| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| unknown | 60.9 | Resigned | Ottavio Accoramboni † | Bishop of Fossombrone, Italy | Archbishop Emeritus of Urbino, Italy | 
|  | Born | Adam Adami, O.S.B. † |  | Auxiliary Bishop of Hildesheim, Germany | 
|  | Born | Antonio Agustín Soria, O.S.H. † |  | Bishop of Albarracin, Spain | 
|  | Born | Orazio degli Albizzi † |  | Bishop of Volterra, Italy | 
|  | Born | Francesco Maria Annoni, C.R. † |  | Bishop of Muro Lucano, Italy | 
|  | Born | Juan Astorga de Castillo † |  | Bishop of Zamora, Spain | 
|  | Born | José Barberá † |  | Auxiliary Bishop of Valencia, Spain | 
| 25.0 | Ordained Priest | Augustinus Basrci (Bagesius), O.P. † | Priest of Order of Friars Preachers | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia | 
|  | Born | Matteo Benlich, O.F.M. † |  | Bishop of Beograd {Belgrade}, Serbia | 
|  | Born | Domenico Carnevale † |  | Bishop of Isola, Italy | 
|  | Born | Diego Castiglione Morelli † |  | Bishop of Mileto, Italy | 
|  | Born | Michelangelo Catalani, O.F.M. Conv. † |  | Bishop of Isernia, Italy | 
|  | Born | Filippo Cesarini † |  | Bishop of Nola, Italy | 
|  | Born | Giuseppe Cigala (Cicala), C.R. † |  | Archbishop of Messina, Italy | 
|  | Born | Francesco Cini † |  | Bishop of Macerata e Tolentino, Italy | 
| 37.0 | Selected | Paul David a Felistal † | Bishop of Knin (Tinin), Croatia | Bishop of Veszprém, Hungary | 
| 26.0 | Ordained Priest | Angelo Della Ciaia † | Priest | Bishop of Teano, Italy | 
|  | Born | Opizio d’Este † |  | Bishop of Modena, Italy | 
|  | Born | Augustin Donghi, C.R. † |  | Bishop of Aleria, France | 
|  | Born | Giuseppe de Rossi, O.F.M. Conv. † |  | Bishop of Umbriatico (Umbriaticum), Italy | 
|  | Installed | François-Etienne Dulci, O.P. † | Archbishop of Avignon, France | 
|  | Born | Francesco Maria Falcucci † |  | Bishop of Calvi Risorta, Italy | 
|  | Died | Luca Fieschi † | Bishop of Albenga, Italy | 
|  | Born | Atanazy Zachariasz Furs † |  | Bishop of Chełm and Bełz (Ukrainian), Poland | 
|  | Born | Filippo Galilei † |  | Bishop of Cortona, Italy | 
|  | Born | Honuphrius Ippoliti † |  | Titular Bishop of Porphyreon | 
| 20.0 | Entered | Szymon Jackiewicz-Stawrowski, O.S.B.M. † | Member of Basilian Order of Saint Josaphat (Order of St. Basil the Great) | Coadjutor Bishop Emeritus of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine | 
|  | Born | Gabriel de la Calle y Heredia † |  | Bishop of Valladolid, Spain | 
|  | Born | Leonardo Leria, O. Carm. † |  | Bishop Emeritus of Minori, Italy | 
| 33.7 | Resigned | Éric de Lorraine, O.F.M. Cap. † | Bishop of Verdun, France | Bishop Emeritus | 
| 25.1 | Ordained Priest | René du Louët de Coetjunval † | Priest | Bishop of Quimper, France | 
|  | Died | Simone Lunadori † | Bishop of Nocera de’ Pagani, Italy | 
|  | Born | Francesco Massucci † |  | Bishop of Penne e Atri, Italy | 
|  | Born | Martín de Montalvo Calderon de la Barca, O.S.A. † |  | Bishop of La Paz, Bolivia | 
| 40.0 | Died | Mario Moro † | Bishop of Venosa, Italy | 
|  | Born | Francesco de Marchi † |  | Bishop of Krk (Veglia), Croatia | 
|  | Died | Malachy O’Moloney † | Bishop of Kilmacduagh, Ireland | 
|  | Died | Franciscus Optimates, O.F.M. † | Bishop of Milos (Melos), Greece | 
