| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Giuseppe Barone † | Bishop of Bova, Italy |
| 41.1 | Ordained Bishop | Baltasar Bastero Lladó † | Bishop of Gerona, Spain | Bishop Emeritus |
| Born | Joseph-Vincent de Beni † | Gubbio | Bishop Emeritus of Carpentras, France |
| 17.4 | Professed | Heinrich Bibra, O.S.B. † | Member of Order of Saint Benedict | Bishop of Fulda, Germany |
| Died | Marino Carmignano † | Bishop of Cava, Italy |
| 34.0 | Appointed | Hardouin de Chaslon de Maisonnoble † | Bishop of Lescar, France |
| 68.8 | Resigned | Antoine de Charpin de Genetines † | Bishop of Limoges, France | Bishop Emeritus |
| Born | Louis-Emmanuel de Cugnac † | Cahors | Bishop of Lectoure, France |
| Born | Jan Dembowski † | | Bishop of Kamyanets-Podilskyi, Ukraine |
| 73.0 | Resigned | François de Nettancourt d'Haussonville de Vaubecourt † | Bishop of Montauban, France | Bishop Emeritus |
| Appointed | Luke Fagan † | Archbishop of Dublin, Ireland |
| Died | Pietro Galletti † | Bishop of Patti, Italy |
| 74.0 | Ordained Bishop | Manuel Antonio Gómez de Silva † | Bishop of Popayán, Colombia |
| 50.8 | Installed | Juan Leandro Gómez de Parada Valdez y Mendoza † | Bishop of Guatemala (Santiago de Guatemala), Guatemala | Bishop of Guadalajara, Jalisco, México |
| Appointed | Franciszek Kaznowski † | Auxiliary Bishop of Poznań, Poland |
| Appointed | Franciszek Kaznowski † | Titular Bishop of Domitiopolis | Auxiliary Bishop of Poznań, Poland |
| Born | Jean-François de La Marche † | Kerlors | Bishop of Saint-Pol-de-Léon, France |
| Appointed | Placido Pezzancheri † | Bishop of Tivoli, Italy |
| 61.0 | Appointed | Giuseppe Maria Positano † | Archbishop of Salerno, Italy |
| Appointed | Andrzej Pruski † | Titular Bishop of Tanis |
| Born | Stefano Domenico Sceriman † | Venezia | Bishop of Chioggia, Italy |
| Died | Paolo Stabile † | Bishop of Bova, Italy |
| 7 Jan | | Born | Franz Melchior Joseph Zen-Ruffinen † | Leuk | Bishop of Sion {Sitten}, Switzerland |
| 13 Jan | 88.0 | Died | Martin de La Cassaigne † | Bishop of Lescar, France |
| 14 Jan | | Born | Feliks Paweł Turski † | | Bishop of Kraków, Poland |
| 19 Jan | 17.5 | Professed | João de São José de Queiroz da Silveira, O.S.B. † | Member of Order of Saint Benedict | Bishop Emeritus of Belém do Pará, Brazil |
| 20 Jan | 63.3 | Died | Raimundo Rubí, O. Cart. † | Bishop of Catania, Italy |
| 21 Jan | | Born | Guillaume-Louis du Tillet † | Montramé | Bishop of Orange, France |
| 22 Jan | 27.5 | Appointed | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 23 Jan | 38.0 | Ordained Bishop | Jacques-Charles-Alexandre Lallemant † | Bishop of Sées, France |
| 25 Jan | | Born | Sebastiano de Rosa † | Arzano | Bishop of Avellino-Frigento, Italy |
| 30 Jan | 64.5 | Succeeded | Franz Ludwig Pfalzgraf am Rhein zu Neuburg † | Archbishop of Mainz, Germany | Archbishop-Elect |
| 54.9 | Succeeded | Friedrich Karl Reichsgraf von Schönborn † | Bishop of Bamberg, Germany | Bishop of Würzburg, Germany |
| 73.3 | Died | Lothar Franz Reichsgraf von Schönborn † | Bishop of Bamberg, Germany | Archbishop of Mainz, Germany |
