Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Antonio Alberici † | Bishop of Nepi e Sutri, Italy |
| Born | Marco Antonio Amulio † | | Cardinal, Bishop of Rieti, Italy |
| Appointed | Jean Barthelemy Etienne, O.P. † | Titular Bishop of Maioren |
| Appointed | Leonardo de Balestrinis, O.F.M. Obs. † | Archbishop of Colosses {Rhodes}, Greece |
| Born | Gabriel de Bouvery † | | Bishop of Angers, France |
56.0 | Died | Johannes Burckardt † | Bishop of Civita Castellana e Orte, Italy |
| Died | Wojciech z Bydgoszczy (Sochaczewo), O.P. † | Auxiliary Bishop of Poznań, Poland |
75.8 | Appointed | Oliviero Carafa † | Administrator of Caiazzo, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Died | Giacomo Carduini † | Bishop of Lipari, Italy |
| Appointed | François Chaillet, O.F.M. † | Auxiliary Bishop of Verdun, France |
| Appointed | François Chaillet, O.F.M. † | Titular Bishop of Chalcedon | Auxiliary Bishop of Verdun, France |
| Born | Robert de Croy † | | Bishop of Cambrai, France |
| Appointed | Tommaso Cortesi † | Bishop of Cariati e Cerenzia, Italy | Bishop Emeritus |
28.0 | Resigned | Amanieu d’Albret † | Administrator of Pamiers, France | Cardinal, Cardinal-Deacon of San Nicola in Carcere |
| Born | Antonio Elio † | | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| Resigned | Meliadusius d’Este (Estensis) † | Bishop of Comacchio, Italy | Bishop Emeritus |
| Died | Andreas Falco † | Bishop of Modon (Medone, Methone), Greece |
| Died | Giovanni Vincenzo Foderati † | Bishop of Noli, Italy |
| Died | Francesco † | Bishop of Svač, Serbia |
| Died | Agapito Gerardini † | Archbishop of Manfredonia, Italy |
| Appointed | John Hatton † | Auxiliary Bishop of York, England, Great Britain |
| Born | Michael Helding † | | Bishop of Merseburg, Germany |
| Died | Matthias Kanuti, O.S.B. † | Bishop of Garðar, Greenland |
| Resigned | Matthias Kanuti, O.S.B. † | Auxiliary Bishop of Halberstadt, Germany | Bishop of Garðar, Greenland |
| Resigned | Pierre Kuick (Quick), O. Cist. † | Bishop of Tournai {Doornik}, Belgium |
| Appointed | Juan Laso de la Vega, O.S.A. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Juan Laso de la Vega, O.S.A. † | Titular Bishop of Philadelphia in Arabia | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Ordained Bishop | Juan Laso de la Vega, O.S.A. † | Titular Bishop of Philadelphia in Arabia | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Olivier Le Prestre † | Titular Bishop of Sidon |
| Born | Claude de La Guiche † | | Bishop Emeritus of Mirepoix, France |
| Died | Martino de Lignano, O.P. † | Bishop of Cariati e Cerenzia, Italy |
| Died | Angelo de Macerata † | Bishop of Albania |
| Died | Leonce de Naxia, O.F.M. Obs. † | Bishop of Sitia, Greece |
| Died | Maurice O’Brien † | Bishop of Kilfenora, Ireland |
| Died | Jean Oriolo (Loriol) † | Bishop of Nice, France |
| Born | Jerónimo Osório † | | Bishop of Faro {Algarve}, Portugal |
| Died | André de Poupet † | Bishop Emeritus of Chalons-sur-Saône, France |
| Born | Antoine Prévost de Sansac † | | Archbishop of Bordeaux, France |
25.3 | Ordained Bishop | Cesare Riario † | Administrator of Pisa, Italy | Administrator of Málaga, Spain |
| Died | Vid (Vitus) Hvaranin (de Ruschis) † | Bishop of Duvno, Bosnia and Herzegovina |
| Died | Giovanni de Salerno, O.P. † | Bishop of Monteverde, Italy |
| Died | Jacopo Scannapecora † | Bishop of Massa Lubrense, Italy |
| Born | Jan Sienieński † | | Archbishop of Lviv, Ukraine |
| Died | Guglielmo de Speluncata (Balania), O.F.M. † | Bishop Emeritus of Sagone (Sagona), France |
| Born | Rodrigo de Vadillo, O.S.B. † | | Bishop of Cefalù, Italy |
| Born | Gutierre Vargas de Carvajal † | | Bishop of Plasencia, Spain |
60.0 | Appointed | Marco Vigerio della Rovere, O.F.M. Conv. † | Cardinal, Archbishop of Trani, Italy |
Jan | | Died | Troilo Baglioni † | Bishop Emeritus of Perugia, Italy |
4 Jan | 45.0 | Ordained Bishop | Antonio Maria Ciocchi del Monte † | Bishop of Città di Castello, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
6 Jan | | Died | Bernardino de Leis, C.R.L. † | Bishop of Cagli, Italy |
17 Jan | | Died | François de Brillac † | Archbishop of Aix, France |
21 Jan | 79.1 | Died | Johann Roth von Wemding † | Bishop of Wrocław (Breslau), Poland |
41.7 | Succeeded | Jan Thurzó † | Bishop of Wrocław (Breslau), Poland |
