| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Hieronymus Otto Agricola † | Dilingano | Bishop of Brixen {Bressanone}, Italy |
| Died | Alticotius de Alticotiis † | Bishop of Guardialfiera (Guardia), Italy |
| Appointed | Beltramino Beltramini † | Bishop of Terracina, Priverno e Sezze, Italy |
| Died | Francesco Beltramini † | Bishop of Terracina, Priverno e Sezze, Italy |
| 27.0 | Ordained Priest | Silvestro Branconi † | Priest | Bishop of Montemarano, Italy |
| Born | Baldassare Cagliares, O.S.Io.Hieros. † | Valletta | Bishop of Malta |
| Born | Carlo Catalani † | | Bishop of Crotone (Cotrone), Italy |
| 23.0 | Professed | Luis Cerqueira, S.J. † | Member of Society of Jesus | Bishop of Funay (Funai), Japan |
| Died | Giovanni Francesco Cibo † | Bishop of Gallipoli, Italy |
| Born | Girolamo Curlo † | Albinganen | Bishop of Ventimiglia, Italy |
| Born | Ludovico degli Atti (De Actis) † | Tuderti | Bishop of Segni, Italy |
| Resigned | Giuliano de’ Medici † | Archbishop of Aix, France | Archbishop Emeritus |
| Born | Giovanni Battista de Paola † | Montalto | Bishop of Bisignano, Italy |
| Appointed | François Fléhard † | Bishop of Grenoble, France |
| 25.0 | Ordained Priest | Johann Flugi d&rqsuo;Apremont † | Priest | Bishop Emeritus of Chur, Switzerland |
| Born | Lucas de Franchis † | Napoli | Bishop of Ugento, Italy |
| Born | Crispin Fuk von Hradiste, O. Praem. † | Olomouc | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| Died | Filippo Geri † | Bishop of Assisi, Italy |
| Born | Antonio de Gouvea, O.S.A. † | Beja | Titular Bishop of Cyrene |
| Resigned | Vespasien Gribaldi † | Archbishop of Vienne, France | Archbishop Emeritus |
| Born | Agustin de Hinojosa y Montalvo, O.F.M. † | Madrid, Spain | Bishop of Nicaragua |
| Born | Thomas Ivkovich, O.F.M. † | Foinza | Bishop of Scardona (Skradin), Italy |
| Born | Ramón Ivorra † | Lérida | Bishop of Perpignan-Elne, France |
| Resigned | Pietro Landi † | Archbishop of Candia, Greece | Archbishop Emeritus |
| Born | Nicolaus Lesdos (Ludosius) † | Cherbourg | Bishop Emeritus of Milos (Melos), Greece |
| Born | Lilius Lilius † | | Auxiliary Bishop of Constantinople |
| Born | Cosimo Mannucci † | Firenze | Bishop of Terni, Italy |
| Resigned | Alessandro Mazza † | Bishop of Fossombrone, Italy | Bishop Emeritus |
| Died | Giovanni Melis, O.F.M. Conv. † | Bishop of Bosa, Italy |
| Born | Michael Masserotti (Misserotti), O.F.M. Conv. † | Bononiae | Bishop of Bitetto, France |
| Died | Patrick MacMahon, O.F.M. † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Born | Hector de Monte † | Lanciani | Bishop of Termoli, Italy |
| Born | Orazio Muscettola † | Napoli | Bishop of Trevico, Italy |
| Died | Dermot O’Cleary, O.F.M. † | Bishop of Mayo, Ireland |
| Died | Angelo Oraboni, O.F.M. † | Archbishop of Trani, Italy |
| Born | Paolo Orsini, O.P. † | | Bishop of Montalto (delle Marche), Italy |
| Died | Gastone Ettore Paganelli † | Bishop of Gravina (di Puglia), Italy |
| Died | Gerolamo Politi, O.P. † | Bishop of Trevico, Italy |
