| Date | Age | Event | Bishop | Title | Current Title | 
| unknown | 60.0 | Resigned | Melchor Alvarez de Vozmediano † | Bishop of Guadix, Spain | Bishop Emeritus | 
 | Born | Paolo Arese, C.R. † |  | Bishop Emeritus of Tortona, Italy | 
 | Born | César Argelli (de Paltronibus) † |  | Archbishop of Avignon, France | 
 | Born | Fulcran de Barrès † |  | Bishop of Agde, France | 
| 23.0 | Ordained Priest | Zbynék Berka z Dubé a Liepé † | Priest | Archbishop of Praha {Prague}, Czechia | 
 | Resigned | Juan Antolínez Brecianos de la Rivera † | Bishop of Giovinazzo, Italy | Bishop Emeritus | 
| 97.0 | Died | Michel Briçonnet † | Bishop Emeritus of Lodève, France | 
 | Died | Pedro Buerba, O.S.A. † | Archbishop of Oristano, Italy | 
 | Born | Bernardino Buratti † |  | Archbishop of Manfredonia, Italy | 
 | Died | Valerio Cancellieri † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy | 
 | Born | Francisco de Castro † |  | Bishop Emeritus of Guarda, Portugal | 
 | Died | Angelo (Cattani) da Diacceto, O.P. † | Bishop Emeritus of Fiesole, Italy | 
 | Born | Nicolas Coëffeteau, O.P. † |  | Auxiliary Bishop of Metz, France | 
| 50.0 | Resigned | Bernardino de Cupis † | Bishop of Osimo, Italy | Bishop Emeritus | 
 | Born | Pietro Antonio Da Ponte, C.R. † |  | Bishop of Troia, Italy | 
 | Resigned | Giovanni Pietro Delfino, O.S.A. † | Bishop of Cefalonia e Zante, Greece | Bishop Emeritus | 
 | Appointed | Francesco Maria Enrici † | Auxiliary Bishop of Senigallia, Italy | Bishop | 
 | Appointed | Francesco Maria Enrici † | Titular Bishop of Nazianzus | Bishop of Senigallia, Italy | 
 | Born | Pedro de São Agostinho Figueira de Cunha Lobo, O.S.A. † |  | Bishop of São Tomé e Príncipe | 
 | Died | Antonio Fioribello † | Bishop Emeritus of Lavello, Italy | 
 | Born | Henryk Firlej † |  | Archbishop of Gniezno, Poland | 
 | Born | Andrés García de Zurita † |  | Bishop of Trujillo, Peru | 
 | Born | Nicolaus de Georgiis (Zorzi) † |  | Bishop of Hvar (Lesina), Croatia | 
 | Born | Bernardo Giustiniano † |  | Bishop of Anglona-Tursi, Italy | 
 | Born | Jean Ricard de Gourdon de Genouillac de Vaillac † |  | Bishop of Tulle, France | 
 | Born | Marco Antonio Gozzadini † |  | Cardinal, Bishop of Faenza, Italy | 
 | Died | Nicolas Landes (Lailes) † | Bishop of Cork and Cloyne, Ireland | 
 | Born | Antoine de La Rochefoucauld † |  | Bishop of Angoulême, France | 
 | Born | Stanisław Łubieński † |  | Bishop of Płock, Poland | 
 | Died | Girolamo Maccabei de Toscanella † | Bishop Emeritus of Castro [del Lazio], Italy | 
 | Died | Pedro Martínez de Luna † | Bishop of Tarazona, Spain | 
 | Born | Jacques Martin † |  | Bishop Emeritus of Vannes, France | 
 | Born | Eugene Matthews † |  | Archbishop of Dublin, Ireland | 
| 22.3 | Ordained Deacon | Lothar von Metternich † | Deacon of Trier, Germany | Archbishop | 
 | Died | Adam Mierchowski, O. Cist. † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | 
 | Born | Pietro Paolo Miloto † |  | Bishop of Chioggia, Italy | 
 | Died | Sebastiano Antonio Minturno † | Bishop of Crotone (Cotrone), Italy | 
 | Born | Tiberio Muti † |  | Cardinal, Bishop of Viterbo e Tuscania, Italy | 
 | Died | Juan Battista (Giovanni Battista) de Ojeda (Hogeda, Oxeda) † | Bishop of Agrigento (Girgenti), Italy | 
 | Died | Giulio Parisani † | Bishop of Rimini, Italy | 
 | Born | Diego Pereda, O.S. † |  | Auxiliary Bishop of Toledo, Spain | 
