |
| May | | Died | Biagio Terzi † | Bishop of Isernia, Italy |
| 2 May | | Born | Bonaventura Calcagnini † | Gaeta | Bishop of Penne-Atri, Italy |
| 3 May | | Born | Pierre-Augustin-Bernardin de Rosset de Rocozel de Fleury † | Pérignan | Bishop of Chartres, France |
| 8 May | 72.4 | Died | Mateo Foncillas Mozárabe † | Bishop of Jaca, Spain |
| 10 May | 45.7 | Installed | Giberto Bartolomeo Borromeo † | Cardinal-Priest of S. Alessio | Cardinal, Bishop of Novara, Italy |
| 47.4 | Appointed | Gottfried Reichsritter Langwerth von Simmern † | Auxiliary Bishop of Regensburg, Germany |
| 47.4 | Appointed | Gottfried Reichsritter Langwerth von Simmern † | Titular Bishop of Germanicopolis | Auxiliary Bishop of Regensburg, Germany |
| 59.4 | Appointed | Pedro Magaña, O.S.B. † | Bishop of Solsona, Spain |
| 53.7 | Appointed | Tommaso Ruffo † | Archbishop (Personal Title) of Ferrara, Italy | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 11 May | | Appointed | Giosafatte (Giosafat) Battistelli † | Bishop of Foligno, Italy |
| Appointed | Mattia Joccioa † | Bishop of Venafro, Italy |
| 15 May | | Born | Giuseppe Maria Carafa † | | Bishop of Mileto, Italy |
| 21 May | | Born | Alessandro Pisani † | Parma | Bishop of Piacenza, Italy |
| 22 May | 23.5 | Ordained Priest | Francesco de Santa Rosa de Viterbo, O.F.M. † | Priest of Order of Friars Minor | Bishop of Nanking [Nanjing], China |
| 30 May | 39.9 | Ordained Bishop | Juan José de Escalona y Calatayud † | Bishop of Caracas, Santiago de Venezuela | Bishop of Michoacán, Michoacán, México |
| 1 Jun | 65.0 | Died | Franz Theodor Reichsritter von Guttenberg † | Auxiliary Bishop of Augsburg, Germany |
| 4 Jun | | Born | Giuseppe Francesco Maria della Torre † | Genova | Bishop of Albenga, Italy |
| 7 Jun | 73.4 | Died | Pedro Granell † | Bishop of Barbastro, Spain |
| 11 Jun | | Born | Domenico Russo † | Napoli | Bishop of Monopoli, Italy |
| 12 Jun | | Died | Diego Ladrón de Guevara † | Bishop of Quito, Ecuador |
| Appointed | Gregorio Lauri † | Bishop of Ripatransone, Italy | Bishop of Ascoli Piceno, Italy |
| 48.2 | Appointed | Filippo Tipaldi † | Bishop of Ariano, Italy |
| 15 Jun | 74.2 | Died | Fabrizio Spada † | Cardinal, Cardinal-Bishop of Palestrina |
| 20 Jun | 49.4 | Ordained Bishop | Antonio Laghi, O.F.M. † | Titular Bishop of the Titular See | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 26 Jun | 35.6 | Ordained Bishop | Claude-Antoine Duding † | Bishop of Lausanne, Switzerland |
| 2 Jul | 60.3 | Appointed | José Espejo Cisneros † | Bishop of Calahorra y La Calzada, Spain | Bishop Emeritus |
| 10 Jul | | Appointed | Alfonso Mariconda, O.S.B. † | Bishop of Trivento, Italy | Archbishop of Acerenza e Matera, Italy |
| 11 Jul | 47.6 | Ordained Bishop | Gottfried Reichsritter Langwerth von Simmern † | Titular Bishop of Germanicopolis | Auxiliary Bishop of Regensburg, Germany |
| 59.5 | Ordained Bishop | Pedro Magaña, O.S.B. † | Bishop of Solsona, Spain |
| 12 Jul | 53.1 | Elevated to Cardinal | Giulio Alberoni † | Cardinal, Bishop Emeritus of Málaga, Spain |