| 2 Feb | 67.0 | Died | Pedro Francisco Levanto Vivaldo † | Bishop of Badajoz, Spain |
| 5 Feb | | Born | Salvador Bienpica y Sotomayor † | Ceuta, Spain | Bishop of Tlaxcala, Tlaxcala, México |
| 6 Feb | 55.4 | Ordained Bishop | José Francisco Bermúdez Mandía † | Bishop of Astorga, Spain |
| 7 Feb | 49.9 | Appointed | Maciej Aleksander Sołtyk † | Auxiliary Bishop of Chelmno (Culma), Poland |
| 49.9 | Appointed | Maciej Aleksander Sołtyk † | Titular Bishop of Mactaris | Auxiliary Bishop of Chelmno (Culma), Poland |
| 32.9 | Appointed | Johann Rudolf Graf von Sporck † | Titular Bishop of Adrasus | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 17 Feb | 26.1 | Appointed | Paul d’Albert de Luynes † | Bishop of Bayeux, France | Cardinal, Archbishop of Sens, France |
| Born | Louis-Marie de Nicolay † | Montpellier | Bishop of Cahors, France |
| 19 Feb | | Died | Karol Piotr Pancerzyński † | Bishop of Vilnius, Lithuania |
| 24 Feb | 32.9 | Ordained Bishop | Johann Rudolf Graf von Sporck † | Titular Bishop of Adrasus | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 3 Mar | 77.8 | Appointed | Louis-Antoine de Noailles † | Cardinal-Priest of S. Sisto | Cardinal, Archbishop of Paris, France |
| 64.6 | Resigned | Franz Ludwig Pfalzgraf am Rhein zu Neuburg † | Archbishop-Elect of Trier, Germany | Archbishop-Elect of Mainz, Germany |
| 5 Mar | 72.6 | Resigned | Léon Potier de Gesvres † | Archbishop of Bourges, France | Cardinal, Archbishop Emeritus |
| 13 Mar | 30.1 | Ordained Priest | Joseph Ignaz Philipp Landgraf von Hessen-Darmstadt † | Priest of Augsburg, Germany | Bishop |
| 39.5 | Ordained Bishop | Enrique Laso de la Vega † | Titular Bishop of Thaumacus |
| 14 Mar | 85.2 | Died | Carlo Giuseppe Morozzo † | Bishop of Saluzzo, Italy |
| 20 Mar | | Born | Juan Antonio Gallego y Orbigo, O.F.M. † | Orbigo, Spain | Archbishop of Manila, Philippines |
| 23 Mar | 60.5 | Appointed | Pompeio Aldrovandi † | Titular Patriarch of Gerusalemme {Jerusalem}, Palestine | Cardinal, Bishop of Montefiascone, Italy |
| 33.1 | Confirmed | Joseph Benedikt Graf von Rost † | Bishop of Chur, Switzerland |
| 25 Mar | 55.8 | Died | Christoph Franz Reichsfreiherr von Hutten † | Bishop of Würzburg, Germany |
| 28 Mar | 49.1 | Appointed | Melchor Angel Gutiérrez Vallejo † | Bishop of Pamplona, Spain |
| 49.9 | Appointed | Winimar Knippschild, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| 49.9 | Appointed | Winimar Knippschild, O.S.B. † | Titular Bishop of Myndus | Auxiliary Bishop of Paderborn, Germany |
| 29 Mar | 64.3 | Ordained Bishop | Andrés Cid de San Pedro Fernández, O. Cist. † | Bishop of Orense, Spain |
| 80.2 | Died | Jerónimo Nosti de Valdés, O.S.Bas. † | Bishop of Santiago de Cuba |
| 3 Apr | 32.3 | Ordained Bishop | François de Lastic de Saint-Jal † | Bishop of Uzés, France | Bishop of Castres, France |
| 5 Apr | | Born | Jean-Charles-Vincent-Gaspar-Constantin-Antoine Giovio † | Pérouse | Archbishop of Avignon, France |
| 16 Apr | 23.5 | Ordained Priest | Johann Wenzel Xaver Freiherr Frey von Freyenfels † | Priest of Olomouc, Czech Republic | Auxiliary Bishop |