 | Died | Jerzy Pietkiewicz † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
 | Born | René Potier † |  | Bishop of Beauvais, France | 
 | Born | António da Ressurreição, O.P. † |  | Bishop of Angra, Portugal | 
 | Born | Yosyf Ivan Veliamyn-Rutskyi, O.S.B.M. † |  | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine | 
| 23.1 | Appointed | Heinrich von Sachsen-Lauenburg † | Bishop of Osnabrück, Germany | Archbishop-Elect of Bremen (and Hamburg), Germany | 
 | Died | Georges Salomo de Chypro, O.S.A. † | Archbishop of Damas (Maronite), Syria | 
 | Died | Fernando Santillana Figueroa † | Bishop-Elect of La Plata o Charcas, Bolivia | 
 | Born | Giulio Savelli † |  | Cardinal, Cardinal-Bishop of Frascati | 
 | Resigned | Pierre de Saint Martin † | Bishop of Vannes, France | Bishop Emeritus | 
 | Born | Pietro Valier (Valerio) † |  | Cardinal, Bishop of Padova {Padua}, Italy | 
 | Born | Giovanni Michele de Varolis, O.F.M. Conv. † |  | Bishop Emeritus of Cefalonia e Zante, Greece | 
 | Born | Jean de Watteville, O. Cist. † |  | Bishop of Lausanne, Switzerland | 
 | Born | Antonio Zara † |  | Bishop of Pedena, Austria | 
| 5 Jan | 67.0 | Died | Jean Henry, O.F.M. Conv. † | Auxiliary Bishop of Lyon, France | 
| 6 Jan | 49.0 | Died | Johann Grodecký † | Bishop of Olomouc (Olmütz), Czechia | 
| 8 Jan |  | Appointed | Tomás de Cárdenas, O.P. † | Bishop of Verapaz, Guatemala | 
 | Appointed | Gaspare Cenci † | Bishop of Melfi e Rapolla, Italy | Bishop Emeritus | 
| 50.0 | Appointed | Pedro Martín Fernández, O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | 
| 69.6 | Appointed | Stanislaw Hosius (Hozjusz) † | Major Penitentiary of the Apostolic Penitentiary | Cardinal, Bishop of Warmia (Ermland), Poland | 
| 13 Jan | 63.0 | Died | Cornelio Musso, O.F.M. Conv. † | Bishop of Bitonto, Italy | 
| 15 Jan | 43.0 | Appointed | Ludovico Antinori † | Bishop of Pistoia, Italy | Archbishop of Pisa, Italy | 
| 38.6 | Appointed | Alessandro Ottaviano de’ Medici † | Archbishop of Firenze {Florence}, Italy | Pope (Roma {Rome}, Italy) | 
| 42.0 | Appointed | Cornelio Firmano † | Bishop of Osimo, Italy | 
 | Appointed | Leandro Garuffi Rotelli de Piis † | Titular Bishop of Argos | Bishop of Sarsina, Italy | 
| 38.5 | Appointed | Marco Saracini † | Bishop of Volterra, Italy | 
| 24 Jan | 38.5 | Ordained Bishop | Marco Saracini † | Bishop of Volterra, Italy | 
| 1 Feb |  | Appointed | Robert de Girard † | Bishop of Uzés, France | 
| 12 Feb |  | Appointed | Dermot O’Cleary, O.F.M. Obs. † | Bishop of Mayo, Ireland | 
| 21 Feb |  | Ordained Bishop | Francesco Maria Enrici † | Titular Bishop of Nazianzus | Bishop of Senigallia, Italy | 
| 42.1 | Ordained Bishop | Cornelio Firmano † | Bishop of Osimo, Italy | 
| 28 Feb |  | Ordained Bishop | François Thomé † | Bishop of Saint-Malo, France | Bishop Emeritus | 
| 1 Mar |  | Appointed | Giacinto Frangipane † | Bishop of Trieste, Italy | 
| 6 Mar | 24.1 | Ordained Priest | Bartolomeo Ferrero † | Priest | Bishop of Aosta, Italy | 
| 8 Mar |  | Died | Antonio Ganguzia † | Bishop of Vieste, Italy | 
| 10 Mar |  | Appointed | Antonio Guidi † | Bishop of Trogir (Traù), Croatia | 
 | Resigned | Tommaso Sperandio Corbelli † | Bishop of Trogir (Traù), Croatia | Bishop of Bagnoregio (Bagnorea), Italy | 
| 12 Mar |  | Ordained Bishop | Gaspare Cenci † | Bishop of Melfi e Rapolla, Italy | Bishop Emeritus | 