| 44.7 | Elevated to Cardinal | Imre Csáky † | In Pectore | Cardinal, Archbishop |
| 69.6 | Appointed | Francesco del Giudice † | Cardinal-Bishop of Palestrina | Cardinal, Archbishop Emeritus of Monreale, Italy |
| 59.5 | Appointed | Francisco Ochoa Mendarozqueta y Arzamendi † | Bishop of Palencia, Spain |
| 52.5 | Appointed | Luis Francisco Romero † | Bishop of Quito, Ecuador | Archbishop of La Plata o Charcas, Bolivia |
| 18 Jul | 35.0 | Ordained Priest | Johann Wilhelm Reichsfreiherr von Twickel † | Priest of Münster, Germany | Auxiliary Bishop of Hildesheim, Germany |
| 22 Jul | | Appointed | Antonio Vaira † | Bishop of Adria, Italy |
| 24 Jul | 44.6 | Appointed | Joseph Anton Reichfreiherr von Delmestri von Schönberg † | Coadjutor Bishop of Trieste, Italy | Bishop |
| 19 Aug | 74.6 | Died | Manuel de Santo Tomás Mendoza, O.P. † | Bishop of Málaga, Spain |
| 20 Aug | | Born | Onofrio de Rossi † | Aversa | Bishop of Sant’Agata de’ Goti, Italy |
| 38.1 | Appointed | Claude-Ignace-Joseph de Simiane de Gordes † | Bishop of Saint-Paul-Trois-Châteaux, France | Bishop Emeritus |
| Died | François-Joseph de Grammont † | Archbishop of Besançon, France |
| 27 Aug | | Born | Francesco Saverio de Zelada † | Rome | Cardinal, Archivist of the Vatican Secret Archives |
| Sep | | Died | Ambrose MacDermott, O.P. † | Bishop of Elphin, Ireland |
| 7 Sep | 65.7 | Died | Gilles-Jean-François de Beauvau † | Bishop of Nantes, France |
| 17 Sep | 49.7 | Appointed | Jean-Jacques Tessier de Quéralay † | Coadjutor Vicar Apostolic of Siam, Thailand | Vicar Apostolic |
| 49.7 | Appointed | Jean-Jacques Tessier de Quéralay † | Titular Bishop of Rosalia | Vicar Apostolic of Siam, Thailand |
| 18 Sep | 24.4 | Ordained Priest | Jean de Caulet † | Priest | Bishop of Grenoble, France |
| 34.1 | Ordained Priest | Jakob Sigismund von Reinach-Steinbrunn † | Priest of Basel, Switzerland | Bishop |
| 21 Sep | 59.7 | Ordained Bishop | Francisco Ochoa Mendarozqueta y Arzamendi † | Bishop of Palencia, Spain |
| 25 Sep | 40.9 | Died | Franz Karl Reichsgraf von Kaunitz-Rietberg † | Bishop of Ljubljana, Slovenia |
| 26 Sep | | Born | Julián Gascueña Herráiz, O.F.M. † | Gascueña | Bishop of Avila, Spain |
| 28 Sep | 84.7 | Died | Francesco Martelli † | Cardinal, Titular Patriarch of Gerusalemme {Jerusalem}, Palestine |
| 1 Oct | 44.9 | Elevated to Cardinal | Imre Csáky † | Cardinal, Archbishop of Kalocsa, Hungary |
| 50.8 | Appointed | Pedro Mejorada, O.P. † | Bishop of Nueva Segovia, Philippines | Bishop-Elect |
| 57.8 | Appointed | Juan Muñoz de la Cueva, O.SS.T. † | Bishop of Orense, Spain |
| 63.4 | Appointed | Marcelino Siuri Navarro † | Bishop of Córdoba, Spain |
| 2 Oct | 47.8 | Appointed | Louis de La Vergne-Montenard de Tressan † | Bishop of Nantes, France | Archbishop of Rouen, France |
| Appointed | James O'Shiel, O.F.M. † | Bishop of Down and Connor, Ireland |
| 11 Oct | 51.6 | Appointed | Carlos Alamán Ferrer † | Bishop of Barbastro, Spain |
| 13 Oct | | Died | François-Louis de Polastron † | Bishop of Lectoure, France |
