Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Tommaso de Acciaro, O.P. † | Bishop of Satriano, Italy |
| Died | Agostino , O.S.B. † | Bishop of Argos, Greece |
| Born | Manuel de Almada † | | Bishop Emeritus of Angra, Portugal |
| Born | Julião de Alva † | | Bishop Emeritus of Miranda (do Douro), Portugal |
| Died | Olof Andreae de Vallibus (Laurentii) † | Bishop of Västerås (Westeraes), Sweden |
| Appointed | David ap Yeworth (Gorwerth), O. Cist. † | Bishop of Saint Asaph, Wales, Great Britain |
| Died | Giacomo de Bacio † | Bishop of Chieti, Italy |
| Resigned | Antoine Balue, O.S.B. † | Bishop of Saint-Pons-de-Thomières, France | Bishop Emeritus |
| Born | René du Bellay de Langey † | | Bishop Emeritus of Le Mans, France |
| Born | Marcantonio Bobba † | | Cardinal, Bishop Emeritus of Aosta, Italy |
| Born | Edmund Bonner † | | Bishop Emeritus of London, England, Great Britain |
| Resigned | Hector de Bourbon † | Bishop of Lavaur, France | Archbishop Emeritus of Toulouse, France |
23.0 | Died | Constantino Castriola de Scanderrechis † | Bishop of Isernia, Italy |
| Died | Gudiel de Cervatos † | Bishop of Civitate (Città or Civita), Italy |
| Resigned | Antoine de Chalon † | Bishop of Autun, France | Bishop Emeritus |
| Born | Francesco Crasso † | | Cardinal, Cardinal-Priest of Sant’Eufemia |
| Born | Marcello Crescenzi † | | Cardinal, Administrator of Conza, Italy |
| Born | Jacques d’Annebaut † | | Cardinal, Bishop of Lisieux, France |
| Died | Michael Deacon † | Bishop of Saint Asaph, Wales, Great Britain |
| Died | Hugo d’Espagne † | Bishop of Rieux, France |
| Born | Alfonso de’ Sangro † | | Bishop Emeritus of Lecce, Italy |
54.0 | Died | Gabriel du Mas † | Bishop of Périgueux (Vesuna), France |
| Born | Pierre Duval † | | Bishop Emeritus of Sées {Séez}, France |
| Died | Constantin Eruli † | Bishop of Spoleto, Italy |
| Succeeded | Francesco Erulli † | Bishop of Spoleto, Italy |
| Born | Pedro Fernández Manrique † | | Cardinal, Bishop of Córdoba, Spain |
| Born | Filiberto Ferrero † | | Cardinal, Bishop of Ivrea, Italy |
| Appointed | Alonso de Fonseca y Acevedo † | Titular Patriarch of Alexandria {Alessandria} | Archbishop of Santiago de Compostela, Spain |
| Died | Ottaviano Fornari † | Bishop of Mariana, France |
| Died | Francesco † | Bishop of Cariati e Cerenzia, Italy |
| Ordained Bishop | Niels Friis † | Bishop of Viborg, Denmark |
| Died | Pietro Gaetani † | Bishop of Fondi (Fundi), Italy |
| Born | Juan García Pérez y Oliván † | | Bishop of Urgell, Spain |
| Born | Jacques Hanot, O. Praem. † | | Auxiliary Bishop of Reims, France |
| Died | Bernardino Ilcino, O.S.A. † | Bishop of Bobbio, Italy |
| Resigned | Charles de Joyeuse † | Bishop of Saint-Flour, France | Bishop Emeritus |
| Appointed | Matthias Kanuti, O.S.B. † | Auxiliary Bishop of Halberstadt, Germany | Bishop of Garðar, Greenland |
| Died | Giovanni Battista Lagni † | Archbishop of Rossano, Italy |
| Born | Feliks Ligęza † | | Archbishop of Lviv, Ukraine |
| Born | Roderick MacLean † | | Bishop of The Isles (Sodor), Scotland, Great Britain |
| Born | Alvaro Magellano † | | Bishop of San Leone, Italy |
| Born | François Mangeard † | | Auxiliary Bishop of Langres, France |
22.0 | Succeeded | Basilio Mascardi † | Bishop of Todi, Italy |
| Died | Francesco Mascardi † | Bishop of Todi, Italy |
| Appointed | Pedro Montemolín, O.P. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Thomas de Nola, O.P. † | Bishop of Civitate (Città or Civita), Italy |
| Appointed | Donatus O’Brien † | Auxiliary Bishop of Worcester, England, Great Britain |
| Died | Sean O’Cassin de Tuderto, O.F.M. † | Bishop Emeritus of Killala, Ireland |
| Resigned | Jean de Pardaillan † | Bishop of Oloron (Oloron-Sainte-Marie), France | Bishop Emeritus |
| Succeeded | Francesco Pellicer † | Archbishop of Sassari, Italy |
| Died | Battista Pontini, O.S.B. † | Bishop of Bitonto, Italy |
