| Date | Age | Event | Bishop | Title | Current Title | 
| unknown |  | Resigned | Geronimo Albertini † | Bishop-Elect of Avellino e Frigento, Italy | Former Bishop-Elect | 
 | Born | Gian Giacomo Amati † |  | Bishop of Bisignano, Italy | 
 | Born | Alonso D’Avalos † |  | Auxiliary Bishop of Valencia, Spain | 
 | Born | Francisco de Ávila Guzmán † |  | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme | 
 | Born | Wojciech Baranowski † |  | Archbishop of Gniezno, Poland | 
 | Born | Ermolao Barbaro † |  | Patriarch of Aquileia, Italy | 
 | Died | Fernando del Barco, O. Carm. † | Auxiliary Bishop of Salamanca, Spain | 
 | Born | Silvestro Branconi † |  | Bishop of Montemarano, Italy | 
 | Born | Martin Brenner † |  | Bishop Emeritus of Seckau, Austria | 
 | Born | Mateo Burgos Moraleja, O.F.M. † |  | Bishop of Sigüenza, Spain | 
 | Resigned | Evangelista Cittadini † | Bishop of Alessano, Italy | Bishop Emeritus | 
 | Born | Côme (Cosme) Clausse de Marchaumont † |  | Bishop of Chalons-sur-Marne, France | 
 | Born | Napoleone Comitoli † |  | Bishop of Perugia, Italy | 
 | Born | Giovanni Battista Comparini † |  | Bishop of Fondi (Fundi), Italy | 
 | Resigned | Nicholas Comyn † | Bishop of Waterford and Lismore, Ireland | Bishop Emeritus | 
 | Born | Juan Cuenca † |  | Bishop of Cádiz, Spain | 
 | Born | Antoine de Révol † |  | Bishop of Dol, France | 
 | Died | Agostino Falivenia (Pastineus), O.S. † | Bishop of Ischia, Italy | 
 | Died | Pedro Gau, O.P. † | Auxiliary Bishop of Urgell, Spain | 
 | Died | Alberico Giaquinta (Jacquinti) † | Bishop of Telese o Cerreto Sannita, Italy | 
 | Born | Claude de Granier, O.S.B. † |  | Bishop of Genève {Geneva}, Switzerland | 
 | Resigned | Sebastiano Graziani † | Bishop of Trevico, Italy | Bishop Emeritus | 
 | Born | Juan Hurtado de Mendoza † |  | Cardinal, Cardinal-Priest of Santa Maria in Traspontina | 
 | Died | Humbert Iserand, O.S.B. † | Bishop of Glandèves, France | 
 | Died | Giovanni Battisti de Lisulis † | Bishop of Guardialfiera (Guardia), Italy | 
| 23.2 | Resigned | Nicolas de Lorraine † | Bishop-Elect of Verdun, France | Former Bishop-Elect | 
| 44.0 | Died | Giacomo Antonio Lucifero † | Bishop of Umbriatico (Umbriaticum), Italy | 
 | Died | Tranquillo de Macarazzi † | Bishop of Ferentino, Italy | 
 | Born | Edmund MacGauran (Magauran) † |  | Archbishop of Armagh, Ireland | 
 | Born | Bernard Maciejowski † |  | Cardinal, Archbishop of Gniezno, Poland | 
| 66.0 | Ordained Bishop | Györgi Martinuzzi, O.S.P.P.E. † | Cardinal, Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | 
 | Died | Ménald de Martory, O.S.A. † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France | 
 | Resigned | Donato Martuccio (Maricucci) † | Bishop of Sarno, Italy | Bishop Emeritus | 
 | Died | Jean Masson, O. Carm. † | Auxiliary Bishop of Poitiers, France | 
 | Born | Jean de Monluc, O.S.Io.Hieros. † |  | Bishop of Condom, France | 
