Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Venerable Diego Alvarez de Osorio † | | Bishop-Elect of Nicaragua |
| Died | Luigi de Aldegatti, O.S.Marc. † | Auxiliary Bishop of Mantova, Italy |
| Born | Gaspar Ávalos de la Cueva † | | Cardinal, Archbishop of Santiago de Compostela, Spain |
| Born | Matteo Bandello, O.P. † | | Bishop Emeritus of Agen, France |
| Died | Thomas Barrett † | Bishop of Annaghdown (Enach Dune), Ireland |
| Died | Johann Bertkow † | Bishop of Dorpat (Tartu), Estonia |
| Resigned | George Brann † | Auxiliary Bishop of Saint Andrews, Scotland, Great Britain | Bishop Emeritus of Elphin, Ireland |
| Selected | Joachim Bredow, O. Praem. † | Bishop of Brandenburg, Germany |
| Born | Jérome d’Arsago, O.S.B. † | | Bishop of Nice, France |
| Died | Giovanni Battista Capranica † | Bishop of Fermo, Italy |
| Born | Enrique de Cardona y Enríquez † | | Cardinal, Archbishop of Monreale, Italy |
| Appointed | Tommaso Catanei, O.P. † | Bishop of Poreč (Parenzo), Croatia | Bishop Emeritus of Cervia, Italy |
| Died | Simon Contarini † | Bishop of Torcello (Turris), Italy |
| Died | Enrico de lo Moyo de Coprano, O. Floren. † | Archbishop of Santa Severina, Italy |
| Died | Antonio de’ Medici, O.F.M. † | Bishop of Marsico Nuovo, Italy |
| Born | Cristóbal de Pedraza † | | Bishop of Comayagua, Honduras |
| Died | Bartolomeo del Poggio † | Bishop of Cassano all’Jonio, Italy |
| Died | Urbain de Flisco † | Bishop of Fréjus, France |
| Died | Juan de Frías † | Bishop of Rubicón, Spain |
| Died | Paolo (Paulus) Giustiniani (Justiniani) † | Bishop of Noli, Italy |
| Died | Angelo Greco † | Bishop of Martirano (Martoranum), Italy |
| Born | Paweł Algimunt Holszański † | | Bishop of Vilnius, Lithuania |
| Born | Stygge Krumpen † | | Bishop of Börglum (Aalborg), Denmark |
| Born | Jacques de La Beaume † | | Bishop of Vannes, France |
| Born | Robert de Lénoncourt † | | Cardinal, Archbishop of Arles, France |
| Appointed | Matthieu de Leonnais † | Titular Bishop of Citrus |
| Born | Augustin Mair, C.R.S.A. † | | Auxiliary Bishop of Würzburg, Germany |
| Died | Angelo Mancini de Cacci † | Bishop of Tivoli, Italy |
| Appointed | Merri Mederic † | Bishop of Agde, France |
| Died | Garcia Menezes † | Bishop of Évora, Portugal |
49.0 | Died | Michele † | Bishop of Sant’Angelo dei Lombardi, Italy |
| Died | Giacomo Minutoli † | Bishop of Agde, France |
| Died | Stefano Moscatelli † | Bishop of Nusco, Italy |
| Died | Matthieu de Nardo Garcia † | Bishop-Elect of Aire, France |
| Resigned | Filippo di Navarra (de Aragonia) † | Archbishop of Palermo, Italy | Archbishop Emeritus |
| Appointed | Orso Orsini † | Bishop of Terni, Italy |
| Died | Orso Orsini † | Bishop of Terni, Italy |
| Died | Juan de Ortega, O.S.H. † | Bishop of Coria, Spain |
| Appointed | Luigi d’Orvieto, O.P. † | Titular Bishop of Sinope |
| Born | Francesco Pisani † | | Patriarch Emeritus of Constantinople |
| Born | Detlev Reventlow † | | Bishop-Elect of Lübeck, Germany |
| Born | Carlo Roero † | | Bishop of Mondovi, Italy |
| Died | Giovanni Romano, O.P. † | Bishop of Terni, Italy |
| Died | Bertrand de Rouffignac † | Bishop of Sarlat, France |
20.5 | Ordained Priest | Ernst Herzog von Sachsen † | Priest | Archbishop of Magdeburg, Germany |