| 67.0 | Died | Lazaro Pellizzari, O.P. † | Bishop of Modena, Italy | 
| 37.0 | Installed | Jean Richardot † | Archbishop of Cambrai, France | 
| 30.2 | Ordained Priest | George Anton von Rodenstein † | Priest of Speyer, Germany | Bishop of Worms, Germany | 
|  | Born | Ján Salix, O. Cist. † |  | Bishop of Pécs, Hungary | 
| 60.0 | Died | Paolo Emilio Sammarco † | Bishop of Umbriatico (Umbriaticum), Italy | 
| 35.0 | Professed | Diego Secco, S.J. † | Member of Society of Jesus | Coadjutor Patriarch of Ethiopia | 
|  | Born | Antonius Serra † |  | Bishop of Milos (Melos), Greece | 
| 59.0 | Resigned | Francisco de Sosa, O.F.M. † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop of Osma, Spain | 
|  | Born | Diego de Sousa † |  | Archbishop of Évora, Portugal | 
|  | Born | Johannes Maximus Stainer von Pleinfelden † |  | Auxiliary Bishop of Passau, Germany | 
|  | Born | Braulio Sunyer † |  | Bishop of Lérida, Spain | 
|  | Born | Jakiv Suša, O.S.B.M. † |  | Bishop of Chełm and Bełz (Ukrainian), Poland | 
|  | Born | Paul de Tauris-Jancic, O.F.M. Obs. † |  | Bishop of Pedena, Austria | 
|  | Born | Giambattista Ventriglia † |  | Bishop of Caserta, Italy | 
|  | Born | Juan Pérez Gutiérrez, O.F.M. † |  | Bishop of Tuy, Spain | 
|  | Born | Peter Walenburch † |  | Auxiliary Bishop of Köln {Cologne}, Germany | 
|  | Born | Jan Stefan Wydżga † |  | Archbishop of Gniezno, Poland | 
|  | Born | Francisco de Zárate y Terán † |  | Bishop of Cuenca, Spain | 
| 1 Jan | 59.0 | Died | Cinzio Passeri Aldobrandini † | Cardinal, Cardinal-Priest of San Pietro in Vincoli | 
| 5 Jan | 34.0 | Appointed | Scipione Caffarelli-Borghese † | Major Penitentiary of the Apostolic Penitentiary | Cardinal, Cardinal-Bishop of Sabina | 
| 8 Jan | 41.7 | Appointed | Maffeo (Virginio Romolo) Barberini † | Prefect of the Apostolic Signatura | Pope (Roma {Rome}, Italy) | 
| 10 Jan | 70.0 | Died | Jean du Bec (-Crespin) † | Bishop of Saint-Malo, France | 
| 63.0 | Died | Matteo de Oviedo, O.F.M. Obs. † | Archbishop of Dublin, Ireland | 
| 11 Jan | 52.0 | Appointed | Lanfranco Margotti † | Cardinal-Priest of San Pietro in Vincoli | Cardinal, Bishop of Viterbo e Tuscania, Italy | 
|  | Appointed | Girolamo Palazzuoli † | Bishop of Isola, Italy | 
|  | Appointed | Archangelus de Rossi, C.R.L. † | Bishop of Carinola (Calina), Italy | 
| 27 Jan | 45.0 | Appointed | Pál Almásy † | Bishop of Vác, Hungary | 
| 60.0 | Appointed | Lorenzo Mongiò Galatino, O.F.M. Obs. † | Archbishop of Lanciano, Italy | Bishop of Pozzuoli, Italy | 
| 47.0 | Appointed | Demetrii Napragyi † | Bishop of Kalocsa, Hungary | 
| 47.0 | Appointed | Demetrii Napragyi † | Bishop of Győr (Raab), Hungary | Bishop of Kalocsa, Hungary | 
|  | Confirmed | Lourenço de Távora, O.F.M. Obs. † | Bishop of Funchal, Portugal | Bishop Emeritus of Elvas, Portugal | 
| 35.0 | Appointed | János Telegdy † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia | Archbishop of Kalocsa, Hungary | 
| 1 Feb | 54.5 | Appointed | Pedro Ginés Casanova † | Bishop of Segorbe, Spain | 
| 51.1 | Installed | François de La Rochefoucauld † | Cardinal-Priest of San Callisto | Cardinal, Bishop Emeritus of Senlis, France | 
| 2 Feb | 34.4 | Ordained Bishop | Johann Gottfried von Aschhausen † | Bishop of Bamberg, Germany | 
| 5 Feb |  | Died | Giuseppe de Rossi † | Archbishop of Acerenza e Matera, Italy | 