| 20 Apr | 82.3 | Died | Silvestre García Escalona † | Bishop of Salamanca, Spain |
| May | 60.3 | Died | Pablo Vilana Perlas † | Archbishop of Palermo, Italy |
| 1 May | 44.3 | Ordained Bishop | José Francisco Magdaleno † | Titular Bishop of Teos | Bishop of Coria, Spain |
| 2 May | 46.9 | Appointed | Franz Georg Reichsfgraf von Schönborn † | Archbishop of Trier, Germany |
| 4 May | 77.9 | Died | Louis-Antoine de Noailles † | Cardinal, Archbishop of Paris, France |
| 6 May | | Died | Paolo de Villana Perlas † | Archbishop of Salerno, Italy |
| 8 May | | Born | Ignaz Franz Stanislaus Reichsgraf von Spaur † | Innsbruck | Bishop of Brixen {Bressanone}, Italy |
| 10 May | 73.5 | Appointed | Charles-Gaspard-Guillaume de Vintimille du Luc † | Archbishop of Paris, France |
| 18 May | 55.2 | Appointed | Friedrich Karl Reichsgraf von Schönborn † | Bishop of Würzburg, Germany |
| 28 May | 46.0 | Appointed | Juan de Galabis, O. Praem. † | Archbishop of Santo Domingo, Dominican Republic | Archbishop of Santafé en Nueva Granada, Colombia |
| 29 May | 49.2 | Ordained Bishop | Melchor Angel Gutiérrez Vallejo † | Bishop of Pamplona, Spain |
| 11 Jun | 22.8 | Ordained Priest | Ferdinand Michael Cyriakus Graf von Hallweil † | Priest of Wien, Austria | Bishop of Wiener Neustadt, Austria |
| 22.8 | Ordained Priest | Johann Baptist Reichsgraf von Thurn und Taxis † | Priest of Salzburg, Austria | Bishop of Lavant, Slovenia |
| 24.4 | Ordained Priest | Johann Kaspar Reichsgraf von Wolkenstein-Rodeneck † | Priest of Trento, Italy | Auxiliary Bishop |
| 12 Jun | | Born | José López Gil, O. Carm. † | Tembleque | Bishop of Jaca, Spain |
| 13 Jun | | Born | Antoni Onufry Okecki † | Kobylin | Bishop of Chelm, Poland |
| 20 Jun | | Born | Domenico Spoto † | Angelo Muxaro | Bishop of Cefalù, Italy |
| 21 Jun | 36.2 | Appointed | Jean-Baptiste-Antoine de Brancas † | Archbishop of Aix, France |
| 26 Jun | 63.5 | Died | Louis Philippe d'Auneau de Visé † | Auxiliary Bishop of Strasbourg, France |
| 29 Jun | | Born | Antonín Theodor Colloredo von Wallsee und Mels † | Vienna | Cardinal, Archbishop of Olomouc, Czech Republic |
| Jul | 43.5 | Died | Anne-François-Guillaume du Cambout-Beçay † | Bishop of Tarbes, France |
| 42.5 | Appointed | Michel de Verthamon de Chavagnac † | Bishop of Montauban, France |
| 6 Jul | 32.1 | Elevated to Cardinal | Francesco Scipione Maria Borghese † | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 60.9 | Appointed | Juan Ignacio de Castorena y Ursúa y Goyeneche † | Bishop of Yucatán (Mérida), Yucatán, México |
| 60.2 | Appointed | Francesco Antonio Finy † | Cardinal-Priest of S. Sisto | Cardinal, Bishop of Tivoli, Italy |
| 28.0 | Confirmed | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 60.4 | Appointed | Francisco de Santiago y Calderón, O. de M. † | Bishop of Antequera, Oaxaca, México |
| 9 Jul | 49.9 | Appointed | Jean Baptiste Gillis † | Auxiliary Bishop of Liège, Belgium |
| 49.9 | Appointed | Jean Baptiste Gillis † | Titular Bishop of Amyzon | Auxiliary Bishop of Liège, Belgium |
| 16 Jul | 36.3 | Confirmed | Jean-Baptiste-Antoine de Brancas † | Archbishop of Aix, France |