30 Jan | | Appointed | Henrique Alvari de Coimbra, O.F.M. † | Bishop of Ceuta, Spain |
6 Feb | | Appointed | Gian Giacomo Bruni † | Bishop of Nepi e Sutri, Italy | Former Bishop-Elect |
45.0 | Appointed | Antonio Maria Ciocchi del Monte † | Archbishop of Manfredonia, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
13 Feb | 49.9 | Ordained Bishop | Achille Grassi † | Bishop of Città di Castello, Italy | Cardinal, Administrator of Bologna, Italy |
14 Feb | 49.9 | Appointed | Achille Grassi † | Bishop of Città di Castello, Italy | Cardinal, Administrator of Bologna, Italy |
24 Feb | 60.8 | Died | Miklós Báthory (Báthori) † | Bishop of Vác, Hungary |
25 Feb | 33.7 | Appointed | Erhard (Erardo, Everard) von der Mark (de la Marca, Marck) † | Cardinal, Bishop of Liège, Belgium |
Mar | 44.1 | Resigned | Francesco de Remolins † | Administrator of Perugia, Italy | Cardinal, Cardinal-Bishop of Albano |
2 Mar | | Appointed | Michele Claudio † | Bishop of Polignano (Polinianum), Italy | Bishop of Monopoli, Italy |
| Appointed | Giovanni Landi † | Archbishop of Candia {Crete}, Greece | Archbishop Emeritus |
| Died | Gasparre Toraldo † | Bishop of Polignano (Polinianum), Italy |
3 Mar | | Died | John Payne, O.P. † | Bishop of Meath, Ireland |
9 Mar | | Appointed | Antonio de Avila, O.P. † | Titular Bishop of Methone | Titular Archbishop of Naupactus |
| Appointed | Olivier du Châtel † | Bishop of Saint-Brieuc, France |
| Appointed | Charles du Hautbois † | Bishop of Tournai {Doornik}, Belgium | Bishop Emeritus |
| Appointed | François de Dinteville † | Bishop of Sisteron, France | Bishop Emeritus of Auxerre, France |
68.1 | Appointed | Pierre Filhol (Filleul) † | Archbishop of Aix, France |
16 Mar | | Appointed | Eustache † | Bishop of Santorini {Thira}, Greece |
| Appointed | Toussaint Varin † | Auxiliary Bishop of Rouen, France |
| Appointed | Toussaint Varin † | Titular Bishop of Thessalonica | Auxiliary Bishop of Rouen, France |
17 Mar | | Appointed | Antonio Castriani (Crastini), O.F.M. † | Bishop of Cagli, Italy | Bishop of Montefeltro, Italy |
20 Mar | 74.9 | Appointed | Juan de Castro † | Administrator of Malta | Cardinal, Bishop of Agrigento (Girgenti), Italy |
22 Mar | 68.2 | Ordained Bishop | Heinrich von Fulstein † | Titular Bishop of Nicopolis in Palaestina | Auxiliary Bishop of Wrocław (Breslau), Poland |
41.9 | Ordained Bishop | Jan Thurzó † | Bishop of Wrocław (Breslau), Poland |
30 Mar | | Appointed | Antonio Ferrero † | Bishop of Perugia, Italy | Cardinal, Bishop of Gubbio, Italy |
27 Apr | | Died | Ogier d’Anglure † | Bishop of Marseille, France |
29 Apr | | Appointed | Jean de Cuers † | Bishop of Marseille, France | Former Bishop-Elect |
4 May | | Died | Udalric de Blamont † | Bishop of Toul, France |
5 May | | Died | Jean Allardeau † | Bishop Emeritus of Marseille, France |
11 May | | Appointed | Hugo de Hazard † | Bishop of Toul, France |
| Appointed | Beaudoin Villain, O.F.M. † | Auxiliary Bishop of Tournai {Doornik}, Belgium |
| Appointed | Beaudoin Villain, O.F.M. † | Titular Bishop of Sarepta | Auxiliary Bishop of Tournai {Doornik}, Belgium |
13 May | 33.9 | Ordained Priest | Erhard (Erardo, Everard) von der Mark (de la Marca, Marck) † | Priest | Cardinal, Bishop of Liège, Belgium |
17 May | 28.3 | Ordained Bishop | Jacques de Croy, O.S.B. † | Bishop of Cambrai, France | Bishop Emeritus |
33.9 | Ordained Bishop | Erhard (Erardo, Everard) von der Mark (de la Marca, Marck) † | Cardinal, Bishop of Liège, Belgium |
| Appointed | Francesco Franceschini, O.F.M. † | Bishop of Civita Castellana e Orte, Italy | Bishop Emeritus |
5 Jun | | Appointed | Richard FitzJames † | Bishop of London, England, Great Britain |
| Appointed | Francesco Manno † | Bishop of Ampurias e Civita, Italy |
| Confirmed | Georg von Neideck † | Bishop of Trento, Italy |
15 Jun | | Ordained Bishop | Charles du Hautbois † | Bishop of Tournai {Doornik}, Belgium | Bishop Emeritus |
24 Jun | | Appointed | Juan Corona, O.P. † | Bishop of Albania |
26 Jun | 46.4 | Appointed | Maurice O’Fihely, O.F.M. † | Archbishop of Tuam, Ireland |
46.4 | Ordained Bishop | Maurice O’Fihely, O.F.M. † | Archbishop of Tuam, Ireland |
| Appointed | Jean Robert † | Auxiliary Bishop of Nantes, France |
| Appointed | Jean Robert † | Titular Bishop of Tiberias | Auxiliary Bishop of Nantes, France |