| 10 Feb |  | Born | Matteo Orlandi, O. Carm. † |  | Bishop of Cefalù, Italy | 
| 15 Feb | 22.8 | Installed | Ferdinando Gonzaga † | Cardinal-Deacon of Santa Maria in Domnica |  | 
| 52.1 | Appointed | Miguel Angulo Gómez de Carvajal, O.S. † | Auxiliary Bishop of Valencia, Spain | 
| 52.1 | Appointed | Miguel Angulo Gómez de Carvajal, O.S. † | Titular Bishop of Coronea | Auxiliary Bishop of Valencia, Spain | 
| 51.1 | Appointed | François de La Rochefoucauld † | Bishop of Senlis, France | Cardinal, Bishop Emeritus | 
| 17 Feb | 67.1 | Died | Timocrate (Democrate) Aloigi (Aloisi) † | Bishop of Cagli, Italy | 
| 21 Feb | 72.7 | Died | Cesare Camillo Ferrero † | Bishop of Ivrea, Italy | 
| 28 Feb | 49.1 | Ordained Bishop | Afonso Furtado de Mendonça † | Bishop of Guarda, Portugal | Archbishop of Lisboa, Portugal | 
|  | Ordained Bishop | Girolamo Palazzuoli † | Bishop of Isola, Italy | 
| Mar |  | Born | Tommaso D’Avalos, O.P. † |  | Bishop of Lucera, Italy | 
|  | Succeeded | Gregorio Santacroce, O.S.B. † | Bishop of Giovinazzo, Italy | 
| 75.1 | Died | Giovanni Antonio Viperani † | Bishop of Giovinazzo, Italy | 
| 1 Mar | 35.1 | Appointed | Antoine Rose † | Bishop of Clermont, France | 
|  | Appointed | Diogo de Sousa † | Archbishop of Évora, Portugal | 
| 10 Mar | 49.1 | Appointed | José de Melo † | Bishop of Miranda (do Douro), Portugal | Archbishop of Évora, Portugal | 
| 15 Mar |  | Appointed | Petar Domitrović † | Bishop of Pécs, Hungary | Bishop of Zagreb (Agram), Croatia | 
| 16 Mar | 56.2 | Died | Giuseppe Ferrerio † | Archbishop of Urbino, Italy | 
| 19 Mar | 78.2 | Died | Salentin von Isenburg † | Former Archbishop-Elect of Köln {Cologne}, Germany | 
|  | Died | Valeriano Muti † | Bishop of Città di Castello, Italy | 
| 21 Mar | 39.2 | Ordained Bishop | João Manuel de Ataíde † | Bishop of Viseu, Portugal | Archbishop of Lisboa, Portugal | 
| 22 Mar | 42.7 | Appointed | Pellegrino Bertacchi † | Bishop of Modena, Italy | 
| 45.2 | Appointed | Juan de Moncada † | Bishop of Barcelona, Spain | Archbishop of Tarragona, Spain | 
| 27 Mar | 44.2 | Died | Innocenzo Del Bufalo-Cancellieri † | Cardinal, Bishop Emeritus of Camerino, Italy | 
| 28 Mar | 42.8 | Ordained Bishop | Pellegrino Bertacchi † | Bishop of Modena, Italy | 
| 29 Mar |  | Confirmed | Franjo Ergelski Hasanović † | Bishop of Veszprém, Hungary | Bishop of Zagreb (Agram), Croatia | 
| 41.2 | Appointed | Agostino Gradenigo † | Bishop of Feltre, Italy | Patriarch of Aquileia, Italy | 
| 41.2 | Appointed | Nicolas Pac † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | Bishop Emeritus | 
| 49.2 | Appointed | Pedro Ponce de Léon, O.P. † | Bishop of Zamora, Spain | Bishop Emeritus | 
| Apr |  | Born | Juan Lozano, O.S.A. † |  | Bishop of Plasencia, Spain | 
| 1 Apr | 21.0 | Ordained Priest | Gregor Kathmann von Maurugk † | Priest of Lausitz (Lusatia), Germany | Prefect | 
| 12 Apr | 41.2 | Ordained Bishop | Agostino Gradenigo † | Bishop of Feltre, Italy | Patriarch of Aquileia, Italy | 
| 18 Apr | 60.2 | Died | Gerolamo Arsengo, O.F.M. Conv. † | Bishop of Bacău, Romania | 
| 36.2 | Ordained Bishop | Jean de Watteville, O. Cist. † | Bishop of Lausanne, Switzerland | 
| 19 Apr | 50.7 | Appointed | Wawrzyniec Gembicki † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Archbishop of Gniezno, Poland | 
