Date | Age | Event | Bishop | Title | Current Title |
unknown | 74.0 | Resigned | Amico Agnifili (de Roccha) † | Cardinal, Bishop of L’Aquila, Italy |
| Died | Angelo Altieri † | Bishop of Nepi e Sutri, Italy |
| Appointed | Angus † | Bishop of The Isles (Sodor), Scotland, Great Britain |
| Died | Fernando de Atienza, O.F.M. † | Bishop of Guadix, Spain |
| Died | Guglielmo Belloni (Bellomo) † | Bishop of Catania, Italy |
| Died | Giovanni Stefano Botticelli † | Bishop of Cremona, Italy |
| Born | Guillaume Briçonnet † | | Bishop of Meaux, France |
| Died | Antonio Caffari † | Bishop of Crotone (Cotrone), Italy |
| Born | Bernardino Carafa † | | Bishop of Chieti, Italy |
| Died | François de Carralaris † | Titular Bishop of Bethleem |
| Resigned | Barthelemy Chuet (Chouet, Cueti) † | Apostolic Administrator of Lausanne, Switzerland | Bishop Emeritus of Nice, France |
| Died | Claudio † | Bishop of Polignano (Polinianum), Italy |
| Died | Leonardo Dachi † | Bishop of Massa Marittima, Italy |
| Born | Pedro Luis de Borja Lanzol de Romaní, O.S.Io.Hieros. † | | Cardinal, Archbishop of Valencia, Spain |
| Born | Egidio da Viterbo, O.E.S.A. † | | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| Born | John Edmund Fitzgerald † | | Bishop of Cork and Cloyne, Ireland |
| Died | Giovanni Gatula † | Bishop of Venafro, Italy |
| Died | Vasino Stephani, O.P. † | Bishop of Bobbio, Italy |
| Resigned | Léon Guérinet † | Bishop of Fréjus, France | Bishop Emeritus |
| Died | Etienne Hugonet † | Bishop of Mâcon, France |
40.0 | Died | János † | Bishop of Pécs, Hungary |
| Died | Jean , O.F.M. † | Bishop of Moldovita (Moldawitza, Suczawa), Romania |
| Born | Jan Karnkowski † | | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| Died | Guillaume Le Ferron † | Bishop of Saint-Pol-de-Léon, France |
| Died | Leonardus , O.S.B. † | Bishop of Termoli, Italy |
49.0 | Died | Jean L’Espervier † | Bishop of Quimper, France |
| Born | John Longlands † | | Bishop of Lincoln, England, Great Britain |
| Died | Aloys Longo, O.P. † | Bishop of Modon (Medone, Methone), Greece |
| Died | Pietro Mattei † | Bishop of Sant’Agata de’ Goti, Italy |
| Appointed | Garcia Menezes † | Bishop of Évora, Portugal |
| Died | Johan Merchteren, O.F.M. † | Auxiliary Bishop of Liège, Belgium |
| Born | Esteban Gabriel Merino † | | Cardinal, Patriarch of West Indies, Spain |
| Died | Domenico Michiel, O.P. † | Bishop of Famagusta, Cyprus |
62.0 | Resigned | Latino Orsini † | Administrator of Polignano (Polinianum), Italy | Cardinal, Archbishop of Taranto, Italy |
| Died | Mario Orsini † | Archbishop of Taranto, Italy |
| Died | Pacomio † | Bishop of Caffa, Italy |
| Born | Raffaello Petrucci † | | Cardinal, Bishop of Grosseto, Italy |
| Ordained Bishop | Pierre de Ranchicourt † | Bishop of Arras, France |
| Died | Georges de Regibus, O.F.M. † | Auxiliary Bishop of Torino, Italy |
| Died | Antonio de Regio, O.S.M. † | Bishop of Bitonto, Italy |
| Born | Erich von Sachsen-Lauenburg † | | Bishop of Münster, Germany |
| Born | Lukas Schleppel † | | Auxiliary Bishop of Speyer, Germany |
| Died | Thomas Susa † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| Resigned | Thomas of Kirkham, O. Cist. † | Bishop of The Isles (Sodor), Scotland, Great Britain | Bishop Emeritus |
| Died | Gonzalo Venegas † | Bishop of Cádiz, Spain |
| Died | Antonio Viminale † | Bishop of Nocera Umbra, Italy |
