| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 68.0 | Resigned | Amador Arrais (de Mondoza), O. Carm. † | Bishop of Portalegre, Portugal | Bishop Emeritus |
| Born | Volumnio Bandinelli † | Siena, Italy | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| Born | Henri de Baradat † | | Bishop of Noyon, France |
| 52.7 | Resigned | Gian Francesco Biandrate di San Giorgio Aldobrandini † | Bishop of Acqui, Italy | Cardinal, Bishop of Faenza, Italy |
| Died | Georg Benigni, O.F.M. Conv. † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 62.0 | Appointed | Geoffroy de Billy † | Bishop of Laon, France |
| Resigned | Tommaso de Bonsi † | Bishop of Béziers, France | Bishop Emeritus |
| Appointed | Šimun Bratulić, O.S.P.P.E. † | Auxiliary Bishop of Passau, Germany | Bishop of Zagreb (Agram), Croatia |
| Born | Tommaso Carpegna, C.R. † | Rimini | Bishop of Rimini, Italy |
| Born | Michael Chumer (Chumberg), O.F.M. † | Grgar | Auxiliary Bishop of Ljubljana, Slovenia |
| Died | Enrico Cini (Siculus), O.F.M. Conv. † | Bishop of Alife, Italy |
| Born | José de la Peña † | Valtierra | Bishop of Calahorra y La Calzada, Spain |
| Ordained Bishop | Bartolomé de la Plaza, O.F.M. † | Bishop of Santiago de Cuba | Bishop of Santiago de Cuba |
| Born | Bernhard Frick † | Hachen | Auxiliary Bishop of Paderborn, Germany |
| Born | Gioavnni Battista Imperiali, C.R. † | Januae | Bishop of Aleria, France |
| Died | Laurentius Laureti, O. Carm. † | Bishop of Adria, Italy |
| Born | Antonio Lupi † | Bergomo | Bishop of Treviso, Italy |
| Born | Vincenzo Maffia, O.P. † | Palermo | Bishop of Patti, Italy |
| Born | Gaspare Mattei † | Rome, Italy | Cardinal, Cardinal-Priest of Santa Cecilia |
| 25.0 | Ordained Priest | Gerolamo Mezzamico † | Priest | Bishop of Trevico, Italy |
| Resigned | Marco Antonio Mocenigo † | Bishop of Ceneda, Italy | Bishop Emeritus |
| Born | Pietro Francesco Moia, C.R.S. † | Milan | Bishop of Telese o Cerreto Sannita, Italy |
| Born | Orazio Monaldi † | Perusiae | Bishop of Perugia, Italy |
| Died | Pietro Orsini † | Bishop of Aversa, Italy |
| 11.2 | Selected | Leopold Ferdinand von Österreich † | Coadjutor Bishop of Strasbourg, France | Former Bishop-Elect of Passau, Germany |
| Died | Joseph Parpaglia † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| Died | Domenico Petrucci † | Bishop of Bisignano, Italy |
| Born | Ottaviano Prati † | Parma | Bishop of Bertinoro, Italy |
| 51.0 | Ordained Bishop | Domingo de Salinas, O.P. † | Bishop of Coro, Venezuela |
| Born | Benito Sanchez de Herrera † | Navas de Jorquera | Bishop of Pozzuoli, Italy |
| Resigned | Silvio de Sainte-Croix † | Archbishop of Arles, France | Archbishop Emeritus |
| Born | Antonio Santacroce † | Rome | Cardinal, Archbishop Emeritus of Urbino, Italy |
| 58.3 | Resigned | Cesare Speciano (Speciani) † | Apostolic Nuncio to Germany | Bishop of Cremona, Italy |
| Died | Raffaele Tomei † | Bishop of Polignano (Polinianum), Italy |
| Died | Giovanni Battista Valier † | Bishop Emeritus of Belluno, Italy |
| Resigned | Balthasar Wurer † | Auxiliary Bishop of Konstanz {Constance}, Germany | Auxiliary Bishop Emeritus |
