| 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 |
| Died | Antonio Bianchi † | Bishop of Mottola (Motula), Italy |
| 17.4 | Professed | Heinrich Bibra, O.S.B. † | Member of Order of Saint Benedict | Bishop of Fulda, Germany |
| Appointed | G. Crisostomo Calvi † | Bishop of Monte Feltre, Italy |
| 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 |
| Died | Salvatore di Aloisio † | Bishop of Termoli, Italy |
| Born | Jan Dembowski † | | Bishop of Kamyanets-Podilskyi, Ukraine |
| 73.0 | Resigned | François de Nettancourt d'Haussonville de Vaubecourt † | Bishop of Montauban, France | Bishop Emeritus |
| Died | Flaminio Dondi † | Bishop of Monte Feltre, 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 | Niccolò Maria Lomellini † | Bishop of Faenza, Italy |
| 47.4 | Appointed | Bl. Antonio Lucci, O.F.M. Conv. † | Bishop of Bovino, Italy |
| Died | Giuseppe Migliaccio † | Archbishop of Messina, 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 | 65.1 | Died | Bernardino Guinigi † | Archbishop of Lucca, Italy |
| 88.0 | Died | Martin de La Cassaigne † | Bishop of Lescar, France |
| 14 Jan | | Born | Feliks Paweł Turski † | | Bishop of Kraków, Poland |
| 19 Jan | 74.8 | Died | Lorenzo Cozza, O.F.M. † | Cardinal, Cardinal-Priest of S. Maria in Ara Coeli |
| 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 | | Born | Giovanni de Gregorio † | Messina | Cardinal, Cardinal-Priest of SS. Trinità al Monte Pincio |
| 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 |
| 26 Jan | 64.5 | Appointed | Bartolomeo Pucci † | Bishop of Pescia, Italy |
| 30 Jan | 64.5 | Succeeded | Franz Ludwig Pfalzgraf am Rhein zu Neuburg † | Archbishop of Mainz, Germany | Archbishop-Elect |
| 57.6 | Died | Giovanni Battista Salerni, S.J. † | Cardinal, Cardinal-Priest of S. Stefano al Monte Celio |
| 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 |
| 1 Feb | | Appointed | Tommaso Cervioni † | Archbishop of Lucca, Italy | Archbishop Emeritus |
| 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 |
| 12 Feb | | Born | Baldassarre Vulcano, O.S.B. † | Sorrento | Bishop of Sessa Aurunca, Italy |
| 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 |
| 20 Feb | | Born | Gregorio Alessandri † | Monte Fiesole | Bishop of Cortona, Italy |
| 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 |
| 68.4 | Appointed | Agostino Pipia, O.P. † | Cardinal-Priest of S. Maria sopra Minerva | Cardinal, Bishop Emeritus of Osimo e Cingoli, Italy |
| 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, O. Cist. † | 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 |
| 47.9 | Elevated to Cardinal | Camillo Cibo (Cybo) † | Cardinal, Titular Patriarch of the unknown of Titular See |
| 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 | 47.9 | Installed | Camillo Cibo (Cybo) † | Cardinal-Priest of S. Stefano al Monte Celio | Cardinal, Titular Patriarch of the unknown of Titular See |
| 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 |
| 17 Apr | 33.2 | Ordained Priest | Troiano Acquaviva d’Aragona † | Priest | Cardinal, Archbishop of Monreale, Italy |
| 18 Apr | 33.2 | Appointed | Troiano Acquaviva d’Aragona † | Titular Bishop of Philippopolis in Arabia | Cardinal, Archbishop of Monreale, Italy |
| 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 |
| 3 May | 33.3 | Ordained Bishop | Troiano Acquaviva d’Aragona † | Titular Bishop of Philippopolis in Arabia | Cardinal, Archbishop of Monreale, Italy |
| 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 |
| 31 May | 74.9 | Died | Gregorio Selleri, O.P. † | Cardinal, Cardinal-Priest of S. Agostino |
| 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 |