| Born | Manuel Ferrer y Figueredo † | Granada | Bishop of Málaga, Spain |
| 17 Jul | | Ordained Bishop | Andrzej Pruski † | Titular Bishop of Tanis |
| 24 Jul | | Born | Francisco López Sánchez † | Benamocarra, Spain | Bishop of Ayacucho o Huamanga, Peru |
| 25 Jul | | Born | Valentino Mastrozzi † | Terni | Cardinal, Cardinal-Priest of S. Lorenzo in Panisperna |
| 3 Aug | 54.2 | Appointed | Otto Honorius Reichsgraf von Egkh und Hungersbach † | Auxiliary Bishop of Olomouc, Czech Republic |
| 54.2 | Appointed | Otto Honorius Reichsgraf von Egkh und Hungersbach † | Titular Bishop of Thermopylae | Auxiliary Bishop of Olomouc, Czech Republic |
| 64.6 | Appointed | Juan Fernández Zapata † | Bishop of León, Spain |
| 63.8 | Appointed | Miguel Esteban Pérez Estremera, O.S. † | Titular Bishop of Danaba |
| 55.4 | Appointed | Friedrich Karl Reichsgraf von Schönborn † | Apostolic Administrator of Bamberg, Germany | Bishop of Würzburg, Germany |
| 55.4 | Confirmed | Friedrich Karl Reichsgraf von Schönborn † | Bishop of Würzburg, Germany |
| 4 Aug | 75.6 | Died | Anselmo de la Peña, O.S.B. † | Bishop of Agrigento (Girgenti), Italy |
| 7 Aug | 28.1 | Ordained Bishop | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 14 Aug | 22.9 | Ordained Priest | Francesco Maria Banditi, C.R. † | Priest of Congregation of Clerics Regular | Cardinal, Archbishop of Benevento, Italy |
| 17 Aug | 26.6 | Confirmed | Paul d’Albert de Luynes † | Bishop of Bayeux, France | Cardinal, Archbishop of Sens, France |
| 57.0 | Appointed | Johann Baptist Haus † | Auxiliary Bishop of Basel, Switzerland |
| Appointed | Giovanni Battista Lomellino † | Bishop of Salzburg, Austria |
| 43.6 | Appointed | Athanasiy Sheptyskyi † | Archbishop of Foreign Archdiocese |
| 73.8 | Confirmed | Charles-Gaspard-Guillaume de Vintimille du Luc † | Archbishop of Paris, France |
| 21 Aug | 63.6 | Died | Juan Gómez de Neva y Frías † | Bishop of Quito, Ecuador |
| Appointed | François-Joseph Robuste † | Auxiliary Bishop of Reims, France |
| 24 Aug | | Born | George Hay † | Edinburgh | Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 29 Aug | | Born | Dominique de Santini † | Bastia | Bishop Emeritus of Nebbio, France |
| 2 Sep | | Born | Esteban Antonio Aguado Rojas † | Illescas | Bishop of Pamplona, Spain |
| 3 Sep | 40.5 | Appointed | Kornylij Lebeckyj, O.S.B.M. † | Bishop of Foreign Diocese |
| 6 Sep | | Born | Filippo Carandini † | Pesaro | Cardinal, Cardinal-Deacon of S. Eustachio |
| 7 Sep | 47.2 | Confirmed | Franz Georg Reichsfgraf von Schönborn † | Archbishop of Trier, Germany |
| 8 Sep | 50.0 | Ordained Bishop | Jean Baptiste Gillis † | Titular Bishop of Amyzon | Auxiliary Bishop of Liège, Belgium |
| 9 Sep | 33.6 | Ordained Bishop | Joseph Benedikt Graf von Rost † | Bishop of Chur, Switzerland |
| 11 Sep | | Born | Antonio María de los Reyes Almada, O.F.M. † | Aspe, Alicante, Spain | Bishop of Sonora, Sonora, México |
| 18 Sep | 57.1 | Ordained Bishop | Johann Baptist Haus † | Auxiliary Bishop of Basel, Switzerland |
| 24 Sep | 23.1 | Ordained Priest | Carlo Rosati † | Priest | Bishop of Alife, Italy |
