| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 70.0 | Died | Giovanni Battista Agatich, O.E.S.A. † | Bishop of Senj (-Modruš), Croatia |
| Born | Andrés de Angulo † | Navarrete | Bishop of Segovia, Spain |
| Born | Luc d’Aquin † | Avignon | Bishop Emeritus of Fréjus, France |
| 45.4 | Ordained Bishop | Bartolomé de Benavente y Benavides † | Bishop of Antequera, Oaxaca, México |
| Born | Giovanni Borgoforte † | Tragurien | Bishop of Nona (Nin), Croatia |
| Appointed | Josse Bouckaert † | Bishop of Ypres (Ieper), Belgium |
| Born | Paolo Caravita, O.S.B. † | Napoli | Archbishop of Conza, Italy |
| Born | Pedro Cárdenas y Arbieto † | Liman | Bishop of Santa Cruz de la Sierra, Bolivia |
| Born | Giuseppe Cei, C.O. † | Livorno | Bishop of Cortona, Italy |
| 59.8 | Died | Johann Paul (Giovanni Paolo) Ciurletti † | Auxiliary Bishop of Salzburg, Austria |
| Born | Jean-Baptiste-Michel Colbert de Saint-Pouange † | Paris | Archbishop of Toulouse, France |
| 70.0 | Resigned | Antonio Corderiña Vega, O.S.A. † | Bishop of Santa Marta, Colombia | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| Born | Peter Creagh † | Limerick | Archbishop of Dublin, Ireland |
| 49.0 | Resigned | Alexandre della Stufa (Lotteringhi) † | Bishop of Montepulciano, Italy | Bishop Emeritus |
| Born | Domenico Folgori † | Napoli | Titular Archbishop of Nazareth |
| 93.0 | Died | Marco Giustiniani, O.P. † | Bishop of Chios (Scio), Greece |
| Born | Jacques-Joseph de Gourgues † | Bordeaux | Bishop of Bazas, France |
| Born | Carlo Antonio Gozzano † | Casalen | Bishop of Acqui, Italy |
| 38.0 | Ordained Priest | Gabriel Haug † | Priest of Strasbourg, France | Auxiliary Bishop |
| Born | Diego Ladrón de Guevara † | Seguntin | Bishop of Quito, Ecuador |
| Born | Armand-Anne-Tristan de La Baume de Suze † | Dauphiné | Archbishop of Auch, France |
| 54.0 | Died | Alvise Lippomano † | Bishop of Krk (Veglia), Croatia |
| Born | Bartolomé de Ocampo y Mata † | Matriti | Bishop of Plasencia, Spain |
| 55.0 | Died | Ottavio Orsini † | Bishop of Segni, Italy |
| Died | Francesco Antonio Porpora † | Bishop of Montemarano, Italy |
| Born | Pedro Portocarrero y Guzmán † | | Patriarch of West Indies, Spain |
| Born | Luis Pueyo Abadía, O. Carm. † | Zaragoza | Bishop of Albarracin, Spain |
| Died | Maurizio Ragano † | Bishop of Fondi (Fundi), Italy |
| Born | Urbano Sacchetti † | Florence | Cardinal, Bishop Emeritus of Viterbo e Tuscania, Italy |
| Born | Tommaso Antonio Scotti † | Viglevanen | Archbishop of Dubrovnik (Ragusa), Croatia |
| 61.0 | Died | Honuphrius Sersagli † | Bishop of Carinola (Calina), Italy |
| Born | Guy de Sève de Rochechouart † | Paris | Bishop Emeritus of Arras, France |
| Born | Gregorio Solórzano Castillo † | Madrid | Bishop of Avila, Spain |
| Died | Barthélemy Supersaxo † | Bishop of Sion {Sitten}, Switzerland |
| Born | Mikołaj Stanisław Święcicki † | Zuzelien | Bishop of Poznań, Poland |
| Born | Alonso de Talavera, O.S.Io.Hieros. † | Puebla Nueva | Bishop of Cádiz, Spain |
