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 |
| 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 |