Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Antonio del Aguila Vela y Paz † | | Bishop of Zamora, Spain |
| Born | Arnau (Arnaldo) Alberti (Albertini) † | | Bishop of Patti, Italy |
| Died | Raymond Barenfuso, O. Cist. † | Bishop of Ardjisch (Argeș; Argesch), Romania |
| Died | Antonio de Bonaumbra † | Bishop of Acci (Accia), France |
| Born | Reinhold Buschoveden (Buxhoeveden) † | | Bishop Emeritus of Ösell (Oesell) [Saare-Lääne], Estonia |
| Born | François Guillaume de Castelnau de Clermont-Ludève † | | Cardinal, Cardinal-Bishop of Frascati |
| Died | Francesco Caetani † | Bishop of Squillace, Italy |
| Died | Nicola de Campo † | Bishop of Ampurias, Italy |
| Born | Jaime Casador † | | Bishop of Barcelona, Spain |
| Died | Antonio Coletti † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Resigned | John de Cutwart † | Bishop of Waterford and Lismore, Ireland | Bishop Emeritus |
| Appointed | Simon Daoud † | Bishop |
| Ordained Bishop | Simon Daoud † | Bishop |
| Born | Miguel da Silva † | | Cardinal, Administrator of Massa Marittima, Italy |
| Appointed | Bertrand d’Audigier, O.F.M. Conv. † | Auxiliary Bishop of Mende, France |
| Appointed | Bertrand d’Audigier, O.F.M. Conv. † | Titular Bishop of Bethleem | Auxiliary Bishop of Mende, France |
| Born | Baltasar del Río † | | Bishop of Scala, Italy |
| Born | Antonio de la Cruz, O.F.M. Obs. † | | Bishop of Islas Canarias {Canary Islands}, Spain |
| Died | Antonio de’ Pazzi † | Bishop of Mileto, Italy |
| Born | Vasco de Quiroga † | | Bishop of Michoacán, México |
| Died | Michael de Viterbo † | Bishop of Castro [del Lazio], Italy |
| Born | Olav Engelbrektsson † | | Archbishop of Nidaros (Trondheim), Norway |
| Born | Federico (de Campo) Fregóso † | | Cardinal, Bishop of Gubbio, Italy |
| Born | Pietro Andrea Gambari † | | Bishop of Faenza, Italy |
| Resigned | Gaspard † | Auxiliary Bishop of Konstanz {Constance}, Germany | Auxiliary Bishop Emeritus |
| Born | Girolamo Ghinucci {Ginucci} † | | Cardinal, Bishop of Worcester, England, Great Britain |
| Born | Antonio Guevara Noroña, O.F.M. Obs. † | | Bishop of Mondoñedo, Spain |
| Died | György † | Archbishop of Kalocsa, Hungary |
| Born | Jacques Hurault de Cheverny † | | Bishop of Autun, France |
| Born | Matthias von Jagow † | | Bishop Emeritus of Brandenburg, Germany |
| Appointed | James † | Bishop of Clonmacnoise, Ireland |
| Died | John † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Appointed | Eiliv Jonsson † | Bishop of Stavanger, Norway |
| Died | Robert Kirke, O. Cist. † | Bishop of Dromore, Ireland |
| Appointed | Ladislas † | Auxiliary Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| Appointed | Ladislas † | Titular Bishop of Trinopolis | Auxiliary Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| Appointed | Richard Lang † | Auxiliary Bishop of Chichester, England, Great Britain | Auxiliary Bishop of Winchester, England, Great Britain |
| Born | Rafał Leszczyński † | | Bishop of Płock, Poland |
| Died | Gaspare Loffredi † | Bishop of Melfi, Italy |
| Died | Nicolas Machinensis † | Bishop of Modruš, Croatia |
| Born | Fernando de Menezes Coutinho e Vasconcellos † | | Archbishop of Lisboa, Portugal |
| Resigned | Berthold von Oberg, O.P. † | Auxiliary Bishop of Hildesheim, Germany | Auxiliary Bishop Emeritus |
| Born | Giovanni Battista Pallavicino † | | Cardinal, Bishop of Cavaillon, France |
| Died | Stefano Argercolo Pendinelli † | Archbishop of Otranto, Italy |