| Born | Manuel Torquemada, O. de M. † | | Auxiliary Bishop of Córdoba, Spain |
| Born | Louis-Alphonse de Valbelle † | Provence | Bishop of Saint-Omer, France |
| Born | Giovanni Vespoli-Casanatte, C.R. † | Napoli | Bishop of Ortona a Mare e Campli, Italy |
| 2 Jan | 41.0 | Ordained Bishop | Cristóbal Pérez Lazarraga y Maneli Viana, O. Cist. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | Bishop of Cartagena, Colombia |
| 8 Jan | | Born | Joaquín Canaves, O.S.Io.Hieros. † | Pollensa, Spain | Bishop of Malta |
| 42.0 | Ordained Bishop | Michael Chumer (Chumberg), O.F.M. † | Titular Bishop of Christopolis | Auxiliary Bishop of Ljubljana, Slovenia |
| 52.3 | Ordained Bishop | Francisco Diego Díaz de Quintanilla y de Hevía y Valdés, O.S.B. † | Bishop of Durango, México | Bishop of Antequera, Oaxaca, México |
| 9 Jan | 69.0 | Appointed | Zerbino Lugo † | Bishop of Feltre, Italy |
| Appointed | Fabio Magnesi † | Bishop of Ostuni, Italy |
| 39.0 | Appointed | Raffaele Pizzorno, O.M. † | Bishop of Sagone (Sagona), France |
| Appointed | Francesco Surgenti (Sorgente), C.R. † | Archbishop (Personal Title) of Monopoli, Italy | Bishop |
| 14 Jan | | Appointed | Juan de Espinoza y Orozco, O.P. † | Bishop of Santa Marta, Colombia |
| 16 Jan | 35.0 | Appointed | Silvestro D’Afflitto, C.R. † | Bishop of Trevico, Italy | Bishop of Lucera, Italy |
| Appointed | Francesco Durazzi † | Bishop of Brugnato, Italy |
| Appointed | Francesco Grassi † | Bishop of Chioggia, Italy |
| Appointed | Bernadino Larizza † | Archbishop of Dubrovnik (Ragusa), Croatia |
| Appointed | Giovanni Lucas Moncalvi † | Bishop of Guardialfiera (Guardia), Italy |
| 20 Jan | | Appointed | Ramón Sentmenat y Lanuza † | Bishop of Vic, Spain | Bishop of Barcelona, Spain |
| 22 Jan | | Ordained Bishop | Francesco Durazzi † | Bishop of Brugnato, Italy |
| Ordained Bishop | Bernadino Larizza † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 30 Jan | 50.1 | Appointed | Pedro (de Santiago) Anglada Sánchez, O.S.A. † | Bishop of Solsona, Spain | Bishop of Lérida, Spain |
| Feb | | Born | Filippo Massarenghi, C.O. † | Napoli | Bishop of Bitonto, Italy |
| 2 Feb | 35.1 | Ordained Bishop | Silvestro D’Afflitto, C.R. † | Bishop of Trevico, Italy | Bishop of Lucera, Italy |
| 3 Feb | | Ordained Bishop | Fernando Montero Espinosa † | Bishop of Nueva Segovia, Philippines | Archbishop of Manila, Philippines |
| 11 Feb | | Died | Domenico Giordani, O.F.M. † | Bishop of Isernia, Italy |
| Mar | | Ordained Bishop | Thomas Marnavich, O.F.M. † | Bishop of Bosnia, Croatia |
| 5 Mar | 38.2 | Appointed | Giuseppe Cianti, O.P. † | Bishop of Marsico Nuovo, Italy | Bishop Emeritus |
| Appointed | Dionysius Odriscol, O.F.M. † | Archbishop of Brindisi, Italy |
| 6 Mar | | Born | Marcantonio Barbarigo † | Venice | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 13 Mar | 50.2 | Ordained Bishop | Pedro (de Santiago) Anglada Sánchez, O.S.A. † | Bishop of Solsona, Spain | Bishop of Lérida, Spain |