 | Died | Francesco de Noctucis † | Bishop of Oppido Mamertina, Italy | 
 | Born | Guillaume de Péricard † |  | Bishop of Évreux, France | 
| 33.2 | Appointed | Prospero Publicola Santacroce † | Apostolic Nuncio to Germany | Cardinal, Cardinal-Bishop of Albano | 
 | Born | Jorge de Quemado (Queimada), O.S.A. † |  | Auxiliary Bishop of Braga, Portugal | 
 | Born | Antonio de Santo Estevão, O.P. † |  | Bishop of Angola e Congo | 
 | Died | Miguel de Sanguesa, O. Cist. † | Auxiliary Bishop of Tarazona, Spain | 
| 21.8 | Resigned | Niccolò Caetani di Sermoneta † | Archbishop of Capua, Italy | Cardinal, Administrator | 
 | Died | Girolamo Sigismondi † | Bishop of Patti, Italy | 
 | Died | Bernardino (Jean) de Soria, O.F.M. † | Bishop of Venafro, Italy | 
 | Died | Agostino Steuco, C.R.S.A. † | Bishop of Kisamos (Cisamo), Greece | 
 | Born | Felipe Tarsis de Acuña, O.S. † |  | Archbishop of Granada, Spain | 
 | Died | Jerónimo del Toro, O.S.A. † | Auxiliary Bishop of Lérida, Spain | 
| 52.0 | Died | Cesare Trivulzio † | Bishop of Como, Italy | 
 | Died | Giovanni Battista Vergerio † | Bishop of Pula (Pola), Croatia | 
| 33.0 | Ordained Priest | Johann Jakob von Kuen-Belasy † | Priest of Brixen {Bressanone}, Italy | Archbishop of Salzburg, Austria | 
 | Born | Tommaso Zerula † |  | Bishop of Minori, Italy | 
| 6 Jan |  | Born | Johann Nopel (Jr.) † |  | Auxiliary Bishop of Köln {Cologne}, Germany | 
 | Born | Francesco Panigarola (Panicarola), O.F.M. Obs. † |  | Bishop of Asti, Italy | 
| 9 Jan | 24.2 | Elevated to Cardinal | Charles Bourbon de Vendôme † | Cardinal, Archbishop of Rouen, France | 
 | Appointed | Balthasar de Jarente † | Archbishop of Embrun, France | 
| 55.0 | Appointed | Antoine de Lévis de Château-Morand † | Archbishop (Personal Title) of Saint-Flour, France | Bishop | 
| 14.7 | Elevated to Cardinal | Giulio della Rovere † | Cardinal, Archbishop of Ravenna, Italy | 
 | Died | Peter Stoll, O.P. † | Auxiliary Bishop of Freising, Germany | 
| 13 Jan |  | Appointed | Jacques Corneillan † | Bishop of Vabres, France | Bishop Emeritus of Rodez, France | 
| 47.0 | Appointed | Georges d’Armagnac † | Archbishop of Tours, France | Cardinal, Archbishop Emeritus | 
| 25 Jan |  | Died | Rodrigo Sánchez Mercado † | Bishop of Ávila, Spain | 
| Feb |  | Born | Giovanni Evangelista Pallotta † |  | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
| 14 Feb |  | Selected | Antonius Lucurri (Cogorno), O.P. † | Bishop of Brugnato, Italy | Bishop Emeritus | 
| 19 Feb |  | Ordained Bishop | Antoine Olivier † | Bishop of Digne, France | Bishop of Lombez, France | 
| 24 Feb |  | Appointed | Ascanio Ferreri † | Bishop of Montepeloso, Italy | Bishop Emeritus | 
| 25 Feb | 55.1 | Resigned | Giovanni Domenico de Cupis † | Administrator of Recanati, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) | 
 | Appointed | Paolo de Cupis † | Bishop of Recanati, Italy | 
| 5 Mar |  | Confirmed | Antonius Lucurri (Cogorno), O.P. † | Bishop of Brugnato, Italy | Bishop Emeritus | 