| Died | Jean de Pera, O.P. † | Bishop of Soldaja (Sudak) |
| Died | Niccolò Perotti † | Archbishop of Manfredonia, Italy |
| Died | Oberto Pinelli † | Bishop of Nebbio, France |
| Born | François Poncher † | | Bishop of Paris, France |
| Died | Giacomo Porfida (Cavallina) † | Bishop of Ariano, Italy |
| Born | Juan Reina † | | Bishop of Pamplona, Spain |
| Born | François de Rohan † | | Archbishop of Lyon, France |
| Born | Gérard Roussel † | | Bishop of Oloron (Oloron-Sainte-Marie), France |
| Born | Alonso Ruiz de Virués, O.S.B. † | | Bishop of Islas Canarias {Canary Islands}, Spain |
| Died | Bernardo de Ruggeri † | Bishop of Crotone (Cotrone), Italy |
| Died | Girolamo de Sechis, O.F.M. † | Bishop of Ottana, Italy |
| Appointed | Johann Serlinger † | Bishop of Seckau, Austria | Former Bishop-Elect |
| Died | Girolamo de Sornate † | Bishop of Hierapetra, Greece |
| Died | Luigi Spinelli † | Bishop of Gallipoli, Italy |
| Died | Ninian Spot † | Bishop of Whithorn-Galloway, Scotland, Great Britain |
| Born | Stanisław Tarło † | | Bishop of Przemyśl, Poland |
| Died | Thomas of Kirkham, O. Cist. † | Bishop Emeritus of The Isles (Sodor), Scotland, Great Britain |
| Died | Alv Thorgardsson † | Bishop of Stavanger, Norway |
| Born | Jean Baptiste Ususmari † | | Bishop of Mariana, France |
| Died | John Valens, C.R.S.A. † | Auxiliary Bishop Emeritus of Bath and Wells, England, Great Britain |
| Born | Gedeon Van der Gracht, O.S.A. † | | Auxiliary Bishop of Liège, Belgium |
| Appointed | William Westkarre, C.R.S.A. † | Auxiliary Bishop of Worcester, England, Great Britain | Auxiliary Bishop of Canterbury, England, Great Britain |
| Appointed | William Westkarre, C.R.S.A. † | Auxiliary Bishop of Canterbury, England, Great Britain |
| Appointed | RIchard Wycherley, O.P. † | Auxiliary Bishop of Hereford, England, Great Britain | Auxiliary Bishop of Worcester, England, Great Britain |
| Appointed | RIchard Wycherley, O.P. † | Titular Bishop of Olena | Auxiliary Bishop of Worcester, England, Great Britain |
| Resigned | Godefridus Yerwerd, O.S.B. † | Auxiliary Bishop of Utrecht, Netherlands | Auxiliary Bishop Emeritus |
51.0 | Resigned | Lorenzo Zanni (Zane) † | Bishop of Brescia, Italy | Bishop Emeritus |
14 Jan | 23.5 | Appointed | Giovanni d’Aragona † | Cardinal-Priest of Sant’Adriano al Foro | Cardinal, Administrator of Taranto, Italy |
22 Jan | | Ordained Bishop | Ottaviano Spinelli del Palagio † | Archbishop of Armagh, Ireland |
24 Jan | | Appointed | Silvestro Daziari † | Bishop of Chioggia, Italy |
| Appointed | Georges † | Bishop of Mylopotamos, Greece |
| Appointed | Giovanni † | Bishop of Gallipoli, Italy |
28 Jan | 53.0 | Appointed | Georg Heßler (Hessler) † | Cardinal, Bishop of Passau, Germany |
7 Feb | | Appointed | Nicola † | Bishop of Civitate (Città or Civita), Italy |
13 Feb | | Born | Girolamo Aleandro † | | Cardinal, Archbishop Emeritus of Brindisi, Italy |
53.1 | Ordained Bishop | Georg Heßler (Hessler) † | Cardinal, Bishop of Passau, Germany |
Mar | | Died | Geoffrey de Basillac † | Bishop of Rieux, France |
| Died | Luís Pires † | Archbishop of Braga, Portugal |
6 Mar | 60.1 | Appointed | Jan Kaźmierski † | Bishop of Chełm, Poland | Bishop of Przemyśl, Poland |
| Appointed | Charles de Neufchâtel † | Administrator of Bayeux, France | Archbishop of Besançon, France |
22 Mar | | Appointed | Stefano Grube † | Archbishop of Riga, Latvia |
