Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Antonio Altan San Vito † | Bishop of Urbino, Italy |
| Born | Francesco Argentino † | | Cardinal, Bishop of Concordia (Sagittaria), Italy |
| Died | Arias de Avalos † | Bishop of Catania, Italy |
| Born | Jérome Balbi † | | Bishop of Gurk, Austria |
| Born | John Blythe † | | Bishop of Salisbury, England, Great Britain |
| Died | Antonio Bretone (Ferrier) † | Bishop of Orange, France |
| Born | Günther von Bünau, O.T. † | | Bishop of Samland (Sambia), Poland |
| Born | Johannes Burckardt † | | Bishop of Civita Castellana e Orte, Italy |
| Died | John Burke † | Archbishop of Tuam, Ireland |
| Born | François Busleiden † | | Archbishop of Besançon, France |
| Appointed | Andrea Canavella, O.E.S.A. † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| Born | Alessio Celadoni di Celadonia † | | Bishop of Molfetta, Italy |
| Died | Nicolas Cesari † | Bishop of Tivoli, Italy |
| Died | Francesco da Chiaravalle † | Bishop of Montefeltro, Italy |
| Appointed | François Cinquinus Pisanus, O.P. † | Titular Bishop of Tebris (Tauris) |
| Ordained Bishop | Jean de Coetquis † | Bishop | Bishop of Tréguier, France |
| Born | Antonio Contarini, C.R.S.A. † | | Patriarch of Venezia {Venice}, Italy |
| Born | Lorenzo Cibo de’ Mari † | | Cardinal, Archbishop Emeritus of Benevento, Italy |
| Born | René d’Illiers † | | Bishop of Chartres, France |
| Born | Pietro de Luna † | | Archbishop of Messina, Italy |
| Died | Domenico † | Bishop of Ossero (Osor), Croatia |
| Born | Juan de Quevedo Villegas, O.F.M. Obs. † | | Bishop of Santa María de La Antigua del Darién, Panama |
| Born | Guarino Favorino, O.S.B. † | | Bishop Emeritus of Nocera Umbra, Italy |
| Died | Benozzo Federighi † | Bishop of Fiesole, Italy |
| Born | Giovanni Battista Ferrari † | | Cardinal, Archbishop of Capua, Italy |
| Died | Bassistachio de Formica † | Bishop of Lucera, Italy |
| Died | Mattias Foschi † | Bishop of Rieti, Italy |
| Died | Polydoro Foscari † | Archbishop of Zadar (Zara), Croatia |
| Died | John de Fossade † | Bishop of Down and Connor, Ireland |
| Died | Onofrio di Francesco di Sanseverino † | Bishop of Melfi, Italy |
| Appointed | Gregoire † | Bishop of Garðar, Greenland |
| Born | Johannes Grimholt † | | Bishop of Lübeck, Germany |
| Born | Gabriel Iban al-Qelai, O.F.M. † | | Bishop of Nicosia, Cyprus |
| Born | Mikołaj Kościelecki † | | Bishop of Chełm, Poland |
| Died | Wilhelm Mader, O. Praem. † | Auxiliary Bishop of Augsburg, Germany |
| Died | Natale Mastini D’Afflitto † | Bishop of Scala, Italy |
| Appointed | Matteo † | Auxiliary Bishop of Verona, Italy |
| Appointed | Matteo † | Titular Bishop of Tripolis in Phoenicia | Auxiliary Bishop of Verona, Italy |
| Born | Diego de Muros † | | Bishop of Oviedo, Spain |
| Died | Pietro Ondedei † | Bishop of Imola, Italy |
| Born | Giovanni Battista Orsini † | | Cardinal, Cardinal-Priest of Santi Giovanni e Paolo |
| Born | Wincenty Przerębski † | | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| Resigned | Giovanni Rossi (Roberti), O.E.S.A. † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia | Bishop of Rethymo (Calamona), Greece |
| Born | Thomas Ruscher † | | Auxiliary Bishop of Mainz, Germany |
50.0 | Appointed | Thomas Scrope, O. Carm. † | Auxiliary Bishop of Norwich, England, Great Britain | Bishop Emeritus of Dromore, Ireland |
| Died | Giacomo Squacquera, O. Cist. † | Bishop of Potenza, Italy |
| Died | Lorenzo Squinto † | Archbishop of Oristano, Italy |
| Born | Maciej ze Starej Łomży † | | Bishop of Chełm, Poland |
| Born | Christoph von Utenheim † | | Bishop of Basel, Switzerland |
| Resigned | Nicolas de Utino, O.F.M. † | Bishop of Acerra, Italy | Bishop Emeritus |
| Resigned | Alexander de Vaus † | Bishop of Whithorn-Galloway, Scotland, Great Britain | Bishop Emeritus |
| Died | Romanet Velheu † | Administrator of Saint-Paul-Trois-Châteaux, France |
| Born | Johannes von Thun † | | Bishop of Schwerin, Germany |