 | Ordained Bishop | Dermot O’Cleary, O.F.M. Obs. † | Bishop of Mayo, Ireland | 
| 13 Mar |  | Died | Jean de Saint-Gelais † | Bishop Emeritus of Uzés, France | 
| 15 Mar |  | Appointed | Marcantonio Pescara † | Archbishop of Conza, Italy | 
| 59.4 | Resigned | Prospero Publicola Santacroce † | Administrator of Arles, France | Cardinal, Cardinal-Bishop of Albano | 
 | Appointed | Silvio de Sainte-Croix † | Archbishop of Arles, France | Archbishop Emeritus | 
 | Installed | François Thomé † | Bishop of Saint-Malo, France | Bishop Emeritus | 
| 19 Mar | 61.2 | Died | Francisco da Cruz, O.S.A. † | Bishop Emeritus of Santiago de Cabo Verde | 
 | Ordained Bishop | Marcantonio Pescara † | Archbishop of Conza, Italy | 
 | Ordained Bishop | Silvio de Sainte-Croix † | Archbishop of Arles, France | Archbishop Emeritus | 
| 22 Mar | 46.9 | Resigned | Zaccaria Delfino † | Bishop of Hvar (Lesina), Croatia | Cardinal, Bishop Emeritus | 
| 42.2 | Appointed | Martino de Martini, S.J. † | Bishop of Hvar (Lesina), Croatia | Bishop of San Severo, Italy | 
 | Appointed | Jean de La Haye, O.S.B. † | Bishop of Vannes, France | Bishop-Elect | 
| 29 Mar | 56.3 | Appointed | Giovanni Battista Castelli † | Bishop of Rimini, Italy | 
 | Appointed | Anselmo Olivieri, O.F.M. Obs. † | Bishop of Vieste, Italy | 
| 5 Apr | 44.9 | Died | Johann von Hoya zu Stolzenau † | Bishop of Münster, Germany | 
| 11 Apr | 17.8 | Converted | Jerzy Radziwiłł † | Cardinal, Bishop of Vilnius, Lithuania | 
| 14 Apr | 57.2 | Died | Jakob Eliner † | Auxiliary Bishop of Konstanz {Constance}, Germany | 
| 18 Apr | 59.2 | Ordained Bishop | Jacques Fouré, O.P. † | Bishop of Chalons-sur-Saône, France | 
 | Ordained Bishop | Robert de Girard † | Bishop of Uzés, France | 
| 65.4 | Died | Bernhard von Raesfeld † | Former Bishop-Elect of Münster, Germany | 
| 19 Apr |  | Appointed | Andrzej Blinowski † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | 
 | Appointed | Andrzej Blinowski † | Titular Bishop of Margarita | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | 
| 55.2 | Appointed | Francisco Gómez de Mendiola y Solórzano † | Bishop of Guadalajara, Jalisco, México | 
| 21 Apr | 42.3 | Selected | Salentin von Isenburg † | Bishop of Paderborn, Germany | Former Archbishop-Elect of Köln {Cologne}, Germany | 
| 26 Apr | 41.2 | Appointed | Romolo Archinto † | Bishop of Novara, Italy | 
| 56.5 | Appointed | Giovanni Pietro Fortiguerra † | Bishop of Bitonto, Italy | 
| 55.3 | Resigned | Giovanni Antonio Serbelloni † | Bishop of Novara, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) | 
| 28 Apr | 11.9 | Selected | Johann Wilhelm von Jülich-Kleve-Berg † | Bishop of Münster, Germany | Former Bishop-Elect | 
| 2 May | 56.4 | Ordained Bishop | Giovanni Battista Castelli † | Bishop of Rimini, Italy | 
| 3 May | 75.5 | Died | Giovanni Ricci † | Cardinal, Archbishop of Pisa, Italy | 
| 5 May | 49.3 | Appointed | Francesco Bossi † | Bishop of Perugia, Italy | Bishop of Novara, Italy | 
| 63.3 | Appointed | Theobald Craschel † | Auxiliary Bishop of Köln {Cologne}, Germany | 
| 63.3 | Appointed | Theobald Craschel † | Titular Bishop of Cyrene | Auxiliary Bishop of Köln {Cologne}, Germany | 
| 56.4 | Appointed | Fulvio Giulio della Corgna, O.S.Io.Hieros. † | Cardinal-Bishop of Albano | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
| 56.4 | Resigned | Fulvio Giulio della Corgna, O.S.Io.Hieros. † | Bishop of Perugia, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