| Appointed | Johannes Ymminck, O.S.A. † | Auxiliary Bishop of Münster, Germany | Auxiliary Bishop of Paderborn, Germany |
| Died | Mikuláš Zapolya † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
Jan | | Died | Valeriano Calderina † | Bishop of Albenga, Italy |
4 Jan | | Died | Bartolomeo Aglioni † | Bishop of Todi, Italy |
8 Jan | 42.0 | Appointed | John Alcock † | Bishop of Rochester, England, Great Britain | Bishop of Ely, England, Great Britain |
| Appointed | Carlo Boccardini † | Bishop of Narni, Italy |
29.0 | Appointed | Leonello Chiericato † | Bishop of Arbe (Rab), Croatia | Bishop of Concordia (Sagittaria), Italy |
26.0 | Appointed | Barthelemy della Rovere, O.F.M. † | Bishop of Massa Marittima, Italy | Bishop of Ferrara, Italy |
| Appointed | Constantin Eruli † | Bishop of Todi, Italy | Bishop of Spoleto, Italy |
48.3 | Appointed | Thomas Rotheram (Scott) † | Bishop of Lincoln, England, Great Britain | Archbishop of York, England, Great Britain |
9 Jan | | Appointed | João Manuel Ferras † | Bishop of Ceuta, Spain | Bishop of Guarda, Portugal |
12 Jan | | Died | Dietrick Stechow, O. Praem. † | Bishop of Brandenburg, Germany |
13 Jan | | Appointed | Gabriele Serra, O. Cist. † | Archbishop of Cagliari, Italy |
15 Jan | | Confirmed | Henning von Haus † | Bishop of Hildesheim, Germany | Bishop Emeritus |
19 Jan | 61.0 | Ordained Bishop | Jan Rzeszowski † | Bishop of Kraków, Poland |
21 Jan | 30.0 | Appointed | Frédéric de Saluces † | Administrator of Carpentras, France |
31 Jan | 28.1 | Appointed | Giuliano della Rovere † | Bishop of Lausanne, Switzerland | Pope (Roma {Rome}, Italy) |
2 Feb | | Ordained Bishop | Hermann Molitoris, O.P. † | Titular Bishop of Salmasa | Auxiliary Bishop of Halberstadt, Germany |
7 Feb | | Died | Luigi Antonii † | Bishop of Terni, Italy |
14 Feb | 38.1 | Appointed | Girolamo Basso Della Rovere † | Bishop of Albenga, Italy | Cardinal, Bishop of Recanati, Italy |
| Appointed | Jean de Bonald † | Bishop of Maguelonne, France |
| Appointed | Francesco Maria Scelloni-Visconti, O.F.M. † | Bishop of Terni, Italy |
19 Feb | 29.1 | Appointed | Pierre (de Montfort) de Laval † | Bishop of Saint-Brieuc, France | Archbishop of Reims, France |
23 Feb | 28.2 | Installed | Giuliano della Rovere † | Bishop of Lausanne, Switzerland | Pope (Roma {Rome}, Italy) |
24 Feb | | Appointed | Nicolas de Breta † | Bishop of Stefaniaco e Benda, Albania |
| Appointed | Pedro de Ocana, O.F.M. † | Bishop of Guadix, Spain |
| Appointed | Pedro de Ocana, O.F.M. † | Auxiliary Bishop of Toledo, Spain | Bishop of Guadix, Spain |
28 Feb | | Died | Maur de Valleville (Malleville) † | Bishop of Maguelonne, France |
6 Mar | | Appointed | Filippo Zobale, O.S.A. † | Bishop of Comacchio, Italy |
8 Mar | | Ordained Bishop | Georg Golser † | Bishop of Brixen {Bressanone}, Italy | Bishop Emeritus |
9 Mar | | Appointed | Richard Martin, O.F.M. † | Bishop of Waterford and Lismore, Ireland |
12 Mar | | Appointed | Johann Ostwein, O.P. † | Bishop of Modon (Medone, Methone), Greece | Auxiliary Bishop of Strasbourg, France |
15 Mar | 42.2 | Ordained Bishop | John Alcock † | Bishop of Rochester, England, Great Britain | Bishop of Ely, England, Great Britain |
31 Mar | | Appointed | Francesco Agnifili † | Bishop of L’Aquila, Italy |
4 Apr | | Died | Antonio Severini † | Bishop of Gubbio, Italy |
7 Apr | | Died | Tuve Nielsen † | Archbishop of Lund, Sweden |
13 Apr | | Appointed | Antonio de Clemente † | Bishop of Calvi Risorta, Italy |