| Born | William Warham † | | Archbishop of Canterbury, England, Great Britain |
6 Jan | | Ordained Bishop | Ross Maguire † | Bishop of Clogher, Ireland | Bishop Emeritus |
7 Jan | 47.0 | Appointed | Guillaume d’Estouteville, O.S.B. † | Administrator of Lodève, France | Cardinal, Archbishop of Rouen, France |
47.0 | Resigned | Guillaume d’Estouteville, O.S.B. † | Administrator of Nîmes, France | Cardinal, Archbishop of Rouen, France |
27.0 | Appointed | Jacques d’Espinay-Durestal † | Bishop of Saint-Malo, France | Bishop Emeritus of Rennes, France |
| Appointed | Giacomo de Salemoncellis † | Bishop of Focea, Turkey | Bishop of Montefeltro, Italy |
| Appointed | Thomas Spence † | Bishop of Whithorn-Galloway, Scotland, Great Britain | Bishop of Aberdeen, Scotland, Great Britain |
28.0 | Appointed | Geoffroy de Saint Géran (Floréau) † | Bishop of Nîmes, France | Bishop of Chalons-sur-Marne, France |
8 Jan | | Died | Adam Moleyns † | Bishop of Chichester, England, Great Britain |
9 Jan | 50.0 | Appointed | Bernard (Yvest) du Rosier † | Bishop of Montauban, France | Archbishop of Toulouse, France |
| Appointed | Raymond de Tullio, O.P. † | Bishop of Bazas, France |
12 Jan | | Appointed | Guillaume-Hugues d’Estaing, O.S.B. † | Cardinal-Priest of Santa Sabina | Cardinal, Bishop of Fréjus, France |
80.0 | Appointed | Luis de La Palud, O.S.B. † | Cardinal-Priest of Sant’Anastasia | Cardinal, Bishop of Saint-Jean-de-Maurienne, France |
50.0 | Appointed | Thomas Scrope, O. Carm. † | Bishop of Dromore, Ireland | Bishop Emeritus |
16 Jan | 52.0 | Confirmed | Arnold Westphal (Westfal) † | Bishop of Lübeck, Germany |
23 Jan | | Appointed | Baptista , O.P. † | Auxiliary Bishop of Ascoli Piceno, Italy |
| Appointed | Baptista , O.P. † | Titular Bishop of Hierapolis in Phrygia | Auxiliary Bishop of Ascoli Piceno, Italy |
| Appointed | Palamides , C.R.S.A. † | Bishop of Catanzaro, Italy |
| Selected | Friedrich von Plankenfels † | Bishop of Regensburg, Germany |
25 Jan | | Died | Giovanni Ventimiglia † | Archbishop of Monreale, Italy |
26 Jan | | Appointed | Luís Pires † | Bishop of Silves (Sylves), Portugal | Archbishop of Braga, Portugal |
27 Jan | | Appointed | Thomas Knight, O.P. † | Bishop of Saint Asaph, Wales, Great Britain | Bishop Emeritus |
28 Jan | | Appointed | Marmaduke Lumley † | Bishop of Lincoln, England, Great Britain |
| Died | Johann Rottel † | Bishop of Brixen {Bressanone}, Italy |
30 Jan | | Appointed | Nicholas Cloose (Close) † | Bishop of Carlisle, England, Great Britain | Bishop of Coventry and Lichfield, England, Great Britain |
| Appointed | Maurice Stack † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
Feb | | Appointed | Robert † | Bishop of Riez, France | Bishop-Elect |
80.0 | Resigned | Magnus Olaf Tavast † | Bishop of Åbo, Finland | Bishop Emeritus |
1 Feb | 50.0 | Ordained Bishop | Thomas Scrope, O. Carm. † | Bishop of Dromore, Ireland | Bishop Emeritus |
4 Feb | | Appointed | Giovanni Cossa, O.P. † | Bishop of Bosa, Italy |
5 Feb | 45.0 | Appointed | Olaf Magni † | Bishop of Åbo, Finland |
8 Feb | 36.1 | Ordained Bishop | Thomas Kempe † | Bishop of London, England, Great Britain |
11 Feb | | Died | Michel de Bouliers † | Bishop of Riez, France |
| Appointed | Alfonso Coevaruvias † | Archbishop of Monreale, Italy |
15 Feb | | Ordained Bishop | Giacomo de Salemoncellis † | Bishop of Focea, Turkey | Bishop of Montefeltro, Italy |
20 Feb | | Appointed | Leonardo Gactus (Goto) † | Bishop of Patti, Italy |
21 Feb | | Appointed | Giovanni Neroni Diotisalvi † | Bishop of Volterra, Italy | Archbishop of Firenze {Florence}, Italy |
25 Feb | | Died | Roberto Cavalcanti † | Bishop of Volterra, Italy |
28 Feb | 66.1 | Died | Friedrich von Parsberg † | Bishop of Regensburg, Germany |
11 Mar | | Appointed | Jacques Seguin, O.S.B. † | Auxiliary Bishop of Sens, France |
| Appointed | Jacques Seguin, O.S.B. † | Titular Bishop of Tiberias | Auxiliary Bishop of Sens, France |