| Appointed | Scipione Piscicelli † | Bishop of Troia, Italy |
| Appointed | Battista de Saluzzo † | Bishop of Nebbio, France |
24 Mar | | Died | Henrich von Stammer † | Bishop of Naumburg, Germany |
3 Apr | | Ordained Bishop | Silvestro Daziari † | Bishop of Chioggia, Italy |
11 Apr | | Appointed | Paulus † | Bishop of Ardjisch (Argeș; Argesch), Romania |
14 Apr | | Appointed | Filippo Bartolomei † | Bishop of Hierapetra, Greece |
| Appointed | Johann Cristianis de Lessen † | Bishop of Pomesania (Pomezania), Poland |
| Appointed | Georges † | Bishop of Ario, Greece |
| Appointed | Yvo Guillen Brito † | Bishop of Dromore, Ireland |
| Appointed | Barthelemy Pamuol † | Bishop of Acci (Accia), France |
15 Apr | | Died | Giovanni de Itro † | Bishop of Tropea, Italy |
| Died | Thomas Vaus † | Bishop of Aberdeen, Scotland, Great Britain |
5 May | 53.3 | Appointed | Pierre d’Abzac, O.S.B. † | Bishop of Rieux, France | Archbishop of Narbonne, France |
19.0 | Appointed | Raffaele Sansoni Riario † | Cardinal-Priest of San Lorenzo in Damaso | Cardinal, Bishop of Ostia (-Velletri), Italy |
12 May | | Appointed | Nardo Mormile † | Archbishop of Sorrento, Italy |
15 May | 50.3 | Elevated to Cardinal | Ferry de Clugny † | Cardinal, Bishop of Tournai {Doornik}, Belgium |
24.3 | Elevated to Cardinal | Giovanni Colonna † | Cardinal, Administrator of Rieti, Italy |
52.3 | Elevated to Cardinal | Paolo Fregoso (Campofregoso) † | Cardinal, Archbishop of Genova, Italy |
60.3 | Appointed | Cosma Orsini, O.S.B. † | Cardinal-Priest of San Sisto | Cardinal, Archbishop of Trani, Italy |
60.3 | Elevated to Cardinal | Cosma Orsini, O.S.B. † | Cardinal, Archbishop of Trani, Italy |
58.3 | Elevated to Cardinal | Giovanni Battista Savelli † | Cardinal, Cardinal-Deacon of San Nicola in Carcere |
19 May | 60.3 | Died | Lawrence Booth † | Archbishop of York, England, Great Britain |
20 May | 52.3 | Appointed | Paolo Fregoso (Campofregoso) † | Cardinal-Priest of Sant’Anastasia | Cardinal, Archbishop of Genova, Italy |
24 May | | Died | Matthias Emich, O. Carm. † | Auxiliary Bishop of Mainz, Germany |
26 May | | Appointed | Nicholas O’Hennesy, O. Cist. † | Bishop of Waterford and Lismore, Ireland |
29 May | | Appointed | Cristoforo de Ragusa † | Bishop of Modruš, Croatia |
31 May | | Appointed | Anton Aymeri † | Auxiliary Bishop of Pécs, Hungary |
| Appointed | Anton Aymeri † | Titular Bishop of Megara | Auxiliary Bishop of Pécs, Hungary |
Jun | 50.4 | Appointed | Ferry de Clugny † | Cardinal-Priest of San Vitale | Cardinal, Bishop of Tournai {Doornik}, Belgium |
58.4 | Appointed | Giovanni Battista Savelli † | Cardinal-Deacon of Santi Vito, Modesto e Crescenzia | Cardinal, Cardinal-Deacon of San Nicola in Carcere |
1 Jun | | Born | Tiedemann Bartłomiej Giese † | | Bishop of Warmia (Ermland), Poland |
2 Jun | | Appointed | Jan Długosz † | Archbishop of Lviv, Ukraine | Archbishop-Elect |
3 Jun | 24.4 | Installed | Giovanni Colonna † | Cardinal-Deacon of Santa Maria in Aquiro | Cardinal, Administrator of Rieti, Italy |
60.4 | Appointed | Cosma Orsini, O.S.B. † | Cardinal-Priest of Santi Nereo ed Achilleo | Cardinal, Archbishop of Trani, Italy |
9 Jun | | Died | Kazmierz z Książąt Mazowiecki (von Masowien) † | Bishop of Płock, Poland |
16 Jun | | Appointed | Giacomo de Luciis † | Bishop of Caiazzo, Italy |
50.4 | Appointed | Giuliano Mirto Frangipani † | Bishop of Tropea, Italy |
17 Jun | 31.4 | Appointed | Henri de Berghes † | Bishop of Cambrai, France |