| Born | Martín de Saint-André † | | Bishop of Carcassonne, France |
| Died | Luig a Santa Croce, O.F.M. † | Bishop of Bisarcio, Italy |
| Died | Martin de Segonis † | Bishop of Dulcigno (Olcini, Olgun), Montenegro |
| Born | Juan Suárez Carvajal † | | Bishop Emeritus of Lugo, Spain |
| Resigned | Raymond de Treuil, O.F.M. † | Bishop of Bazas, France | Bishop Emeritus |
| Born | Agostino Trivulzio † | | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro |
| Born | Gustav Trolle † | | Archbishop of Uppsala, Sweden |
| Born | Ferenc Ujlaky † | | Bishop of Eger, Hungary |
| Died | Luis Velasco † | Bishop of Córdoba, Spain |
| Appointed | James Wall, O.F.M. † | Auxiliary Bishop of London, England, Great Britain | Bishop Emeritus of Kildare, Ireland |
| Resigned | James Wall, O.F.M. † | Bishop of Kildare, Ireland | Bishop Emeritus |
10 Jan | | Appointed | Girolamo Almensa, O.P. † | Bishop of Policastro, Italy |
14 Jan | | Died | Donat O’Muregeid, O.S.A. † | Archbishop of Tuam, Ireland |
16 Jan | | Ordained Bishop | Jean Orient, O.F.M. † | Bishop of Terralba, Italy |
19 Jan | | Appointed | Jourdain Cattani † | Titular Patriarch of Antiochia {Antioch} | Archbishop of Capua, Italy |
28 Jan | | Born | Vincenzo Pimpinella † | | Archbishop of Rossano, Italy |
9 Feb | | Appointed | Berenguer de Pau † | Bishop of Gerona, Spain |
| Appointed | Thomas Langton † | Bishop of Salisbury, England, Great Britain | Bishop of Winchester, England, Great Britain |
13 Feb | | Installed | Philippe Herbert (d’Ossonvilliers) † | Archbishop of Aix, France |
15 Feb | 69.1 | Died | Giovanni Giacomo d’Acri, O.F.M. † | Bishop of Treviso, Italy |
21 Feb | | Appointed | Tommaso Benedetti † | Bishop of Luni e Sarzana, Italy | Bishop Emeritus |
60.1 | Appointed | Niccolò Franco † | Bishop of Treviso, Italy |
| Appointed | Ferdinando Romano † | Archbishop of Oristano, Italy |
45.7 | Appointed | Francesco Todeschini-Piccolomini † | Administrator of Fermo, Italy | Pope (Roma {Rome}, Italy) |
28 Feb | | Appointed | Orlando (Rolando) Rovescala, O.F.M. † | Titular Bishop of Antarados | Bishop Emeritus of Vaison, France |
| Resigned | Orlando (Rolando) Rovescala, O.F.M. † | Bishop of Vaison, France | Bishop Emeritus |
| Appointed | Benedetto Paganotti, O.P. † | Bishop of Vaison, France |
2 Mar | | Appointed | Antonio de Grassi † | Bishop of Tivoli, Italy |
11 Mar | | Born | Bernhard von Cles (Clesio) † | | Cardinal, Bishop of Trento, Italy |
13 Mar | 44.1 | Ordained Bishop | Berthold von Henneberg-Römhild † | Archbishop of Mainz, Germany |
22 Mar | | Died | Enguerrand Signard (Seignart), O.P. † | Bishop Emeritus of Auxerre, France |
30 Mar | | Confirmed | Carlo de Roselli † | Bishop of Ario, Greece |
Apr | | Died | Iñigo Manrique de Lara † | Archbishop of Sevilla {Seville}, Spain |
17 Apr | | Died | Alfonso Palenzuela, O.F.M. † | Bishop of Oviedo, Spain |
18 Apr | 22.2 | Appointed | Girolamo Pallavicini † | Bishop of Novara, Italy | Bishop Emeritus |
30.1 | Resigned | Ascanio Maria Sforza † | Administrator of Novara, Italy | Cardinal, Administrator of Pavia, Italy |
14 May | 36.2 | Appointed | Pierre de Foix (Jr.) † | Administrator of Palermo, Italy | Cardinal, Bishop of Vannes, France |
16 May | | Appointed | William John Joyce † | Archbishop of Tuam, Ireland |