| 25 Sep | 26.7 | Ordained Bishop | Paul d’Albert de Luynes † | Bishop of Bayeux, France | Cardinal, Archbishop of Sens, France |
| 21.0 | Ordained Priest | Leopold Ernst Graf von Firmian † | Priest of Passau, Germany | Cardinal, Bishop |
| Oct | 45.8 | Appointed | François-Honoré-Lancelot de Maniban de Casaubon † | Bishop of Bordeaux, France |
| 5 Oct | | Died | Manuel Jos. de Hendaya y Haro † | Archbishop of México, Federal District |
| 43.8 | Died | José Hendaya Haro † | Bishop of Oviedo, Spain |
| 9 Oct | | Born | Francisco José Marán † | Arequipa, Peru | Bishop of Santiago de Chile |
| 12 Oct | 64.8 | Died | Juan Fernández Zapata † | Bishop of León, Spain |
| 14 Oct | 52.3 | Installed | Juan José de Escalona y Calatayud † | Bishop of Michoacán, Michoacán, México |
| 16 Oct | 50.4 | Ordained Bishop | Winimar Knippschild, O.S.B. † | Titular Bishop of Myndus | Auxiliary Bishop of Paderborn, Germany |
| Born | Antonio de Luna, O.F.M. † | Marchena, Spain | Bishop of Nueva Caceres, Philippines |
| 18 Oct | 47.3 | Ordained Priest | Franz Georg Reichsfgraf von Schönborn † | Priest of Trier, Germany | Archbishop |
| 30 Oct | 47.4 | Ordained Bishop | Franz Georg Reichsfgraf von Schönborn † | Archbishop of Trier, Germany |
| 31 Oct | | Born | Iledfonso Núñez de Haro y Peralta † | Villagarcía, Spain | Archbishop of México, Federal District |
| 6 Nov | 20.0 | Professed | Konstantin Schütz von Holzhausen, O.S.B. † | Member of Order of Saint Benedict | Auxiliary Bishop of Fulda, Germany |
| 7 Nov | 47.9 | Ordained Priest | José Sancho Granado † | Priest | Bishop of Salamanca, Spain |
| 13 Nov | 51.9 | Died | Carlos Bermudez de Castro † | Archbishop of Manila, Philippines |
| 20 Nov | | Ordained Bishop | Franciszek Kaznowski † | Titular Bishop of Domitiopolis | Auxiliary Bishop of Poznań, Poland |
| 25 Nov | 60.3 | Died | Johann Matthias von Eyss † | Auxiliary Bishop of Trier, Germany |
| 10 Dec | 43.5 | Died | Karl Joseph Reichsgraf von Kuenburg † | Bishop of Chiemsee, Germany |
| 11 Dec | 40.7 | Ordained Bishop | Kornylij Lebeckyj, O.S.B.M. † | Bishop of Foreign Diocese |
| 16 Dec | 66.0 | Died | Pedro de Fajardo, O.SS.T. † | Bishop of Buenos Aires, Argentina |
| 21 Dec | 43.3 | Appointed | Joseph Franz Valerian Felix Reichsgraf von Arco † | Bishop of Chiemsee, Germany | Bishop-Elect |
| 22 Dec | | Died | Simone Gritti † | Bishop of Ferentino, Italy |
| 23 Dec | 48.0 | Appointed | José Sancho Granado † | Bishop of Salamanca, Spain |
| 24 Dec | | Born | Manuel Abad Lasierra † | Estadilla | Bishop Emeritus of Astorga, Spain |
| 27 Dec | 32.9 | Appointed | Charles-Antoine de la Roche-Aymon † | Bishop of Tarbes, France | Cardinal, Archbishop of Reims, France |
| 28 Dec | 84.0 | Died | Jan Franciszek Kurdwanowski, S.J. † | Auxiliary Bishop of Warmia, Poland |
| Born | Augustin-René-Louis Le Mintier † | Sévignac | Bishop of Tréguier, France |
| 30 Dec | 76.8 | Died | Johann Sigmund Reichsfreiherr Zeller von und zu Leibersdorf † | Auxiliary Bishop of Freising, Germany |
| 31 Dec | | Died | Louis-Joseph de Châteauneuf de Rochebonne † | Bishop of Carcassonne, France |