15 Apr | 38.2 | Died | Nicolaus Miroballo † | Archbishop of Amalfi, Italy |
17 Apr | | Appointed | Gaspare Loffredi † | Bishop of Melfi, Italy |
20 Apr | | Appointed | Giovanni de Mondaviis † | Bishop of Bobbio, Italy |
24 Apr | | Appointed | Giacomo Chiasconi † | Bishop of Anglona, Italy | Bishop Emeritus |
| Died | Antonio d’Errico † | Bishop of Caiazzo, Italy |
| Appointed | Leonardo Griffis † | Bishop of Gubbio, Italy | Archbishop of Benevento, Italy |
1 May | 86.3 | Died | Guillaume Chartier † | Bishop of Paris, France |
4 May | | Resigned | Egidio da Carpi (Guidoni) † | Bishop of Rimini, Italy | Bishop Emeritus |
| Appointed | Bartolomeo Coccapani † | Bishop of Rimini, Italy |
| Appointed | Vincent de Kerléau, O. Cist. † | Bishop of Saint-Pol-de-Léon, France |
| Appointed | John Walton, C.R.S.A. † | Archbishop of Dublin, Ireland | Archbishop Emeritus |
11 May | 42.3 | Appointed | Giuliano Mirto Frangipani † | Bishop of Caiazzo, Italy | Bishop of Tropea, Italy |
| Appointed | Pietro , O. Carm. † | Bishop of Famagusta, Cyprus |
17 May | | Died | Walter Le Hert † | Bishop of Norwich, England, Great Britain |
26 May | | Born | Juan Pardo de Tavera † | | Cardinal, Archbishop of Toledo, Spain |
31 May | | Born | Erhard (Erardo, Everard) von der Mark (de la Marca, Marck) † | | Cardinal, Bishop of Liège, Belgium |
1 Jun | 26.4 | Appointed | Louis de Beaumont de La Forêt † | Bishop of Paris, France |
| Appointed | Giovanni Gatto † | Bishop of Cefalù, Italy |
5 Jun | | Appointed | Pietro Antici Mattei † | Bishop of Giovinazzo, Italy |
| Appointed | Mannus Morula † | Bishop of Sant’Agata de’ Goti, Italy |
14 Jun | | Ordained Bishop | Henning von Haus † | Bishop of Hildesheim, Germany | Bishop Emeritus |
15 Jun | | Appointed | Pedro Fernández de Solís † | Bishop of Cádiz, Spain |
67.4 | Appointed | Diego de Muros (Moiras), O. de M. † | Bishop of Tuy, Spain | Bishop of Ciudad Rodrigo, Spain |
83.4 | Died | Sigismund Pirchan von Rosenberg, O. Cist. † | Auxiliary Bishop of Passau, Germany |
21 Jun | 92.4 | Died | Johannes von Asel † | Bishop Emeritus of Verden, Germany |
22 Jun | | Appointed | João Martins † | Bishop of Caffa, Italy |
| Appointed | João Martins † | Auxiliary Bishop of Lisboa, Portugal | Bishop of Caffa, Italy |
16 Jul | | Appointed | James Goldwell † | Bishop of Norwich, England, Great Britain |
| Appointed | Theobald de Rieux † | Bishop of Quimper, France |
18 Jul | | Appointed | Reginald d’Anglure † | Bishop of Fréjus, France | Bishop-Elect |
19 Jul | | Selected | Arnold von Burgsdorff, O. Praem. † | Bishop of Brandenburg, Germany |
23 Jul | | Appointed | Leonardo Palmero † | Bishop of Molfetta, Italy | Bishop-Elect |
30 Jul | | Selected | John † | Bishop of Ardagh (and Clonmacnois), Ireland |
Aug | | Died | Reginald d’Anglure † | Bishop-Elect of Fréjus, France |
| Died | Leonardo Palmero † | Bishop-Elect of Molfetta, Italy |
3 Aug | 38.1 | Selected | Cristoforo della Rovere † | Cardinal, Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
4 Aug | | Died | Pietro Francesco † | Bishop of Viterbo e Tuscania, Italy |
11 Aug | | Born | Nikolaus von Schönberg, O.P. † | | Cardinal, Archbishop Emeritus of Capua, Italy |
64.6 | Died | János Vitéz (Zredna) † | Archbishop of Esztergom, Hungary |
16 Aug | | Ordained Bishop | Garcia Menezes † | Bishop of Évora, Portugal |
17 Aug | | Appointed | Angelo Alberto † | Bishop of Venafro, Italy |