| Appointed | Miguel López de la Serna, O.F.M. † | Bishop of Bisarcio, Italy | Bishop of Islas Canarias {Canary Islands}, Spain |
| Appointed | Henri de Lorraine-Vaudémont † | Bishop of Metz, France | Bishop Emeritus |
| Appointed | Donald O’Fallon, O.F.M. Obs. † | Bishop of Derry, Ireland |
| Appointed | Hugh Pavy † | Bishop of Saint David’s, Wales, Great Britain |
18 May | | Appointed | Antoine de Croy † | Bishop of Thérouanne, France |
15 Jun | | Died | Arnold von Burgsdorff, O. Praem. † | Bishop of Brandenburg, Germany |
27 Jun | | Appointed | Jean de Beersel, O.F.M. † | Auxiliary Bishop of Liège, Belgium |
| Appointed | Jean de Beersel, O.F.M. † | Titular Bishop of Cyrene | Auxiliary Bishop of Liège, Belgium |
18 Jul | | Appointed | Pietro de Calvis, O.S.B. † | Auxiliary Bishop of Agrigento (Girgenti), Italy |
| Appointed | Pietro de Calvis, O.S.B. † | Auxiliary Bishop of Palermo, Italy | Auxiliary Bishop of Agrigento (Girgenti), Italy |
| Appointed | Pietro de Calvis, O.S.B. † | Titular Bishop of Chalcedon | Auxiliary Bishop of Agrigento (Girgenti), Italy |
60.5 | Appointed | Roberto Caracciolo, O.F.M. † | Bishop of Aquino, Italy |
| Appointed | Thierry Hake † | Bishop of Dorpat (Tartu), Estonia |
| Appointed | Marco Antonio de’ Tolomei † | Bishop of Lecce, Italy |
20 Jul | | Died | Marco Negro † | Bishop of Ossero (Osor), Croatia |
27 Jul | | Died | Garcia , O.S.B. † | Archbishop of Braga, Portugal |
Aug | | Died | Bartolomeo Coccapani † | Bishop of Rimini, Italy |
36.4 | Appointed | Pierre de Foix (Jr.) † | Cardinal-Deacon of San Sisto | Cardinal, Bishop of Vannes, France |
45.5 | Died | Alessandro Numai † | Bishop of Forli, Italy |
6 Aug | | Ordained Bishop | Francesco de Noya, O.F.M. † | Bishop of Cefalù, Italy |
11 Aug | 68.6 | Died | Pietro Foscari † | Cardinal, Administrator of Padova {Padua}, Italy |
12 Aug | | Appointed | Edoardo Ferro † | Bishop of Sant’Angelo dei Lombardi, Italy |
| Appointed | Fabrizio Guarna Capellanus † | Bishop of Marsico Nuovo, Italy |
26 Aug | | Appointed | Alfonso de Burgos, O.P. † | Bishop of Palencia, Spain |
| Appointed | Alfonso de Fonseca † | Bishop of Cuenca, Spain | Bishop of Osma, Spain |
| Appointed | Guillaume Gaillard † | Auxiliary Bishop of Maillezais, France |
| Appointed | Guillaume Gaillard † | Titular Bishop of Sebaste in Palaestina | Auxiliary Bishop of Maillezais, France |
| Appointed | Iñigo Manrique de Lara † | Bishop of Córdoba, Spain |
57.6 | Appointed | Hernando de Talavera, O.S.H. † | Bishop of Ávila, Spain | Archbishop of Granada, Spain |
| Appointed | Alonso de Valdivieso † | Bishop of León, Spain |
| Appointed | Gonzalo de Villadiego † | Bishop of Oviedo, Spain |
28 Aug | | Died | Olaf Martisen Jaernskaeg † | Bishop of Roskilde (Roeskilde), Denmark |
29 Aug | 41.6 | Appointed | Diego Hurtado de Mendoza y Quiñones † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
1 Sep | | Appointed | Nicola Tomacelli † | Bishop of Cassano all’Jonio, Italy |
| Appointed | Tiberius Ugolini † | Bishop of Down and Connor, Ireland |
3 Sep | | Appointed | Tommaso Asti † | Bishop of Forli, Italy |
5 Sep | | Appointed | Stefan Teglatije (de Taleazis) † | Archbishop (Personal Title) of Torcello (Turris), Italy | Bishop |
| Appointed | Stefan Teglatije (de Taleazis) † | Titular Archbishop of Patrae (Veters) | Bishop of Torcello (Turris), Italy |