| 63.1 | Resigned | Agostino Trivulzio † | Administrator of Brugnato, Italy | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro | 
| 13 Mar |  | Born | Sasbout Vosmeer † |  | Vicar Apostolic of Batavia (Holland Mission), Netherlands | 
| 14 Mar |  | Appointed | Giovanni Beraldo † | Bishop of Telese o Cerreto Sannita, Italy | Bishop of Sant’Agata de’ Goti, Italy | 
| 17 Mar | 70.2 | Died | Adrian von Riedmatten (I) † | Bishop of Sion {Sitten}, Switzerland | 
| 18 Mar | 63.2 | Resigned | Agostino Trivulzio † | Administrator of Grasse, France | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro | 
| 22 Mar |  | Appointed | Giambattista Caracciolo Pisquizi † | Bishop of Venafro, Italy | 
 | Appointed | Juan Cordella † | Bishop of Guardialfiera (Guardia), Italy | 
| 48.2 | Appointed | Jacques d’Annebaut † | Cardinal-Priest of Santa Susanna | Cardinal, Bishop of Lisieux, France | 
| 32.2 | Appointed | Cesare Gambara † | Bishop of Tortona, Italy | 
| 59.1 | Resigned | Uberto Gambara † | Bishop of Tortona, Italy | Cardinal, Bishop Emeritus | 
 | Selected | Jean Jordan † | Bishop of Sion {Sitten}, Switzerland | 
| 33.4 | Appointed | Prospero Publicola Santacroce † | Bishop of Kisamos (Cisamo), Greece | Cardinal, Cardinal-Bishop of Albano | 
| 30 Mar | 63.2 | Died | Agostino Trivulzio † | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro | 
| 2 Apr | 72.2 | Died | Gregor Angerer (Langer) † | Bishop of Wiener Neustadt, Austria | 
| 3 Apr | 30.2 | Ordained Bishop | Pompeo Zambeccari † | Bishop of Valva e Sulmona, Italy | 
| 8 Apr |  | Ordained Bishop | Juan Segría (Cengria) † | Titular Bishop of Christopolis | Archbishop of Palermo, Italy | 
| 9 Apr | 56.2 | Appointed | Jean du Bellay † | Cardinal-Priest of Sant’Adriano al Foro | Cardinal, Bishop Emeritus of Paris, France | 
| 15.0 | Installed | Giulio della Rovere † | Cardinal-Deacon of San Pietro in Vincoli | Cardinal, Archbishop of Ravenna, Italy | 
| 13 Apr | 41.2 | Appointed | Giovanni Battista Bernardi † | Coadjutor Bishop of Ajaccio, France | Bishop Emeritus | 
| 18 Apr | 37.2 | Ordained Bishop | Adolf von Schauenburg † | Archbishop of Köln {Cologne}, Germany | 
| 20 Apr |  | Died | Theodore Petit, O.S.A. † | Auxiliary Bishop of Chalons-sur-Marne, France | 
 | Died | Stanislav Škovránko (Várallyi) † | Bishop of Pécs, Hungary | 
| 27 Apr |  | Appointed | Alessandro Ruffino † | Coadjutor Bishop of Melfi e Rapolla, Italy | Bishop | 
| 27.3 | Appointed | Guglielmo Tuttavilla † | Bishop of Sarno, Italy | 
| 4 May | 80.3 | Died | Busso von Alvensleben † | Bishop of Havelberg, Germany | 
| 7 May |  | Appointed | Diego Alava Esquivel † | Bishop of Ávila, Spain | Bishop of Córdoba, Spain | 
 | Appointed | Tommaso Caselli, O.P. † | Bishop of Oppido Mamertina, Italy | Bishop of Cava (de’ Tirreni), Italy | 
 | Appointed | Antonio Codina, O.S.A. † | Auxiliary Bishop of Barcelona, Spain | 