15 Mar | | Ordained Bishop | Nicholas Cloose (Close) † | Bishop of Carlisle, England, Great Britain | Bishop of Coventry and Lichfield, England, Great Britain |
16 Mar | | Appointed | Jean Fassi (Faci), O. Carm. † | Bishop of Riez, France |
| Died | Robert † | Bishop-Elect of Riez, France |
18 Mar | | Died | Robert de la Rivière † | Bishop of Rennes, France |
23 Mar | 50.2 | Appointed | Nikolaus von Cusa † | Cardinal, Bishop of Brixen {Bressanone}, Italy |
55.2 | Appointed | Reginald Pecock (Peacock) † | Bishop of Chichester, England, Great Britain | Bishop Emeritus |
| Confirmed | Friedrich von Plankenfels † | Bishop of Regensburg, Germany |
27 Mar | | Appointed | Gaspare (de San Giovanni) Sighigelli, O.P. † | Bishop of Imola, Italy |
15 Apr | | Died | Herbold , O.F.M. † | Auxiliary Bishop Emeritus of Worms, Germany |
16 Apr | | Appointed | Thomas † | Auxiliary Bishop of Vác, Hungary |
| Appointed | Thomas † | Titular Bishop of Belgrado e Semendria o Smederevo | Auxiliary Bishop of Vác, Hungary |
| Appointed | Tommaso † | Bishop of Beograd {Belgrade}, Serbia |
25 Apr | 27.3 | Appointed | Jacques d’Espinay-Durestal † | Bishop of Rennes, France | Bishop Emeritus |
| Appointed | Jean L’Espervier † | Bishop of Saint-Brieuc, France | Bishop of Saint-Malo, France |
| Appointed | Jean Prigent † | Bishop of Saint-Malo, France | Bishop of Saint-Brieuc, France |
26 Apr | 50.3 | Ordained Bishop | Nikolaus von Cusa † | Cardinal, Bishop of Brixen {Bressanone}, Italy |
29 Apr | | Ordained Bishop | Maurice Stack † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
2 May | | Died | Paulus von Milicz † | Bishop of Olomouc (Olmütz), Czechia |
5 May | | Appointed | Antonio Angeli † | Bishop of Lucera, Italy | Bishop of Potenza, Italy |
7 May | | Resigned | Antonius de Romulis, O.P. † | Bishop of Grasse, France |
9 May | | Died | William Silk † | Bishop of Meath, Ireland |
11 May | | Appointed | Augustin , O. Cist. † | Bishop of Famagusta, Cyprus |
40.3 | Appointed | Étienne Genevès † | Bishop of Saint-Paul-Trois-Châteaux, France |
| Appointed | Jean Isembert (Ivoy), O.P. † | Auxiliary Bishop of Metz, France | Auxiliary Bishop of Toul, France |
| Appointed | Jean Isembert (Ivoy), O.P. † | Titular Bishop of Christopolis | Auxiliary Bishop of Toul, France |
| Appointed | Hubert Yffz (de Rommersdorf), O. Praem. † | Auxiliary Bishop of Trier, Germany |
| Appointed | Hubert Yffz (de Rommersdorf), O. Praem. † | Titular Bishop of Azotus | Auxiliary Bishop of Trier, Germany |
14 May | | Ordained Bishop | Jean Isembert (Ivoy), O.P. † | Titular Bishop of Christopolis | Auxiliary Bishop of Toul, France |
| Ordained Bishop | Hubert Yffz (de Rommersdorf), O. Praem. † | Titular Bishop of Azotus | Auxiliary Bishop of Trier, Germany |
18 May | | Appointed | Redmund Bermingham † | Bishop of Annaghdown (Enach Dune), Ireland |
22 May | | Appointed | Pierre Léger, O.F.M. † | Auxiliary Bishop of Poitiers, France |
| Appointed | Pierre Léger, O.F.M. † | Auxiliary Bishop of Fréjus, France | Auxiliary Bishop of Poitiers, France |
| Appointed | Pierre Léger, O.F.M. † | Titular Bishop of Sebaste in Cilicia | Auxiliary Bishop of Poitiers, France |
31 May | | Ordained Bishop | Friedrich von Plankenfels † | Bishop of Regensburg, Germany |
2 Jun | | Died | Heinrich von Moers † | Bishop of Münster, Germany |
5 Jun | | Appointed | Georges de Regibus, O.F.M. † | Auxiliary Bishop of Torino, Italy |
| Appointed | Georges de Regibus, O.F.M. † | Titular Bishop of Sebastopolen (Sevastopolen) | Auxiliary Bishop of Torino, Italy |
| Appointed | Giacomo Tebaldi † | Bishop of Montefeltro, Italy | Cardinal, Cardinal-Priest of Sant’Anastasia |
12 Jun | | Appointed | Petruccio de Migliolo † | Bishop of Bisaccia, Italy | Bishop of Lacedonia, Italy |
17 Jun | | Appointed | Pierre Gorbin (Forbin), O.P. † | Bishop of Grasse, France |
29 Jun | | Died | William Ascough (Ayscough) † | Bishop of Salisbury, England, Great Britain |