| Ordained Bishop | Julián Ramirez, O.S. † | Bishop of Guadix, Spain | Bishop Emeritus |
| Born | Domenico Rivarola † | Genoa | Cardinal, Titular Archbishop of Nazareth |
| Born | Roberto Roberti (-Vittori), O.P. † | | Bishop of Tricarico, Italy |
| 18.0 | Professed | Francisco Rodríguez, S.J. † | Member of Society of Jesus | Archbishop of Cranganore (Angamala), India |
| 25.0 | Ordained Priest | Paulus Aemilius Sammarco † | Priest | Bishop of Umbriatico (Umbriaticum), Italy |
| 27.0 | Ordained Priest | Luis Sans y Códol † | Priest | Bishop of Barcelona, Spain |
| Born | Gonzalo Sánchez de Somoza Quiroga † | Santa María de Ferreira | Bishop of Mondońedo, Spain |
| 53.2 | Resigned | Lucio Sassi † | Bishop of Ripatransone, Italy | Cardinal, Bishop Emeritus |
| Died | Donato Stampa † | Bishop of Nepi e Sutri, Italy |
| Born | Denis Stoffels (Christophori) † | Antwerpen | Bishop of Brugge {Bruges}, Belgium |
| Born | János Telegdy † | Nové Zámky | Archbishop of Kalocsa, Hungary |
| Died | Paolo Terracino † | Bishop of Calvi Risorta, Italy |
| Born | Leonardo Tritonio † | Utinen | Bishop of Poreč (Parenzo), Croatia |
| Ordained Bishop | Cristóbal Vela Tavera † | Bishop of Islas Canarias {Canary Islands}, Spain | Archbishop of Burgos, Spain |
| 23.0 | Ordained Priest | Alfonso Visconti, C.O. † | Priest | Cardinal, Bishop of Spoleto, Italy |
| Resigned | Prospero Vitelliano † | Bishop of Bisignano, Italy | Bishop Emeritus |
| Born | Jan Wężyk † | | Archbishop of Gniezno, Poland |
| Born | August Wiederin von Ottersbach † | Prague | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 11 Jan | 54.0 | Died | Gianpaolo della Chiesa † | Cardinal, Cardinal-Priest of San Pancrazio |
| 17 Jan | | Died | Antoine Le Cirier † | Bishop of Avranches, France |
| 19 Jan | | Appointed | Antonio de Zayas, O.F.M. † | Bishop of Nicaragua | Bishop Emeritus |
| Appointed | Coriolani Garzadori † | Bishop of Ossero (Osor), Croatia | Bishop Emeritus |
| Appointed | Juan Sena, O.S.A. † | Bishop of Bosa, Italy |
| 22 Jan | | Born | Louis III de Guise de Lorraine † | Lorraine | Cardinal, Archbishop-Elect of Reims, France |
| 29 Jan | 76.5 | Died | Hernando de Aragón, O. Cist. † | Archbishop of Zaragoza, Spain |
| 4 Feb | | Born | Pierre Bérulle, C.O.I. † | Castle of Sérilly, France | Cardinal, Superior General of Société de l’Oratoire de Jésus |
| 30.1 | Appointed | Johann Kaspar Neuböck † | Bishop of Wien, Austria |
| Appointed | Juan Terés † | Auxiliary Bishop of Tarragona, Spain | Archbishop |
| Appointed | Juan Terés † | Titular Bishop of Marocco o Marruecos, Titular Sees | Archbishop of Tarragona, Spain |
| 6 Feb | | Ordained Bishop | Marcin Gerstmann † | Bishop of Wrocław (Breslau), Poland |
| 16 Feb | | Died | Crisostomo Calvino, O.S.B. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 20 Feb | | Ordained Bishop | Thomas Albin von Helfenburg † | Bishop of Olomouc (Olmütz), Czech Republic |
| 28 Feb | | Appointed | Simăo de Sá Pereira † | Bishop of Lamego, Portugal | Bishop of Porto, Portugal |
