| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Pedro de Alagó y de Cardona † | Calaritan | Bishop of Mallorca, Spain |
| Born | Armand de Béthune † | Paris | Bishop of Le Puy-en-Velay, France |
| 24.2 | Ordained Priest | Jodok Brendt † | Priest of Würzburg, Germany | Auxiliary Bishop Emeritus of Passau, Germany |
| Died | Virgilio Cappone † | Bishop of Mileto, Italy |
| 48.0 | Died | Modernus (Fabrizio) Caracciolo Piscizi † | Bishop of Oppido Mamertina, Italy |
| Died | Sebastiano Carta † | Bishop of Bosa, Italy |
| 61.0 | Ordained Bishop | Antonio Corderiña Vega, O.S.A. † | Bishop of Santa Marta, Colombia | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| Appointed | Feliciano de la Vega Padilla † | Bishop of Popayán, Colombia | Archbishop of México, Federal District |
| Born | Alberto de São Gonçalo da Silva † | Amarante | Archbishop of Goa, India |
| Born | Luís da Silva Teles † | | Archbishop of Évora, Portugal |
| Born | Melchior de Escuda Aybar † | | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Henryk Firlej † | Bishop of Przemyśl, Poland | Bishop of Poznań, Poland |
| 16.0 | Professed | Gaetano Garimberti, C.R. † | Member of Congregation of Clerics Regular | Bishop of Borgo San Donnino, Italy |
| 42.0 | Appointed | Jacques Raoul de La Guibourgère † | Bishop of Saintes, France | Bishop of La Rochelle, France |
| 58.9 | Appointed | Maciej Łubieński † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Archbishop of Gniezno, Poland |
| 67.0 | Died | Pierre François Maletti, C.R.L. † | Bishop of Nice, France |
| Born | Francesco de Mandietta (Mendieta), O.SS.T. † | Matriti | Bishop of Castellammare di Stabia, Italy |
| Born | João de Melo † | Elboren | Bishop of Coimbra, Portugal |
| Died | Alvaro Mendoza, O.F.M. † | Bishop of Jaca, Spain |
| 47.0 | Ordained Priest | Richard Pauli-Stravius † | Priest of Liège, Belgium | Auxiliary Bishop of Köln {Cologne}, Germany |
| 64.8 | Ordained Bishop | Gregorio Parcero de Castro, O.S.B. † | Bishop of Perpignan-Elne, France | Bishop of Tortosa, Spain |
| 63.0 | Died | Pedro de Perea (Pérez Díaz), O.S.A. † | Bishop of Arequipa, Peru |
| Born | Sebastiano Perissi † | Senen | Bishop of Grosseto, Italy |
| Died | Marsilio Peruzzi † | Archbishop of Chieti, Italy |
| 55.1 | Ordained Bishop | Pedro Puigmartí Funes, O.S.B. † | Bishop of Solsona, Spain |
| Appointed | Miguel Da Cruz Rangal, O.P. † | Bishop of Cochin, India |
| Born | Alessandro Strozzi † | Florentin | Bishop of Arezzo, Italy |
| 26.0 | Ordained Priest | Mátyás Tarnóczy † | Priest | Bishop of Vác, Hungary |
| Appointed | Manoel Telles, O.P. † | Archbishop of Goa, India |
| Born | Francesco Antonio Triveri, O.F.M. Conv. † | Biella | Bishop of Melfi e Rapolla, Italy |
| Died | Pedro de Valencia † | Bishop of La Paz, Bolivia |
| 70.0 | Died | Franciszek Zajerski † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| Jan | | Died | Luca Castellini, O.P. † | Bishop of Catanzaro, Italy |
| Born | Vincenzo del Mastro (de Magistris), O.P. † | Napoli | Bishop of Cassano all’Jonio, Italy |
| 8 Jan | 51.0 | Appointed | Francesco Bibilia † | Bishop of Isola, Italy |
| 36.5 | Appointed | Persio Caracci † | Bishop of Larino, Italy | Bishop Emeritus |
| Appointed | Sigismondo Taddei † | Bishop of Bitetto, France | Bishop of Caiazzo, Italy |