| 17 Mar | 47.9 | Installed | Marcos Ramírez de Prado y Ovando, O.F.M. † | Bishop of Michoacán, México | Archbishop of México, Federal District |
| 19 Mar | 38.2 | Ordained Bishop | Giuseppe Cianti, O.P. † | Bishop of Marsico Nuovo, Italy | Bishop Emeritus |
| 26 Mar | | Appointed | Gabriel ab Annuntiatione, O.S. Joan. Bapt. † | Auxiliary Bishop of Évora, Portugal |
| Appointed | Gabriel ab Annuntiatione, O.S. Joan. Bapt. † | Titular Bishop of Fez | Auxiliary Bishop of Évora, Portugal |
| 32.2 | Appointed | Francesco Maria Macchiavelli † | Titular Patriarch of Constantinople | Cardinal, Bishop of Ferrara, Italy |
| Appointed | Georgius Pauli-Stravius † | Auxiliary Bishop of Köln {Cologne}, Germany |
| Appointed | Georgius Pauli-Stravius † | Titular Bishop of Ioppe | Auxiliary Bishop of Köln {Cologne}, Germany |
| Appointed | Marcello Stella † | Bishop of Isernia, Italy |
| Apr | | Died | Gaspare Conturla † | Bishop of Venosa, Italy |
| Born | Jerzy Albrecht Denhoff † | | Bishop of Kraków, Poland |
| Died | Alessandro Rangoni † | Bishop of Modena, Italy |
| 9 Apr | | Born | Maioranus Figlioli † | Melphiten | Bishop of Caiazzo, Italy |
| Ordained Bishop | Dionysius Odriscol, O.F.M. † | Archbishop of Brindisi, Italy |
| Ordained Bishop | Marcello Stella † | Bishop of Isernia, Italy |
| 12 Apr | | Born | Francisco de Cosío y Otero † | Turieno, Spain | Archbishop of Santafé en Nueva Granada, Colombia |
| 65.3 | Died | Paolo Orsini, O.P. † | Bishop of Montalto (delle Marche), Italy |
| 14 Apr | 46.7 | Died | Diego Montoya Mendoza † | Bishop of Trujillo, Peru |
| 16 Apr | 66.3 | Died | Stanisław Łubieński † | Bishop of Płock, Poland |
| 43.4 | Appointed | Josephus Saulnier, O.S.B. † | Auxiliary Bishop of Besançon, France |
| 43.4 | Appointed | Josephus Saulnier, O.S.B. † | Titular Bishop of Andravida | Auxiliary Bishop of Besançon, France |
| 17 Apr | 16.7 | Selected | Albrecht Sigmund von Bayern † | Coadjutor Bishop of Freising, Germany | Bishop-Elect |
| Died | Gabriel Ortiz Sotomayor † | Bishop of Badajoz, Spain |
| 30 Apr | | Selected | István Bosnyák † | Bishop of Pécs, Hungary |
| 18 May | | Selected | Charles Vialart de Saint-Paul † | Bishop of Avranches, France |
| 21 May | 9.5 | Selected | Sigmund Franz von Österreich † | Coadjutor Bishop of Augsburg, Germany | Bishop Emeritus |
| Appointed | Urbano Zambotti, C.R. † | Bishop of Montemarano, Italy |
| 28 May | | Ordained Bishop | Urbano Zambotti, C.R. † | Bishop of Montemarano, Italy |
| Jun | | Born | Tommaso Caracciolo, O.S.B. † | Napoli | Bishop of Gerace, Italy |
| Ordained Bishop | Ramón Sentmenat y Lanuza † | Bishop of Vic, Spain | Bishop of Barcelona, Spain |
| 3 Jun | | Born | Marcus Antonius Rossi † | Casoriae | Bishop-Elect of Termoli, Italy |
| 12 Jun | | Born | Otto Wilhelm von Bronckhorst zu Gronsfeld, S.J. † | Köln | Auxiliary Bishop of Osnabrück, Germany |
| 28 Jun | 40.0 | Installed | Bl. Juan de Palafox y Mendoza † | Bishop of Tlaxcala, México | Bishop of Osma, Spain |
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