| Died | Martino Ponz † | Archbishop of Messina, Italy |
| Died | Francesco Rosa † | Bishop of Terracina, Priverno e Sezze, Italy |
| Born | Pepin de Rosa, O.P. † | | Auxiliary Bishop of Mechelen, Belgium |
| Born | Francisco Sancho Allepuz † | | Bishop of Segorbe, Spain |
61.0 | Appointed | Giovanni Antonio Sangiorgio † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine | Cardinal, Bishop of Parma, Italy |
| Born | Ludovico Simonetta † | | Cardinal, Bishop Emeritus of Pesaro, Italy |
| Died | Acacio de Sobriach † | Bishop of Trieste, Italy |
| Born | Juan Solano, O.P. † | | Bishop Emeritus of Cuzco, Peru |
| Died | Berenger de Sos (Sog) † | Archbishop of Sassari, Italy |
| Resigned | Stephanus , O.F.M. † | Bishop of Santorini {Thira}, Greece | Bishop Emeritus |
| Died | Jérome Antoine de Subiaco † | Bishop of Acci (Accia), France |
| Born | Thomas Thirlby † | | Bishop Emeritus of Ely, England, Great Britain |
| Appointed | Thomas † | Bishop of Aire, France |
| Born | Robert Wauchope † | | Archbishop of Armagh, Ireland |
| Died | Florence Wolley, O.S.B. † | Bishop Emeritus of Clogher, Ireland |
| Born | Melchior Zobel von Giebelstadt † | | Bishop of Würzburg, Germany |
3 Jan | 53.0 | Died | Christoph Schachner † | Bishop of Passau, Germany |
5 Jan | 25.6 | Ordained Bishop | Giovanni Stefano Ferrero † | Bishop of Vercelli, Italy | Cardinal, Bishop of Bologna, Italy |
7 Jan | 41.0 | Died | Fernando de Almeida (Cotignus) † | Bishop of Nevers, France |
8 Jan | | Appointed | David ap Yeworth (Gorwerth), O. Cist. † | Bishop of Saint Asaph, Wales, Great Britain |
60.0 | Confirmed | Henry Deane † | Bishop of Salisbury, England, Great Britain | Archbishop of Canterbury, England, Great Britain |
| Appointed | Miles Saley (Salley), O.S.B. † | Bishop of Llandaff, Wales, Great Britain |
13 Jan | | Appointed | Antoine d’Albon † | Bishop of Arras, France | Former Bishop-Elect |
| Appointed | Giacomo Pisanelli † | Bishop of Scala, Italy |
14 Jan | 54.7 | Selected | Wiguläus Fröschl von Marzoll † | Bishop of Passau, Germany |
| Born | Jodocus Hoetfilter † | | Bishop of Lübeck, Germany |
17 Jan | 30.0 | Died | Juan de Borja Lanzol de Romaní † | Cardinal, Administrator of Valencia, Spain |
24 Jan | 33.0 | Appointed | Philippe de Clèves † | Bishop of Nevers, France | Bishop of Autun, France |
29 Jan | 19.0 | Appointed | Louis de Joyeuse † | Bishop of Saint-Flour, France |
| Appointed | Nicola Pellegrini † | Bishop of Fondi (Fundi), Italy |
31 Jan | | Died | Martin Leonis † | Bishop of Curland, Latvia |
2 Feb | 69.8 | Appointed | Oliviero Carafa † | Administrator of Chieti, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
7 Feb | 57.0 | Appointed | Diego de Deza, O.P. † | Bishop of Palencia, Spain | Archbishop of Sevilla {Seville}, Spain |
| Appointed | Giovanni , O.F.M. † | Bishop of Bisarcio, Italy |
| Appointed | Diego Ramírez de Guzmán † | Bishop of Lugo, Spain | Bishop of Catania, Italy |
40.1 | Appointed | Diego Ramírez de Villaescua de Haro † | Bishop of Málaga, Spain | Bishop of Cuenca, Spain |
| Appointed | Alonso Suárez de la Fuente del Sauce † | Bishop of Jaén, Spain |
9 Feb | 46.1 | Appointed | Francisco Desprats † | Bishop of Astorga, Spain | Cardinal, Bishop of León, Spain |
14 Feb | | Died | Prospero Caffarelli † | Bishop of Ascoli Piceno, Italy |
34.1 | Appointed | Giuliano Cesarini (Jr.) † | Cardinal, Administrator of Ascoli Piceno, Italy |
18 Feb | | Appointed | Olivier de Vienne † | Bishop of Autun, France | Former Bishop-Elect |
20 Feb | | Died | Guillaume d’Harcourt † | Bishop of Verdun, France |
| Succeeded | Waricus de Dommartin † | Bishop of Verdun, France | Bishop-Elect |
| Died | Giovanni Antonio Pavaro (Penosis) † | Bishop of Poreč (Parenzo), Croatia |
22 Feb | | Born | Rodolfo Pio † | | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