 | Appointed | Antonio Codina, O.S.A. † | Titular Bishop of Lachorens | Auxiliary Bishop of Barcelona, Spain | 
 | Appointed | Cesare Foggia † | Bishop of Umbriatico (Umbriaticum), Italy | 
 | Appointed | Luigi Vannini de Theodoli, C.R.L. † | Bishop of Bertinoro, Italy | 
| 16 May |  | Appointed | Charles d’Humières † | Bishop of Bayeux, France | 
| 44.5 | Appointed | Martín Pérez de Ayala † | Bishop of Guadix, Spain | Archbishop of Valencia, Spain | 
 | Appointed | Niccolò di Lorenzo Rodolfi † | Bishop of Orvieto, Italy | 
| 17 May | 52.3 | Appointed | Gaspare Ricciullo del Fosso, O.M. † | Bishop of Scala, Italy | Archbishop of Reggio Calabria, Italy | 
| 22 May | 74.3 | Ordained Bishop | Rembert von Kerssenbrock † | Bishop of Paderborn, Germany | 
| 25 May | 27.3 | Appointed | Antonio Altoviti † | Archbishop of Firenze {Florence}, Italy | 
| 47.3 | Resigned | Niccolò Ridolfi † | Administrator of Viterbo e Tuscania, Italy | Cardinal, Administrator of Vicenza, Italy | 
| 47.3 | Resigned | Niccolò Ridolfi † | Archbishop of Firenze {Florence}, Italy | Cardinal, Administrator of Vicenza, Italy | 
 | Appointed | Niccolò di Antonio Ugolini (Monterchiis) † | Bishop of Viterbo e Tuscania, Italy | 
| 26 May | 48.3 | Selected | Jodocus Hoetfilter † | Bishop of Lübeck, Germany | 
| 3 Jun | 80.4 | Died | Juan de Zumárraga, O.F.M. † | Archbishop of México, Federal District | Archbishop of México, Federal District | 
| 4 Jun | 43.4 | Appointed | Pedro Acuña Avellaneda † | Bishop of Astorga, Spain | Bishop of Salamanca, Spain | 
 | Appointed | Ubaldinus Bandinelli † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy | 
| 47.7 | Appointed | Sebastiano Antonio Pighini † | Bishop of Ferentino, Italy | Cardinal, Archbishop of Manfredonia, Italy | 
 | Appointed | Filippo Angelo Seragli, O.S.B. † | Bishop of Alife, Italy | 
| 29.5 | Resigned | Guido Ascanio Sforza di Santa Fiora † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy | Cardinal, Chamberlain (Camerlengo) of the Apostolic Chamber | 
| 13 Jun |  | Appointed | Oswald Fischer (Arnsperger) † | Auxiliary Bishop of Freising, Germany | 
 | Appointed | Oswald Fischer (Arnsperger) † | Titular Bishop of Dariensis | Auxiliary Bishop of Freising, Germany | 
 | Confirmed | Jean Jordan † | Bishop of Sion {Sitten}, Switzerland | 
| 29.5 | Appointed | Nicolas Psaulme, O. Praem. † | Bishop of Verdun, France | 
 | Appointed | Martín Sarmiento de Osacastro, O.F.M. † | Bishop of Tlaxcala (Puebla de los Angeles), México | 
| 60.4 | Died | Johannes von Weeze † | Bishop of Konstanz {Constance}, Germany | 
| 22 Jun | 53.4 | Appointed | Cesare Cibo (Cybo) † | Archbishop of Torino {Turin}, Italy | 
| 56.8 | Resigned | Innocenzo Cibo (Cybo) † | Administrator of Torino {Turin}, Italy | Cardinal, Archbishop of Genova, Italy | 
 | Appointed | Octaviano Cibo (Cybo) † | Bishop of Mariana, France | 
| 25 Jun |  | Selected | Jean de Lustrac † | Bishop of Périgueux (Vesuna), France |