| 7 Jan | 70.4 | Confirmed | Renaud de Beaune † | Archbishop of Sens, France |
| 79.0 | Confirmed | Philippe du Bec † | Archbishop of Reims, France |
| Appointed | Jerónimo Teixeira Cabral † | Bishop of Angra, Portugal | Bishop of Miranda (do Douro), Portugal |
| 46.6 | Appointed | Pierre de Valernod † | Bishop of Nîmes, France |
| 10 Jan | | Born | Louis Doni d’Attichy, O.M. † | Paris | Bishop of Autun, France |
| 6 Feb | | Died | Louis de Salignac de La Mothe-Fénelon † | Bishop of Sarlat, France |
| 8 Feb | | Ordained Bishop | Charles de Balzac (Balsac) † | Bishop of Noyon, France |
| 11 Feb | 44.1 | Appointed | Jean de Bonsi † | Cardinal, Bishop of Béziers, France |
| Appointed | René de Daillon du Lude † | Bishop of Bayeux, France |
| 16 Feb | 50.1 | Appointed | Alonso D’Avalos † | Auxiliary Bishop of Valencia, Spain |
| 50.1 | Appointed | Alonso D’Avalos † | Titular Bishop of Coronea | Auxiliary Bishop of Valencia, Spain |
| Appointed | Diego Corrêa de Souza † | Bishop of Portalegre, Portugal |
| 43.1 | Appointed | Eucharius Sang † | Auxiliary Bishop of Würzburg, Germany |
| 43.1 | Appointed | Eucharius Sang † | Titular Bishop of Augustopolis in Phrygia | Auxiliary Bishop of Würzburg, Germany |
| 18 Feb | 46.1 | Succeeded | Luis Cerqueira, S.J. † | Bishop of Funay (Funai), Japan |
| 56.1 | Died | Pedro Martins, S.J. † | Bishop of Funay (Funai), Japan |
| 23 Feb | | Appointed | Giovanni Francesco Zagordo † | Bishop of Belcastro, Italy |
| 24 Feb | 46.7 | Ordained Bishop | Pierre de Valernod † | Bishop of Nîmes, France |
| Mar | | Died | Carlo Baldini † | Archbishop of Sorrento, Italy |
| Born | Consalvo Caputo † | Napoli | Bishop of Catanzaro, Italy |
| 1 Mar | 26.2 | Ordained Bishop | Henri de Gondi † | Cardinal, Bishop of Paris, France |
| 3 Mar | | Died | Jean Sarrazin, O.S.B. † | Archbishop of Cambrai, France |
| 11 Mar | 62.2 | Appointed | Jean-François Bordini, C.O. † | Archbishop of Avignon, France |
| Appointed | Hieronymus Carrerio, O.S.A. † | Titular Bishop of Calama |
| 51.8 | Appointed | Alfonso de la Mota y Escobar † | Bishop of Guadalajara, Jalisco, México | Bishop of Tlaxcala, México |
| 40.2 | Appointed | Hector Valladares † | Bishop of Ceuta, Spain |
| 40.2 | Appointed | Hector Valladares † | Bishop of Tanger, Morocco | Bishop of Ceuta, Spain |
| 70.2 | Died | Juan Velázquez de las Cuevas, O.P. † | Bishop of Avila, Spain |
| 26 Mar | | Born | Johannes Truchseß von Waldburg-Wolfegg † | Waldsee | Bishop of Konstanz {Constance}, Germany |
| 28 Mar | 56.3 | Died | Michele (Bosco) Bonelli, O.P. † | Cardinal, Cardinal-Bishop of Albano |
| 30 Mar | 61.2 | Appointed | Girolamo Rusticucci † | Cardinal-Bishop of Albano | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 76.2 | Appointed | Girolamo Simoncelli † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 3 Apr | | Appointed | Francisco Arévalo de Zuaco † | Bishop of Gerona, Spain |
| 27.3 | Appointed | Bonifazio Bevilacqua Aldobrandini † | Titular Patriarch of Constantinople | Cardinal, Cardinal-Bishop of Frascati |
| Appointed | Jérôme Centelles † | Bishop of Cavaillon, France |
| Appointed | Domingo de Ulloa, O.P. † | Bishop of Michoacán, México |
| 70.0 | Appointed | Pedro Junco Posada † | Bishop of Salamanca, Spain |
| 13 Apr | | Died | Niccolò Tornabuoni † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 23 Apr | 51.3 | Died | Francesco Cornaro (Jr.) † | Cardinal, Bishop Emeritus of Treviso, Italy |
| 1 May | | Died | Guido Serguidi † | Bishop of Volterra, Italy |
| 3 May | | Died | Vincenzo Calcio, O.P. † | Bishop of Venosa, Italy |
| 5 May | | Appointed | Francisco Robuster Sala † | Bishop of Vic, Spain |
| 18 May | | Appointed | Simon Feuerstein † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| Appointed | Simon Feuerstein † | Titular Bishop of Belline | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 39.4 | Appointed | Johann Jakob Mirgel † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 39.4 | Appointed | Johann Jakob Mirgel † | Titular Bishop of Sebaste in Cilicia | Auxiliary Bishop of Konstanz {Constance}, Germany |
| Appointed | Offredo de Offredi † | Bishop of Molfetta, Italy |
| 21 May | 21.7 | Died | Philipp Wilhelm von Bayern † | Cardinal, Bishop-Elect of Regensburg, Germany |
| 25 May | | Appointed | Vincenzo Bassi † | Bishop of Andria, Italy |
| 58.4 | Appointed | Antonio Calderón de León † | Bishop of Panamá | Bishop of Santa Cruz de la Sierra, Bolivia |
| Appointed | Bernardo del Nero, O.P. † | Bishop of Bisignano, Italy | Bishop Emeritus |
| Appointed | Jean-Jacques du Sault † | Bishop of Acqs (Dax), France |
| Appointed | Giovanni de Gantes † | Bishop of Gaeta, Italy | Bishop of Mazara del Vallo, Italy |
| Appointed | Juan Pedrosa, O.S.B. † | Archbishop of Brindisi, Italy |
| 28 May | | Installed | Ignacio Santibáñez, O.F.M. † | Archbishop of Manila, Philippines |
| 1 Jun | 65.4 | Appointed | Gerolamo Provenzale † | Archbishop of Sorrento, Italy |
| 2 Jun | 71.4 | Died | Scipione Lancellotti † | Cardinal, Cardinal-Priest of San Salvatore in Lauro |
| 22 Jun | 39.5 | Appointed | Alessandro Borghi † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy | Bishop Emeritus |
| Jul | | Died | Pedro Gómez (Fernández) de Córdoba, O.S.H. † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 2 Jul | 55.8 | Selected | Sigmund Friedrich Fugger von Kirchberg † | Bishop of Regensburg, Germany |
| 8 Jul | | Appointed | Giovanni Lippomano † | Bishop of Poreč (Parenzo), Croatia | Bishop Emeritus |
| 19 Jul | | Installed | Diogo Correia † | Bishop of Portalegre, Portugal |
| 26 Jul | | Ordained Bishop | Francisco Arévalo de Zuaco † | Bishop of Gerona, Spain |
| 31 Jul | | Appointed | Giovanni Battista Guanzato † | Bishop of Polignano (Polinianum), Italy |
| 4 Aug | | Appointed | Andrea de Franchis † | Archbishop of Trani, Italy |
| 5 Aug | | Died | Valentin Douglas, O.S.B. † | Bishop of Laon, France |
| 7 Aug | | Appointed | Luca Alemanni † | Bishop of Volterra, Italy | Bishop Emeritus |
| Appointed | Modesto Gavazzi, O.F.M. Conv. † | Bishop of Alife, Italy |
| Appointed | Girolamo di Porzia † | Bishop of Adria, Italy |
| Appointed | Sebastiano Rinaldi † | Coadjutor Bishop of Guardialfiera (Guardia), Italy | Bishop |
| Appointed | Sebastiano Rinaldi † | Titular Bishop of Chalcedon | Bishop of Guardialfiera (Guardia), Italy |