24 Feb | | Appointed | Luigi (Alvise) Tasso † | Bishop of Poreč (Parenzo), Croatia | Bishop of Recanati, Italy |
25 Feb | | Born | Giovanni Guidiccioni † | | Bishop of Fossombrone, Italy |
3 Mar | | Born | Reginald Pole † | | Cardinal, Archbishop of Canterbury, England, Great Britain |
12 Mar | | Died | Maunu Särkilahti (Stiernkors) † | Bishop of Åbo, Finland |
18 Mar | | Appointed | Bernard von Polheim † | Bishop of Wien, Austria |
20 Mar | 22.2 | Elevated to Cardinal | Amanieu d’Albret † | In Pectore | Cardinal, Cardinal-Deacon of San Nicola in Carcere |
28.2 | Elevated to Cardinal | Pedro Luis de Borja Lanzol de Romaní, O.S.Io.Hieros. † | In Pectore | Cardinal, Archbishop of Valencia, Spain |
56.2 | Elevated to Cardinal | Diego Hurtado de Mendoza y Quiñones † | In Pectore | Cardinal, Archbishop |
25 Mar | 65.2 | Died | Bartolomé Martí † | Cardinal, Bishop of Segorbe-Albarracin, Spain |
28 Mar | | Appointed | Alessandro Guasco † | Bishop of Alessandria (della Paglia), Italy |
1 Apr | | Appointed | György Szatmári † | Bishop of Veszprém, Hungary | Archbishop of Esztergom, Hungary |
8 Apr | | Appointed | Juan Bautista Bagaroto † | Bishop of Bobbio, Italy |
| Appointed | Giovanni Olivieri † | Bishop of Isernia, Italy |
25 Apr | | Appointed | Gilberto Martí (Martini), O.S.H. † | Bishop of Segorbe-Albarracin, Spain |
26 Apr | | Ordained Bishop | David ap Yeworth (Gorwerth), O. Cist. † | Bishop of Saint Asaph, Wales, Great Britain |
| Ordained Bishop | Miles Saley (Salley), O.S.B. † | Bishop of Llandaff, Wales, Great Britain |
29 Apr | 55.0 | Confirmed | Wiguläus Fröschl von Marzoll † | Bishop of Passau, Germany |
| Appointed | Gregorius † | Bishop of Turnu Severin, Hungary |
| Appointed | Gregorius † | Auxiliary Bishop of Esztergom, Hungary | Bishop of Turnu Severin, Hungary |
| Appointed | Pierre de Rosier † | Administrator of Lavaur, France |
May | 49.3 | Resigned | André d’Espinay † | Administrator of Aix, France | Cardinal, Archbishop of Bordeaux, France |
4 May | | Appointed | Arnaud (Ferdinando) Castiglia † | Bishop of Bagnoregio (Bagnorea), Italy |
22.3 | Appointed | Amanieu d’Albret † | Administrator of Oloron (Oloron-Sainte-Marie), France | Cardinal, Cardinal-Deacon of San Nicola in Carcere |
| Appointed | Agapito Gerardini † | Archbishop of Manfredonia, Italy |
| Appointed | João Lobo † | Bishop of Tanger (Tangier), Morocco |
| Appointed | Diego de Ortiz de Vilhegas † | Bishop of Ceuta, Spain | Bishop of Viseu, Portugal |
| Appointed | Michael Sculteti † | Bishop of Curland, Latvia |
13 May | | Appointed | Christophe de Brillac † | Archbishop of Aix, France | Archbishop of Tours, France |
| Appointed | Pedro de Lizola † | Auxiliary Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| Appointed | Pedro de Lizola † | Titular Bishop of Tripolis in Phoenicia | Auxiliary Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
14 May | 55.1 | Ordained Bishop | Wiguläus Fröschl von Marzoll † | Bishop of Passau, Germany |
| Appointed | Thomas Pigot † | Bishop of Bangor, Wales, Great Britain |
21 May | | Died | Alonso de Valdivieso † | Bishop of León, Spain |
24 May | | Ordained Bishop | Michael Sculteti † | Bishop of Curland, Latvia |
29 May | 76.7 | Died | Thomas Rotheram (Scott) † | Archbishop of York, England, Great Britain |
Jun | | Resigned | Olivier de Vienne † | Bishop-Elect of Autun, France | Former Bishop-Elect |
3 Jun | | Appointed | Thomas Clerke † | Bishop of Killala, Ireland | Bishop Emeritus |
13 Jun | | Born | Ernst von Bayern † | | Former Bishop-Elect of Salzburg, Austria |
26 Jun | | Appointed | Diego Ramírez de Guzmán † | Bishop of Catania, Italy |
35.4 | Appointed | Pedro Ribera † | Bishop of Lugo, Spain |
28 Jun | 66.4 | Appointed | Martinho da Costa † | Archbishop of Lisboa, Portugal |
94.4 | Resigned | Jorge da Costa, O. Cist. † | Archbishop of Lisboa, Portugal | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |