Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Giovanni de Almodonari, O.F.M. † | Bishop of Stefaniaco e Benda, Albania |
| Born | Onofrio Bartolini de’ Medici † | | Archbishop of Pisa, Italy |
| Died | Walter Blake † | Bishop of Clonmacnoise, Ireland |
| Died | Ludovico Bruno † | Bishop of Acqui, Italy |
28.0 | Appointed | François Guillaume de Castelnau de Clermont-Ludčve † | Bishop of Senez, France | Cardinal, Cardinal-Bishop of Frascati |
| Died | Urbano de Caragnano † | Bishop of Monopoli, Italy |
| Died | Angelo Castalsi † | Bishop of Isola, Italy |
| Resigned | Mikołaj Chrapicki (Crapitz) † | Bishop of Chelmno (Culma, Kulm), Poland | Bishop Emeritus |
| Born | Lancelot de Clare † | | Bishop of Riez, France |
| Died | Thomas Clerke † | Bishop Emeritus of Killala, Ireland |
| Died | Francesco Conti, O.P. † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| Resigned | Denis de Bar † | Bishop of Saint-Papoul, France | Bishop Emeritus |
35.0 | Appointed | Sisto Gara della Rovere (Franciotti) † | Bishop of Camerino, Italy | Cardinal, Bishop of Padova {Padua}, Italy |
| Died | Pierre DuFour † | Bishop of Lectoure, France |
29.0 | Entered | Zacharias Ferrari, O.S.B. † | Member of Carthusian Order | Bishop of Guardialfiera (Guardia), Italy |
| Died | Alonso de Fonseca y Acevedo † | Archbishop of Santiago de Compostela, Spain |
| Born | Girolamo de Francisco † | | Bishop of Mazara del Vallo, Italy |
| Died | Niels Friis † | Bishop of Viborg, Denmark |
| Died | Stefano Goffredi † | Bishop of Catanzaro, Italy |
| Died | Angelo Lacerti † | Bishop of Molfetta, Italy |
| Resigned | Christophe de La Tuade † | Bishop of Glandčves, France | Bishop Emeritus |
| Died | Francesco de Lavello, O. Cart. † | Bishop of Ravello, Italy |
| Died | Joăo Lobo † | Bishop of Tanger (Tangier), Morocco |
68.0 | Died | Fabrizio Marliani † | Bishop of Piacenza, Italy |
| Born | Jean de Montluc † | | Bishop Emeritus of Valence and Die, France |
| Appointed | Thomas O’Mullaly † | Bishop of Clonmacnoise, Ireland | Archbishop of Tuam, Ireland |
| Born | Francisco Pacheco de Toledo (Villena) † | | Cardinal, Archbishop of Burgos, Spain |
| Died | Francesco Pellicer † | Archbishop of Sassari, Italy |
| Born | Alessandro Piccolomini † | | Coadjutor Archbishop of Siena, Italy |
| Ordained Bishop | Diego Ribera de Toledo † | Bishop of Mallorca, Spain | Bishop of Segovia, Spain |
| Died | Guillaume de Rochefort (Rupe), O.S.B. † | Bishop of Alet, France |
| Born | Paolo Sadoleto † | | Bishop of Carpentras, France |
| Born | Bernardo Salviati † | | Cardinal, Bishop Emeritus of Saint-Papoul, France |
33.0 | Resigned | Federico Sanseverino † | Administrator of Maillezais, France | Cardinal, Apostolic Administrator Emeritus of Novara, Italy |
| Born | Georges de Selve † | | Bishop of Lavaur, France |
| Born | Henry Sinclair † | | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain |
| Born | Jérôme Souchier, O. Cist. † | | Cardinal, Cardinal-Priest of San Matteo in Merulana |
| Ordained Priest | Johann Spyser † | Priest of Bamberg, Germany | Auxiliary Bishop-Elect of Konstanz {Constance}, Germany |
| Died | Pietro Strebbigna † | Bishop of Sapë, Albania |
| Born | Felice Tiranni † | | Archbishop of Urbino, Italy |
| Died | Aymard de Vesco † | Bishop of Vence, France |
3 Jan | 69.0 | Resigned | Johann von Eindhoven, C.R.S.A. † | Auxiliary Bishop of Trier, Germany | Auxiliary Bishop Emeritus |
7 Jan | 86.0 | Died | Bonfrancesco Arlotti † | Bishop of Reggio Emilia, Italy |
| Succeeded | Gianluca Castellini (del Pozzo, Pontremoli) † | Bishop of Reggio Emilia, Italy |
10 Jan | 51.3 | Appointed | Bernardino López de Carvajal y Sande † | Administrator of Rossano, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Appointed | Pietro Socchi (Zagno) † | Bishop of Pult (Pulati) Minor, Albania |
18 Jan | | Died | Jean Vasseur, O.P. † | Auxiliary Bishop of Thérouanne, France |
25 Jan | | Resigned | Johannes Gropengeter, O.S.A. † | Auxiliary Bishop of Minden, Germany | Auxiliary Bishop Emeritus |
| Died | Heinrich von Schaumberg † | Bishop of Minden, Germany |
28 Jan | | Appointed | Martín Cabeza de Vaca, O.P. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Martín Cabeza de Vaca, O.P. † | Titular Bishop of Marocco o Marruecos, Titular Sees | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Jacques Ricoul, O.S.A. † | Auxiliary Bishop of Chartres, France |
| Appointed | Jacques Ricoul, O.S.A. † | Titular Bishop of Thermopylae | Auxiliary Bishop of Chartres, France |
7 Feb | | Appointed | Jean Bohier † | Bishop of Nevers, France |
| Appointed | Michele Claudio † | Bishop of Monopoli, Italy |
| Appointed | Johannes von Helmont, O.S.B. † | Auxiliary Bishop of Trier, Germany | Auxiliary Bishop Emeritus |
| Appointed | Johannes von Helmont, O.S.B. † | Titular Bishop of Syra (Suda) | Auxiliary Bishop Emeritus of Trier, Germany |
| Appointed | Christoforo Magnacurius † | Bishop of Polignano (Polinianum), Italy | Bishop Emeritus |
9 Feb | 52.1 | Died | Konrad von Rietberg † | Bishop of Osnabrück, Germany |
13 Feb | | Died | Ludwig von Siegen, O.F.M. † | Auxiliary Bishop of Hildesheim, Germany |
18 Feb | | Appointed | Antonio Brancaccio (Brancati), O.P. † | Bishop of Gravina (di Puglia), Italy |
| Appointed | Pietro Matteo d’Aquino, O.P. † | Bishop of Lecce, Italy |
39.9 | Appointed | Alessandro Farnese † | Administrator of Vence, France | Pope (Roma {Rome}, Italy) |
20 Feb | | Appointed | Peter Wolkow † | Bishop of Schwerin, Germany |
23 Feb | | Appointed | Francesco della Rovere † | Bishop of Camerino, Italy | Archbishop Emeritus of Benevento, Italy |
44.2 | Appointed | Andrea Della Valle † | Bishop of Mileto, Italy | Cardinal, Cardinal-Bishop of Palestrina |
24 Feb | 36.1 | Selected | Erich von Sachsen-Lauenburg † | Bishop of Münster, Germany |
4 Mar | | Died | Mateo Perez, O.S.A. † | Auxiliary Bishop of Valencia, Spain |
6 Mar | 30.1 | Selected | Erich von Braunschweig-Grubenhagen † | Bishop of Osnabrück, Germany | Bishop-Elect |
7 Mar | | Died | Fabrizio Varano † | Bishop of Camerino, Italy |
15 Mar | | Appointed | János Gosztonyi † | Bishop of Vác, Hungary | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| Appointed | Antonio Lucifero † | Bishop of Crotone (Cotrone), Italy |
16 Mar | | Born | Sebastian von Heusenstamm † | | Archbishop of Mainz, Germany |
18 Mar | 51.1 | Died | Antonio Trivulzio (Sr.), C.R.S. Ant. † | Cardinal, Bishop of Como, Italy |
Apr | 74.2 | Resigned | Johannes Bonemilch † | Auxiliary Bishop of Mainz, Germany | Auxiliary Bishop Emeritus |
14 Apr | 43.2 | Appointed | Scaramuccia Trivulzio † | Bishop of Como, Italy | Cardinal, Bishop Emeritus |
23 Apr | | Died | García Ramírez Villaescusa, O.S. † | Bishop of Oviedo, Spain |
May | 16.3 | Selected | Franz von Braunschweig-Lüneburg † | Bishop of Minden, Germany | Bishop-Elect |
4 May | | Died | Christoph Mendel von Steinfels † | Bishop of Chiemsee, Germany |
7 May | | Ordained Bishop | Jacques Ricoul, O.S.A. † | Titular Bishop of Thermopylae | Auxiliary Bishop of Chartres, France |
8 May | 43.3 | Appointed | Berthold Pürstinger † | Bishop of Chiemsee, Germany | Bishop Emeritus |
12 May | 35.3 | Appointed | James Beaton † | Bishop of Whithorn-Galloway, Scotland, Great Britain | Archbishop of Saint Andrews, Scotland, Great Britain |
| Appointed | Thomas Chard, O.S.B. † | Auxiliary Bishop of Exeter, England, Great Britain |
| Appointed | Thomas Chard, O.S.B. † | Titular Bishop of Selymbria | Auxiliary Bishop of Exeter, England, Great Britain |
| Appointed | Clemens † | Titular Bishop of Seneciensis (Severinensis) |
19 May | 52.4 | Died | Antonio Surian, O. Cart. † | Patriarch of Venezia {Venice}, Italy |
21 May | 25.3 | Professed | Gregorio (Giovanni Andrea) Cortese, O.S.B. † | Priest of Order of Saint Benedict | Cardinal, Administrator of Urbino, Italy |
24 May | | Appointed | Claude Stavayer, O. Cist. † | Bishop of Belley, France |
5 Jun | 67.4 | Resigned | Francisco de Borja † | Bishop of Teano, Italy | Cardinal, Archbishop of Cosenza, Italy |
7 Jun | | Appointed | Symphorien Bullioud † | Bishop of Glandčves, France | Bishop of Soissons, France |
58.4 | Appointed | Alessio Celadoni di Celadonia † | Bishop of Molfetta, Italy |
| Appointed | Luigi Contarini † | Patriarch of Venezia {Venice}, Italy |
33.7 | Resigned | Luigi d’Aragona † | Administrator of Orense, Spain | Cardinal, Administrator of Nardň, Italy |
| Appointed | Pierre Raymond de Guiert † | Bishop of Alet, France |
| Appointed | Pietro Isvalies (Isuali) † | Administrator of Orense, Spain | Cardinal, Cardinal-Priest of Santa Pudenziana |
38.4 | Appointed | Bernardo de Mesa, O.P. † | Auxiliary Bishop of Forli, Italy | Bishop of Badajoz, Spain |
38.4 | Appointed | Bernardo de Mesa, O.P. † | Titular Bishop of Trinopolis | Bishop of Badajoz, Spain |