| 56.2 | Appointed | Antonio Manrique Valencia † | Bishop of Pamplona, Spain |
| 7 Mar | | Born | Giovanni Tommaso Eustachio, C.O. † | San Bartolomeo sul Volturno | Bishop Emeritus of Larino, Italy |
| 9 Mar | | Appointed | Vincenzo Portico † | Archbishop of Dubrovnik (Ragusa), Croatia | Archbishop Emeritus |
| 10 Mar | | Died | Thomas Albin von Helfenburg † | Bishop of Olomouc (Olmütz), Czech Republic |
| Born | Giovanni Antonio Facchinetti (Jr.) † | Bologna, Italy | Cardinal, Cardinal-Priest of Santi Quattro Coronati |
| 18 Mar | | Died | Marcantonio Bobba † | Cardinal, Bishop Emeritus of Aosta, Italy |
| 11 Apr | | Appointed | Heinrich Fabricius † | Auxiliary Bishop of Speyer, Germany |
| Appointed | Heinrich Fabricius † | Titular Bishop of Daulia | Auxiliary Bishop of Speyer, Germany |
| 22 Apr | | Appointed | Augustinus Le Cirier † | Bishop of Avranches, France |
| 28 Apr | | Died | Gonzalo Arias Gallego † | Bishop of Cartagena (en Espańa) |
| May | 30.1 | Ordained Bishop | Julius Echter von Mespelbrunn † | Bishop of Würzburg, Germany |
| 9 May | | Appointed | Giulio Ricci † | Bishop of Gravina (di Puglia), Italy | Bishop of Teramo, Italy |
| Appointed | Daniele Vocazio, O.F.M. † | Bishop of Muro Lucano, Italy |
| 20 May | 37.7 | Appointed | Filippo Sega † | Bishop of Ripatransone, Italy | Cardinal, Bishop of Piacenza, Italy |
| 30 May | | Born | Diego Salcedo Benacos † | Huete | Bishop of Astorga, Spain |
| 2 Jun | | Born | Sixt Werner von Vogt von Altensumerau und Prasberg † | | Bishop-Elect of Konstanz {Constance}, Germany |
| 4 Jun | 37.9 | Died | Johann Eglof von Knöringen † | Bishop-Elect of Augsburg, Germany |
| 15 Jun | | Born | Lelio Biscia † | Rome, Italy | Cardinal, Cardinal-Priest of Santa Maria del Popolo |
| 26 Jun | 56.5 | Ordained Bishop | Antonio Manrique Valencia † | Bishop of Pamplona, Spain |
| 29 Jun | 37.9 | Ordained Bishop | Filippo Sega † | Bishop of Ripatransone, Italy | Cardinal, Bishop of Piacenza, Italy |
| 4 Jul | | Appointed | Hector Wegmann † | Auxiliary Bishop of Passau, Germany |
| Appointed | Hector Wegmann † | Titular Bishop of Symbalia (Cembalo) | Auxiliary Bishop of Passau, Germany |
| 5 Jul | | Born | Pedro Ruiz Valdivieso † | Madrid, Spain | Bishop of Orense, Spain |
| 12 Jul | | Died | Giovanni Battista Sighicelli † | Bishop of Faenza, Italy |
| 20 Jul | | Appointed | Antônio Barreiros, O. Cist. † | Bishop of Săo Salvador da Bahia, Brazil |
| Appointed | Jean-Baptiste du Bourg † | Bishop of Rieux, France |
| Appointed | Alessio Stradella, O.S.A. † | Bishop of Nepi e Sutri, Italy |
| 23 Jul | | Appointed | Annibale Grassi † | Bishop of Faenza, Italy | Bishop Emeritus |
| 26 Jul | 47.6 | Selected | Marquard von Berg † | Bishop of Augsburg, Germany |
| 28 Jul | | Born | Fernando Valdés Llano † | Cangas de Tineo | Archbishop of Granada, Spain |
| 31 Jul | | Died | Jerónimo de Corella (Covella), O.S.H. † | Bishop of Comayagua, Honduras |
| 9 Aug | | Died | Giulio Contarini † | Bishop of Belluno, Italy |
| Died | Giacomo Lomellino del Canto † | Archbishop of Palermo, Italy |