| 12 Jan | 21.0 | Ordained Priest | Giambattista Ventriglia † | Priest | Bishop of Caserta, Italy |
| 13 Jan | | Appointed | James Fallon † | Vicar Apostolic of Achonry, Ireland |
| 18 Jan | | Born | Giuseppe Pianetti † | Aesin | Bishop of Todi, Italy |
| 21 Jan | 65.1 | Died | Diego Guzmán de Haros † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 27 Jan | 50.1 | Appointed | Pompeo Coronini † | Bishop of Trieste, Italy |
| Appointed | Nicolas de Netz † | Bishop of Orléans, France |
| Appointed | Ambrosio Vallejo Mejía, O. Carm. † | Bishop of Trujillo, Peru |
| 28 Jan | | Died | Gonzalo Hernandez y Hermosillo y Gonzalez, O.S.A. † | Bishop of Durango, México |
| 10 Feb | 51.1 | Confirmed | Juan López de Agurto de la Mata † | Bishop of Puerto Rico (Porto Rico) | Bishop of Coro, Venezuela |
| 66.1 | Appointed | Pedro Moya Arjona † | Bishop of Tui, Spain |
| Appointed | Juan de Santander, O.F.M. † | Bishop of Mallorca, Spain |
| 13 Feb | | Appointed | Kaspar Münster, O. Carm. † | Auxiliary Bishop of Osnabrück, Germany |
| Appointed | Kaspar Münster, O. Carm. † | Titular Bishop of Aureliopolis in Asia | Auxiliary Bishop of Osnabrück, Germany |
| 15 Feb | 48.6 | Selected | Anton Wolfradt † | Bishop of Wien, Austria |
| 3 Mar | | Born | Francesco Picarelli † | Sarnano | Bishop of Narni, Italy |
| 8 Mar | | Died | Juan Portocarrero, O.F.M. † | Bishop of Almería, Spain |
| Succeeded | Antonio Viedma Chaves, O.P. † | Bishop of Almería, Spain |
| 10 Mar | 33.2 | Appointed | Antonio Santacroce † | Archbishop of Chieti, Italy | Cardinal, Archbishop Emeritus of Urbino, Italy |
| 11 Mar | | Born | Wilhelm von Vintler von Runkelstein † | Brixen | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 17 Mar | 73.2 | Died | Juan Venido Castilla, O.F.M. † | Bishop of Orense, Spain |
| 24 Mar | | Confirmed | Nicolaus Grillier † | Bishop of Bazas, France |
| 34.2 | Appointed | Agustín Spínola Basadone † | Cardinal-Priest of San Bartolomeo all’Isola | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| Appointed | Abraomas Voina (Wojna) † | Bishop of Vilnius, Lithuania |
| 28 Mar | 64.4 | Died | José González Díez, O.P. † | Archbishop of Burgos, Spain |
| 31 Mar | | Died | Petrus Paunet, O.F.M. † | Bishop of Saint-Omer, France |
| Apr | | Ordained Bishop | Luis Córdoba Ronquillo, O.SS.T. † | Bishop of Cartagena, Colombia | Bishop of Trujillo, Peru |
| 7 Apr | | Appointed | Marco Giustiniani † | Bishop of Verona, Italy |
| 46.3 | Appointed | Martín de León Cárdenas, O.S.A. † | Bishop of Pozzuoli, Italy | Archbishop of Palermo, Italy |
| 58.3 | Appointed | Adam Nowodworski † | Bishop of Poznań, Poland |
| Confirmed | János Pyber de Gyerkény † | Bishop of Eger, Hungary |
| 15 Apr | | Born | Pierre de Bonzi † | Florence | Cardinal, Archbishop of Narbonne, France |
| 18 Apr | 55.3 | Died | Cosimo de’ Bardi † | Archbishop of Firenze {Florence}, Italy |
| 21 Apr | | Ordained Bishop | Kaspar Münster, O. Carm. † | Titular Bishop of Aureliopolis in Asia | Auxiliary Bishop of Osnabrück, Germany |
| 28 Apr | 51.3 | Appointed | Albertus Aliprandi † | Bishop of Andros, Greece |
| 38.8 | Died | Charles de Lorraine-Chaligny, S.J. † | Bishop Emeritus of Verdun, France |
| 47.3 | Appointed | Sebastian Müller † | Auxiliary Bishop of Augsburg, Germany |
| 47.3 | Appointed | Sebastian Müller † | Titular Bishop of Adramyttium | Auxiliary Bishop of Augsburg, Germany |
| 1 May | 47.3 | Ordained Bishop | Sebastian Müller † | Titular Bishop of Adramyttium | Auxiliary Bishop of Augsburg, Germany |
| 3 May | | Born | Filippo Tani, O.S.B. † | Albanen | Bishop of Città Ducale, Italy |
| 7 May | | Died | Giovanni Tiepolo † | Patriarch of Venezia {Venice}, Italy |
| 10 May | | Born | Flavio Chigi (Sr.) † | Siena, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 12 May | 47.4 | Confirmed | Jean Jaubert de Barrault † | Archbishop of Arles, France |
| 39.4 | Appointed | Maurizio Centini, O.F.M. Conv. † | Bishop of Mileto, Italy |
| Appointed | Gaspard de Daillon du Lude † | Bishop of Agen, France | Bishop of Albi, France |
| Appointed | Alfonso Pandolfi † | Bishop of Comacchio, Italy |
| Appointed | Melchiorre Pirella † | Bishop of Bosa, Italy | Bishop of Ales e Terralba, Italy |
| 36.4 | Appointed | Carolus Scaglia, Can. Reg. S.Geor † | Bishop of Trivento, Italy |
| Appointed | Francisco Villafañe † | Bishop of Mondoñedo, Spain | Bishop of Osma, Spain |
| 67.4 | Appointed | Diego Zúñiga Sotomayor † | Bishop of Orense, Spain | Bishop of Zamora, Spain |
| 15 May | | Born | Isidoro Sariñana y Medina Cuenca † | México | Bishop of Antequera, Oaxaca, México |
| 18 May | | Ordained Bishop | Alfonso Pandolfi † | Bishop of Comacchio, Italy |
| 22 May | | Appointed | Dionisio Tomacelli, O. Carm. † | Bishop of Castro di Puglia, Italy |
| 25 May | 45.6 | Ordained Bishop | Domingo Pimentel Zúñiga, O.P. † | Bishop of Osma, Spain | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain |
| 26 May | | Appointed | Martinus Bonaccina † | Titular Bishop of Utica |
| 53.4 | Installed | Giovanni Francesco Guidi di Bagno † | Cardinal-Priest of Sant’Alessio | Cardinal, Bishop Emeritus of Rieti, Italy |
| 37.3 | Appointed | Giovanni Battista Maria Pallotta † | Cardinal-Priest of San Silvestro in Capite | Cardinal, Cardinal-Bishop of Frascati |
| 48.9 | Confirmed | Anton Wolfradt † | Bishop of Wien, Austria |
| Jun | | Born | Ercole Domenico Monanni † | Toscana | Bishop of Terracina, Priverno e Sezze, Italy |
| 3 Jun | | Born | François de Coëtlogon-Méjusseaume † | Saint-Brieuc | Bishop of Quimper, France |
| 5 Jun | 53.4 | Appointed | Meletiy Smotrytskyi † | Titular Archbishop of Hierapolis in Phrygia |
| 8 Jun | | Born | Alfonso Enríquez de Santo Tomás, O.P. † | Vélez-Málaga | Bishop of Málaga, Spain |
| 9 Jun | | Ordained Bishop | Martinus Bonaccina † | Titular Bishop of Utica |
| Died | Antonio Viedma Chaves, O.P. † | Bishop of Almería, Spain |
| 11 Jun | | Born | Alessandro Adezario, C.R.L. † | Bergamo | Bishop of Poreč (Parenzo), Croatia |
| 51.6 | Appointed | Federico Baldissera Bartolomeo Cornaro † | Patriarch of Venezia {Venice}, Italy | Cardinal, Cardinal-Bishop of Albano |
| Appointed | Merkelis Elijaševičius Geišas † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 15 Jun | 56.5 | Died | Leonardo Tritonio † | Bishop of Poreč (Parenzo), Croatia |
| 16 Jun | | Died | Tomás Espinosa † | Auxiliary Bishop of Valencia, Spain |
| 22 Jun | 38.5 | Died | André Le Porc de la Porte † | Bishop of Saint-Brieuc, France |
| 26 Jun | | Installed | Leonel de Cervantes y Caravajal † | Bishop of Guadalajara, Jalisco, México | Bishop of Antequera, Oaxaca, México |