| 50.2 | Appointed | Pedro Ordóñez y Flórez † | Archbishop of Santafé en Nueva Granada, Colombia | 
| 22 Apr |  | Born | Pietro Vito Ottoboni † |  | Pope (Roma {Rome}, Italy) | 
| 26 Apr | 43.6 | Appointed | Antonio Albergati † | Apostolic Nuncio to Germany | Bishop Emeritus of Bisceglie, Italy | 
| 65.3 | Resigned | Attilio Amalteo † | Apostolic Nuncio to Germany | Apostolic Nuncio | 
| 61.3 | Appointed | Juan Nicolás Valdés de Carriazo † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop of Guadix, Spain | 
|  | Appointed | Giovanni Antonio Santorio † | Bishop of Policastro, Italy | 
|  | Appointed | Luca Semproni † | Bishop of Città di Castello, Italy | 
| May | 52.3 | Died | Luis Pereira de Miranda † | Bishop of Santiago de Cabo Verde | 
| 5 May |  | Appointed | Benedetto Ala † | Archbishop of Urbino, Italy | 
| 42.0 | Appointed | Maffeo (Virginio Romolo) Barberini † | Cardinal-Priest of Sant’Onofrio | Pope (Roma {Rome}, Italy) | 
| 74.9 | Appointed | Domenico Toschi † | Cardinal-Priest of San Pietro in Montorio | Cardinal, Bishop Emeritus of Tivoli, Italy | 
| 9 May |  | Ordained Bishop | Benedetto Ala † | Archbishop of Urbino, Italy | 
| 54.7 | Ordained Bishop | Pedro Ginés Casanova † | Bishop of Segorbe, Spain | 
| 52.3 | Ordained Bishop | Miguel Angulo Gómez de Carvajal, O.S. † | Titular Bishop of Coronea | Auxiliary Bishop of Valencia, Spain | 
|  | Ordained Bishop | Luca Semproni † | Bishop of Città di Castello, Italy | 
| 13 May | 55.3 | Died | Antonio de Alzega (Alcega), O.F.M. † | Bishop of Coro, Venezuela | 
| 16 May | 45.3 | Ordained Bishop | Juan de Moncada † | Bishop of Barcelona, Spain | Archbishop of Tarragona, Spain | 
| 17 May | 53.3 | Appointed | Filippo Bigli (Bili), C.R. † | Bishop of Cagli, Italy | 
|  | Appointed | Juan Estelrich † | Auxiliary Bishop of Tarragona, Spain | Bishop of Jaca, Spain | 
|  | Appointed | Juan Estelrich † | Titular Bishop of Dragobitia (Drago) | Bishop of Jaca, Spain | 
| 19 May |  | Born | François-Etienne de Caulet † |  | Bishop of Pamiers, France | 
| 22 May |  | Born | Francesco Alberti di Poja † |  | Bishop of Trento, Italy | 
| 26 May | 31.4 | Appointed | Antonio Idiáquez Manrique † | Bishop of Ciudad Rodrigo, Spain | Bishop of Segovia, Spain | 
| 46.4 | Appointed | Pietro Giorgio Odescalchi † | Bishop of Vigevano, Italy | 
| 57.4 | Appointed | Bernardo de Salba, O.F.M. † | Bishop of Urgell, Spain | 
| 30 May | 31.5 | Ordained Priest | Albert von Törring † | Priest of Regensburg, Germany | Bishop | 
| 31 May | 53.4 | Ordained Bishop | Filippo Bigli (Bili), C.R. † | Bishop of Cagli, Italy | 
| 6 Jun |  | Ordained Bishop | Lourenço de Távora, O.F.M. Obs. † | Bishop of Funchal, Portugal | Bishop Emeritus of Elvas, Portugal | 
| 15 Jun |  | Born | François de Baillencourt † |  | Bishop of Brugge {Bruges}, Belgium | 
| 52.4 | Died | Charles Bourbon de Vendôme † | Archbishop Emeritus of Rouen, France | 
| 20 Jun | 40.4 | Ordained Bishop | Atanasij Aleksander Krupeckyj † | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland | 
| 21 Jun | 58.4 | Appointed | Enrique Enríquez de Almansa Manrique, O.S.A. † | Bishop of Plasencia, Spain | 
| 23 Jun | 66.4 | Died | Juan Orozco Covarrubias y Leiva † | Bishop of Guadix, Spain |