| 59.6 | Appointed | Prospero Publicola Santacroce † | Cardinal-Priest of Sant’Adriano al Foro | Cardinal, Cardinal-Bishop of Albano | 
| 70.2 | Appointed | Scipione Rebiba † | Cardinal, Cardinal-Bishop of Sabina | 
| 6 May |  | Born | Giovanni Battista Pamphilj † |  | Pope (Roma {Rome}, Italy) | 
| 7 May |  | Died | Juan Alzóloras (Arzolaras), O.S.H. † | Bishop of Islas Canarias {Canary Islands}, Spain | 
| 10 May |  | Appointed | Gastone Ettore Paganelli † | Bishop of Gravina (di Puglia), Italy | 
| 15 May | 58.3 | Died | Gabriel Le Veneur de Tillières † | Bishop of Évreux, France | 
| 17 May | 34.0 | Appointed | Pietro Giacomo Borbone † | Archbishop of Pisa, Italy | 
 | Appointed | Massimiliano Palumbara (Palombella) † | Archbishop of Benevento, Italy | 
| 51.3 | Resigned | Giacomo Savelli † | Administrator of Benevento, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
| 22 May |  | Appointed | Jean Buxeti † | Auxiliary Bishop of Toul, France | 
 | Appointed | Jean Buxeti † | Titular Bishop of Christopolis | Auxiliary Bishop of Toul, France | 
| 24 May |  | Resigned | Alessandro Ruffino † | Bishop of Melfi e Rapolla, Italy | 
| 29 May |  | Appointed | Giuliano de’ Medici † | Archbishop of Aix, France | Bishop of Albi, France | 
 | Appointed | Francisco Pérez † | Archbishop of Cagliari, Italy | 
| 4 Jun | 62.4 | Appointed | Francisco Blanco Salcedo † | Archbishop of Santiago de Compostela, Spain | 
| 61.5 | Appointed | Martín de Córdoba Mendoza, O.P. † | Bishop of Plasencia, Spain | Bishop of Córdoba, Spain | 
| 42.4 | Appointed | Juan Manuel de la Cerda † | Bishop of Sigüenza, Spain | Bishop Emeritus | 
| 29.2 | Confirmed | Julius Echter von Mespelbrunn † | Bishop of Würzburg, Germany | 
| 42.4 | Appointed | Piotr Kostka † | Bishop of Chelmno (Culma, Kulm), Poland | 
| 52.4 | Appointed | Juan de Liermo Hermosa † | Bishop of Mondoñedo, Spain | Archbishop of Santiago de Compostela, Spain | 
| 50.4 | Died | Kaspar von Logau † | Bishop of Wrocław (Breslau), Poland | 
| 48.9 | Appointed | Francisco Sarmiento Mendoza † | Bishop of Astorga, Spain | Bishop of Jaén, Spain | 
| 6 Jun | 41.3 | Ordained Bishop | Romolo Archinto † | Bishop of Novara, Italy | 
| 7 Jun |  | Appointed | Juan Izquierdo, O.P. † | Bishop of Tortosa, Spain | 
| 13 Jun |  | Born | Juan Alonso de Solis y Mendoza, O. Carm. † |  | Bishop of Puerto Rico (Porto Rico) | 
| 18 Jun | 53.4 | Appointed | Juan de Medina Rincón y de la Vega, O.S.A. † | Bishop of Michoacán, México | 
 | Appointed | Pedro Gómez (Fernández) de Córdoba, O.S.H. † | Bishop of Santiago de Guatemala | 
| 78.4 | Appointed | Diego de Medellín, O.F.M. Obs. † | Bishop of Santiago de Chile | 
| 20 Jun | 42.9 | Died | Antoine de Créqui Canaples † | Cardinal, Bishop of Amiens, France | 
| 24 Jun |  | Born | Markus Sittikus von Hohenems † |  | Archbishop of Salzburg, Austria | 
 | Born | Juan Valenzuela Velázquez † |  | Bishop of Salamanca, Spain | 
| 25 Jun |  | Appointed | Sebastiano Barnaba † | Bishop of Giovinazzo, Italy | Bishop of Potenza, Italy | 
| 51.4 | Resigned | Marcantonio Colonna (Sr.) † | Archbishop of Salerno, Italy | Cardinal, Cardinal-Bishop of Palestrina | 
| 32.4 | Appointed | Marco Antonio Marsilio † | Archbishop of Salerno, Italy | 
 | Appointed | Dionisio de Santos, O.P. † | Bishop of Cartagena, Colombia | 
| 30 Jun |  | Died | Philippe Rodolfi † | Bishop of Albi, France |