11 Sep | | Ordained Bishop | Jean Hornet (Hoerne) † | Bishop of Liège, Belgium |
12 Sep | | Selected | Pietro † | Bishop of Lezhë {Lesh, Alessio}, Albania |
16 Sep | | Appointed | Thomas Cornish, O.S. Jean de Jér † | Auxiliary Bishop of Bath and Wells, England, Great Britain | Auxiliary Bishop of Exeter, England, Great Britain |
| Appointed | Thomas Cornish, O.S. Jean de Jér † | Titular Bishop of Tinen | Auxiliary Bishop of Exeter, England, Great Britain |
| Appointed | Filippo Gaio † | Archbishop of Bar (Antivari), Montenegro |
| Appointed | Giovanni † | Bishop of Rimini, Italy |
27 Sep | | Born | Giovanni Angelo Arcimboldi † | | Archbishop of Milano {Milan}, Italy |
Oct | | Died | Leonardo Griffis † | Archbishop of Benevento, Italy |
9 Oct | | Ordained Bishop | Hugh Pavy † | Bishop of Saint David’s, Wales, Great Britain |
14 Oct | | Confirmed | Joachim Bredow, O. Praem. † | Bishop of Brandenburg, Germany |
29.7 | Appointed | Niccolò Fieschi † | Bishop of Fréjus, France | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
15 Oct | 90.7 | Died | Alfonso de Paradinas † | Bishop of Ciudad Rodrigo, Spain |
56.7 | Died | Lorenzo Zanni (Zane) † | Bishop Emeritus of Brescia, Italy |
17 Oct | 29.3 | Died | Giovanni d’Aragona † | Cardinal, Administrator of Taranto, Italy |
18 Oct | 71.7 | Appointed | Giovanni Conti † | Cardinal-Priest of Sant’Adriano al Foro | Cardinal, Archbishop Emeritus of Conza, Italy |
19 Oct | 72.7 | Appointed | Pedro Beltrán (Bertrandi) † | Bishop of Ciudad Rodrigo, Spain | Bishop of Tuy, Spain |
| Appointed | Niccolò Bucciardi Cybo † | Archbishop of Cosenza, Italy | Archbishop of Arles, France |
21 Oct | | Appointed | Nicolò Garigliati (Garilliati) † | Bishop of Ivrea, Italy |
| Appointed | Mario Zamba (Gamba) † | Bishop of Dulcigno (Olcini, Olgun), Montenegro |
1 Nov | | Born | Jan Dantyszek † | | Bishop of Warmia (Ermland), Poland |
4 Nov | | Appointed | Niels Skawe † | Bishop of Roskilde (Roeskilde), Denmark |
5 Nov | | Confirmed | Pietro † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| Appointed | Giovanni Robobelli † | Bishop of Ossero (Osor), Croatia | Archbishop of Zadar (Zara), Croatia |
10 Nov | | Died | Gomez de Figueroa † | Bishop of Badajoz, Spain |
17 Nov | | Appointed | Giovanni Battista Petrucci (Petruzzi) † | Archbishop of Taranto, Italy | Bishop of Caserta, Italy |
20 Nov | | Died | Achille Marescotti † | Bishop of Cervia, Italy |
21 Nov | | Appointed | Aurelio Bienato † | Bishop of Martirano (Martoranum), Italy |
| Appointed | Antonio Maramaldo † | Bishop of Nusco, Italy |
22 Nov | | Died | Friedrich Mauerkircher † | Bishop of Passau, Germany |
25 Nov | | Died | Ludovico Borgio † | Bishop of L’Aquila, Italy |
2 Dec | | Died | Jean de Bourbon † | Bishop of Le Puy-en-Velay, France |
26.9 | Selected | Friedrich von Öttingen † | Bishop of Passau, Germany | Bishop-Elect |
| Appointed | Domenico Vaccari (Vacchiero) † | Bishop of Noli, Italy | Bishop Emeritus |
| Appointed | Benedikt Waldstein † | Bishop of Kammin (Camin), Germany |
5 Dec | 35.9 | Appointed | Lorenzo Cibo de’ Mari † | Archbishop of Benevento, Italy | Cardinal, Archbishop Emeritus |
12 Dec | | Appointed | Tommaso Catanei, O.P. † | Bishop of Cervia, Italy | Bishop Emeritus |
| Died | Bernard Le Blanc † | Bishop of Vabres, France |