| Appointed | Patrick Graham † | Archbishop of Saint Andrews, Scotland, Great Britain | Archbishop Emeritus |
| Appointed | Andrea Poltroni de Urbino † | Bishop of Bitonto, Italy | Bishop of Nepi e Sutri, Italy |
| Appointed | Richard Redman, O. Praem. † | Bishop of Saint Asaph, Wales, Great Britain | Bishop of Ely, England, Great Britain |
25 Aug | | Appointed | Antonio de Alcala † | Bishop of Ottana, Italy |
27 Aug | | Ordained Bishop | John Walton, C.R.S.A. † | Archbishop of Dublin, Ireland | Archbishop Emeritus |
28 Aug | | Died | Gérard (Bastet) de Crussol † | Bishop of Valence and Die, France | Titular Patriarch of Antiochia {Antioch} |
31 Aug | | Appointed | Francesco Maria Scelloni-Visconti, O.F.M. † | Bishop of Viterbo e Tuscania, Italy | Bishop of Terni, Italy |
| Appointed | Tommaso Vincenzi † | Bishop of Terni, Italy | Bishop of Pesaro, Italy |
15 Sep | 38.2 | Confirmed | Cristoforo della Rovere † | Cardinal, Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
16 Sep | | Appointed | Pietro Bagnacavallo † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
40.7 | Appointed | Giovanni Battista Cibo † | Bishop of Molfetta, Italy | Pope (Roma {Rome}, Italy) |
| Appointed | Urbain de Flisco † | Bishop of Fréjus, France |
| Appointed | Pietro Gara, O.P. † | Bishop of Savona, Italy | Bishop Emeritus |
23 Sep | 27.4 | Appointed | Pietro Riario, O.F.M. Conv. † | Administrator of Valence and Die, France | Cardinal, Archbishop of Firenze {Florence}, Italy |
27 Sep | | Ordained Bishop | Angus † | Bishop of The Isles (Sodor), Scotland, Great Britain |
2 Oct | | Appointed | Philibert Hugonet † | Cardinal, Bishop of Mâcon, France |
4 Oct | | Ordained Bishop | James Goldwell † | Bishop of Norwich, England, Great Britain |
5 Oct | | Confirmed | Arnold von Burgsdorff, O. Praem. † | Bishop of Brandenburg, Germany |
12 Oct | | Appointed | Giacomo Minutoli † | Bishop of Nocera Umbra, Italy | Bishop of Agde, France |
15 Oct | | Died | Antoine du Bec-Crespin † | Archbishop of Narbonne, France |
26 Oct | | Appointed | William Roche † | Bishop of Cork and Cloyne, Ireland | Bishop Emeritus |
30 Oct | 62.8 | Appointed | Latino Orsini † | Cardinal, Archbishop of Taranto, Italy |
6 Nov | | Appointed | Antonio de Agello † | Archbishop of Bari (-Canosa), Italy |
62.8 | Resigned | Latino Orsini † | Administrator of Bari (-Canosa), Italy | Cardinal, Archbishop of Taranto, Italy |
16 Nov | | Confirmed | John † | Bishop of Ardagh (and Clonmacnois), Ireland |
18 Nov | 69.8 | Died | Bessarion Basilios , O.S.B.M. † | Cardinal, Titular Archbishop of Thebae |
23 Nov | 27.5 | Appointed | Pietro Riario, O.F.M. Conv. † | Titular Patriarch of Constantinople | Cardinal, Archbishop of Firenze {Florence}, Italy |
Dec | | Died | Grégoire Bulhar † | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
11 Dec | | Appointed | Rodrigo de Borja † | Bishop of Barcelona, Spain |
57.9 | Appointed | Angelo Capranica † | Cardinal, Cardinal-Bishop of Palestrina |
| Appointed | Giovanni Cardellis, O.S.B. † | Bishop of Agrigento (Girgenti), Italy |
65.3 | Appointed | Alain de Coëtivy † | Cardinal-Bishop of Sabina | Cardinal, Bishop of Avignon, France |
27.9 | Appointed | Pedro Folch y Cardona † | Bishop of Urgell, Spain | Archbishop of Tarragona, Spain |
16 Dec | | Appointed | Reginald de Bourbon † | Archbishop of Narbonne, France |
57.9 | Appointed | Gabriele Rangone, O.F.M. Obs. † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania | Cardinal, Bishop of Eger, Hungary |