| 8 Aug | | Died | Juan Dimas Loris † | Bishop of Barcelona, Spain |
| 14 Aug | | Died | Ignacio Santibáñez, O.F.M. † | Archbishop of Manila, Philippines |
| 15 Aug | | Born | Juan Piñeiro Osorio † | Villena | Bishop of Calahorra y La Calzada, Spain |
| 16 Aug | 64.6 | Ordained Bishop | Garcia de Loaysa Giron † | Archbishop of Toledo, Spain |
| 17 Aug | 46.6 | Appointed | Sigismondo Donati † | Bishop of Venosa, Italy | Bishop of Ascoli Piceno, Italy |
| 31 Aug | | Appointed | Diego Aponte Quiñones, O.S. † | Bishop of Málaga, Spain |
| Appointed | Charles de Bourgneuf de Cucé † | Bishop of Nantes, France |
| Died | Ambroz Antun Kapić (Capizzi), O.F.M. † | Archbishop of Bar (Antivari), Montenegro |
| 63.7 | Appointed | Reginaldo de Lizárraga, O.P. † | Bishop of Concepción, Chile | Bishop of Paraguay |
| 6 Sep | 70.4 | Ordained Bishop | Pedro Junco Posada † | Bishop of Salamanca, Spain |
| Died | Francesco Serini † | Bishop of Bagnoregio (Bagnorea), Italy |
| 18 Sep | 58.7 | Confirmed | Jean du Bec (-Crespin) † | Bishop of Saint-Malo, France |
| Appointed | Gonzalo Gutiérrez Montilla † | Bishop of Oviedo, Spain |
| Appointed | Jorge de Padilla, O.P. † | Bishop of Città Ducale, Italy |
| 19 Sep | 53.7 | Died | Peter Binsfeld † | Auxiliary Bishop of Trier, Germany |
| Died | Floriano Nanni, C.R.L. † | Bishop of Scala, Italy |
| 30 Sep | 44.7 | Ordained Bishop | Jean de Bonsi † | Cardinal, Bishop of Béziers, France |
| 6 Oct | 53.0 | Died | Johann Otto von Gemmingen † | Bishop of Augsburg, Germany |
| 9 Oct | | Appointed | Bernardino Morra † | Bishop of Aversa, Italy |
| Appointed | Carlo Trotti † | Bishop of Bagnoregio (Bagnorea), Italy |
| 13 Oct | 56.1 | Confirmed | Sigmund Friedrich Fugger von Kirchberg † | Bishop of Regensburg, Germany |
| 18 Oct | 50.8 | Ordained Bishop | Alonso D’Avalos † | Titular Bishop of Coronea | Auxiliary Bishop of Valencia, Spain |
| 20 Oct | 56.8 | Died | Agostino Cusani † | Cardinal, Cardinal-Priest of Santi Giovanni e Paolo |
| 39.1 | Appointed | Claudio Rangoni † | Apostolic Nuncio to Poland | Bishop of Reggio Emilia, Italy |
| 4 Nov | | Born | Ernst Adalbert von Harrach zu Rohrau † | Wien | Cardinal, Archbishop of Praha {Prague}, Czech Republic |
| 5 Nov | | Died | Jean Louis Pallavicino Ceva † | Bishop of Nice, France |
| 8 Nov | | Born | François de Villemontée † | Paris | Bishop of Saint-Malo, France |
| 25 Nov | | Appointed | Camillo Beccio, O.S.A. † | Bishop of Acqui, Italy |
| Appointed | Juan López, O.P. † | Bishop of Monopoli, Italy | Bishop Emeritus |
| Appointed | Orazio Montani (Montano) † | Archbishop of Arles, France |
| 28 Nov | | Appointed | Francesco Bennio (de Butrio), O.S.M. † | Bishop of Scala, Italy | Bishop of Ravello e Scala, Italy |
| 29 Nov | 28.8 | Selected | Heinrich von Knöringen † | Bishop of Augsburg, Germany |
| 17 Dec | 39.1 | Resigned | Albrecht von Austria (Österreich) † | Archbishop-Elect of Toledo, Spain | Former Archbishop-Elect |
| 39.1 | Resigned | Albrecht von Austria (Österreich) † | Cardinal-Deacon of Santa Croce in Gerusalemme | Former Archbishop-Elect of Toledo, Spain |
| 26 Dec | 53.7 | Died | Neytard von Thüngen † | Bishop of Bamberg, Germany |