| Succeeded | Giovanni Battista Valier † | Bishop of Belluno, Italy | Bishop Emeritus |
| 10 Aug | 17.6 | Professed | Juan Pérez de Espinosa, O.F.M. † | Member of Order of Friars Minor | Bishop Emeritus of Santiago de Chile |
| 12 Aug | | Born | Johann Gottfried von Aschhausen † | Lauda | Bishop of Bamberg, Germany |
| 24 Aug | 51.9 | Resigned | Charles Bourbon de Vendôme † | Administrator of Beauvais, France | Cardinal, Archbishop of Rouen, France |
| Sep | 58.9 | Resigned | Archangelo de’ Bianchi (Blanca), O.P. † | Bishop of Teano, Italy | Cardinal, Bishop Emeritus |
| 2 Sep | | Appointed | Benedetto Oliva † | Bishop of Trevico, Italy |
| 18 Sep | | Appointed | Giovanni Paolo Marincola † | Bishop of Teano, Italy | Bishop Emeritus |
| Appointed | Gaspar Vicente Novella † | Bishop of Ampurias e Civita, Italy | Archbishop of Cagliari, Italy |
| 21 Sep | | Died | Bernardo Jossa Cardona, O.S.B. † | Bishop of Vic, Spain |
| 22 Sep | | Died | Stanisław Słomowski (Szbomowski) † | Archbishop of Lviv, Ukraine |
| 23 Sep | | Appointed | Leonardo Bonaccorsi † | Bishop of Bisceglie, Italy |
| 56.2 | Resigned | Giovanni Antonio Facchinetti de Nuce † | Bishop of Nicastro, Italy | Pope (Roma {Rome}, Italy) |
| Appointed | Ascanio Marchesini † | Bishop of Calvi Risorta, Italy |
| Appointed | Giovanni Andrea Signati † | Bishop of Bisignano, Italy |
| Appointed | Ferdinando Spinelli † | Bishop of Nicastro, Italy | Bishop of Policastro, Italy |
| 24 Sep | 47.7 | Confirmed | Marquard von Berg † | Bishop of Augsburg, Germany |
| 3 Oct | | Appointed | Simeone Metis † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| 11 Oct | | Born | Diego Rueda Rico † | Granada | Bishop of Tui, Spain |
| 14 Oct | | Appointed | Francesco Indelli † | Bishop of Guardialfiera (Guardia), Italy |
| Died | Eustachio Locatelli, O.P. † | Bishop of Reggio Emilia, Italy |
| 17 Oct | 64.8 | Died | Gaspar Cervantes de Gaete † | Cardinal, Archbishop of Tarragona, Spain |
| 19 Oct | | Appointed | Francesco Martelli † | Bishop of Reggio Emilia, Italy |
| 25 Oct | | Died | Jerónimo de Loayza, O.P. † | Archbishop of Lima, Peru |
| Nov | | Died | Giovanni Andrea Signati † | Bishop of Bisignano, Italy |
| 1 Nov | | Died | Simon Vigor † | Archbishop of Narbonne, France |
| 23 Nov | | Born | Pedro Puigmartí Funes, O.S.B. † | Elna-Perpińán | Bishop of Solsona, Spain |
| 28 Nov | 69.4 | Died | Girolamo Garimberti (Galimbertu) † | Bishop of Gallese, Italy |
| Dec | | Ordained Bishop | Dionisio de Santos, O.P. † | Bishop of Cartagena, Colombia |
| 2 Dec | | Appointed | Ludovico Antinori † | Bishop of Pisa, Italy |
| Appointed | Pompeo Belli † | Bishop of Bisignano, Italy |
| Appointed | Lattanzio Lattanzi † | Bishop of Pistoia, Italy |
| Appointed | Antonio Lorenzini † | Bishop of Assisi, Italy |
| 5 Dec | | Appointed | Łukasz Kościelecki † | Bishop of Przemyśl, Poland | Bishop of Poznań, Poland |
| 8 Dec | 47.9 | Ordained Priest | Marquard von Berg † | Priest of Augsburg, Germany | Bishop |
| 14 Dec | | Died | Martín Martínez de Villar † | Bishop of Barcelona, Spain |