| 25 Oct | 71.9 | Died | Nicola Grimaldi † | Cardinal, Cardinal-Priest of S. Matteo in Merulana |
| 28 Oct | 62.1 | Ordained Deacon | Bernardino Scotti † | Deacon | Cardinal, Cardinal-Priest of S. Pietro in Montorio |
| 31 Oct | 44.4 | Ordained Priest | Christoph Franz Reichsfreiherr von Hutten † | Priest of Würzburg, Germany | Bishop |
| 62.1 | Ordained Priest | Bernardino Scotti † | Priest | Cardinal, Cardinal-Priest of S. Pietro in Montorio |
| 50.0 | Ordained Priest | Gaetano Stampa † | Priest | Cardinal, Archbishop of Milano {Milan}, Italy |
| Nov | | Ordained Bishop | James O'Shiel, O.F.M. † | Bishop of Down and Connor, Ireland |
| 11 Nov | 54.4 | Appointed | Jean-Baptiste Massillon † | Bishop of Clermont, France |
| 16 Nov | 79.0 | Died | Manuel Arias y Porres, O.S.H. † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 18 Nov | 71.3 | Resigned | Giandomenico Paracciani † | Bishop of Senigallia, Italy | Cardinal, Bishop Emeritus |
| 21 Nov | | Died | Carlo Ottaviano Guasco † | Bishop of Cremona, Italy |
| 22 Nov | 49.0 | Appointed | Lodovico Pico Della Mirandola † | Bishop of Senigallia, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 49.9 | Appointed | Giuseppe Maria Positano, O.P. † | Bishop of Acerra, Italy | Archbishop of Salerno, Italy |
| 60.9 | Appointed | Salvador Rodríguez Castelblanco, T.O.R. † | Bishop of Orihuela, Spain |
| 25 Nov | 53.9 | Died | Antonio María Casiani, O.S.Bas. † | Bishop of Cartagena, Colombia |
| 27 Nov | | Born | Francesco Antonio Marcucci † | Force | Bishop of Montalto, Italy |
| 1 Dec | 73.2 | Died | Ferdinando Nuzzi † | Cardinal, Archbishop (Personal Title) of Orvieto, Italy |
| Born | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Paris | Cardinal, Bishop of Strasbourg, France |
| 5 Dec | 57.9 | Ordained Bishop | Juan Muñoz de la Cueva, O.SS.T. † | Bishop of Orense, Spain |
| 6 Dec | 53.5 | Appointed | Giulio Alberoni † | Bishop of Málaga, Spain | Cardinal, Bishop Emeritus |
| 50.1 | Appointed | Gaetano Stampa † | Titular Archbishop of Chalcedon | Cardinal, Archbishop of Milano {Milan}, Italy |
| 10 Dec | | Born | Maximilian Augustinus Christoph Reichsfreiherr von Rodt † | Kehl | Bishop of Konstanz {Constance}, Germany |
| 15 Dec | 62.0 | Died | Juan Miguélez Mendaña † | Bishop of Tortosa, Spain |
| 57.8 | Died | Andrea Riggio † | Bishop of Catania, Italy |
| 17 Dec | | Appointed | Domenico Maria Liguori, C.R. † | Bishop of Lucera, Italy |
| 43.0 | Died | Pedro Sanz de la Vega y Landaverde, O. de M. † | Bishop of Cebu, Philippines |
| 20 Dec | | Appointed | Gian Saverio Lioni † | Bishop of Isernia, Italy |
| 21 Dec | 56.0 | Ordained Bishop | José Esquivel Castillejos, O.P. † | Titular Bishop of Lycopolis | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 23 Dec | 72.3 | Died | António Vasconcelos e Sousa † | Bishop of Coimbra, Portugal |
| 25 Dec | | Born | Giovanni Angelico Braschi † | Cesena | Pope (Roma {Rome}, Italy) |
| 30 Dec | | Died | Adam Daemen † | Vicar Apostolic of Foreign Vicariate |