Date | Age | Event | Bishop | Title | Current Title |
unknown | | Resigned | Fionnlagh of Albany, O.P. † | Bishop of Argyll (Lismore), Scotland, Great Britain | Bishop Emeritus |
| Died | Garsias Arnaud † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| Died | Pietro da Auletta, O.P. † | Bishop of Bovino, Italy |
52.0 | Died | Johannes von Bayern-Hennegau † | Former Bishop-Elect of Ličge, Belgium |
| Died | Giovanni da Campolongo, O. Carm. † | Bishop of Ales (Uselli), Italy |
| Born | Roberto Caracciolo, O.F.M. † | | Bishop of Aquino, Italy |
| Born | Antoine Champion † | | Bishop of Genčve {Geneva}, Switzerland |
| Ordained Bishop | John Cliderow † | Bishop of Bangor, Wales, Great Britain |
| Died | Géraud du Breuil † | Bishop of Uzés, France |
| Born | Niccolň Franco † | | Bishop of Treviso, Italy |
| Died | Andrea Gacci † | Bishop of Terracina, Priverno e Sezze, Italy |
| Died | Bartolomeo Ghini † | Bishop of Massa Marittima, Italy |
| Died | Fernando González Deza † | Bishop of Córdoba, Spain |
| Died | Joăo Homem † | Bishop of Viseu, Portugal |
| Born | Wincenty Kiełbasa † | | Bishop of Chelmno (Culma, Kulm), Poland |
| Born | Gottfried Lange † | | Bishop of Schwerin, Germany |
| Died | Lazzaro † | Bishop of Jesi, Italy |
| Resigned | Gentile Maccafani (d’Ajello) † | Bishop of Sessa Aurunca, Italy | Bishop Emeritus |
| Resigned | Bertrand de Maumont † | Bishop of Tulle, France | Bishop Emeritus |
| Died | Nicolň Menzi, O.E.S.A. † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| Died | Michele † | Bishop of Sapë, Albania |
| Died | Guillaume de Nalajo † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| Appointed | Gabriel Nielli, O.F.M. † | Bishop of Milos (Melos), Greece |
| Died | Giacomo Ordini † | Bishop of Sagone (Sagona), France |
| Died | Álvaro Pérez Barreguín † | Bishop of Orense, Spain |
| Died | Vittore di Rimini, O.E.S.A. † | Bishop of Cesena, Italy |
| Died | Matteo Serra, O.P. † | Bishop of Terralba, Italy |
| Born | Henrik Tidemansson † | | Bishop of Linköping, Sweden |
| Died | Bartolomeo Vanni, O.E.S.A. † | Bishop Emeritus of Bovino, Italy |
| Born | István Várdai † | | Cardinal, Archbishop of Kalocsa, Hungary |
| Died | Degenhard von Weichs † | Former Bishop-Elect of Freising, Germany |
| Resigned | Nicola Wallibassa † | Bishop of Drivasto (Drivost), Albania | Bishop Emeritus |
| Ordained Bishop | John Wells, O.F.M. † | Bishop of Llandaff, Wales, Great Britain |
10 Jan | | Appointed | Cormac MacCoghlan † | Bishop of Clonmacnoise, Ireland |
| Appointed | Richard O’Ferral † | Bishop of Ardagh (and Clonmacnois), Ireland |
19 Jan | 45.0 | Appointed | Johann Tiergart, O.T. † | Bishop of Curland, Latvia |
24 Jan | 65.0 | Resigned | Giacomo Isolani † | Administrator of Melfi, Italy | Cardinal, Cardinal-Deacon of Sant’Eustachio |
6 Feb | | Appointed | Zweder van Kuilenburg † | Bishop of Utrecht, Netherlands | Bishop Emeritus |
14 Feb | | Appointed | Bérenger Guilhot (Guillot) † | Archbishop of Tyrus |
| Appointed | Bérenger Guilhot (Guillot) † | Administrator of Agde, France | Archbishop of Tyrus |
| Appointed | Philippe de Lévis † | Bishop of Auch, France |
28 Feb | | Appointed | Jacopo di Castelluccio, O.S.B. † | Bishop of Guardialfiera (Guardia), Italy |
| Appointed | Domenico di Giovanni, O.P. † | Bishop of Terralba, Italy |
14 Mar | | Confirmed | Heinrich von Moers † | Bishop of Münster, Germany |
17 Mar | | Died | Raoul de Coucy † | Bishop of Noyon, France |
19 Mar | | Appointed | Pedro Martínez † | Bishop of Zamora, Spain |
Apr | | Resigned | Michele Mantegazza, O.E.S.A. † | Bishop of Alessandria (della Paglia), Italy | Bishop Emeritus |
9 Apr | | Died | John Wakering † | Bishop of Norwich, England, Great Britain |
11 May | | Appointed | Jacobus de Ayresta † | Bishop of Mondovi, Italy |
| Appointed | Boetius de Tolentino, O.E.S.A. † | Archbishop of Colosses {Rhodes}, Greece |
14 May | | Appointed | Jean Grignart, O.P. † | Titular Bishop of Dschebail |
| Appointed | Secondo Nani † | Bishop of Kotor (Cattaro), Montenegro |
| Appointed | Francesco Pavoni † | Bishop of Argos, Greece |
18 May | | Appointed | Jean de Fabri † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| Appointed | Arnaud de Saliers † | Bishop of Lescar, France |
21 May | | Appointed | Giovanni de Normannis † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop of Gaeta, Italy |
23 May | 75.3 | Resigned | Antonio Panciera † | Administrator of Equilio (Jesolo), Italy | Cardinal, Cardinal-Bishop of Frascati |
| Appointed | Guglielmo de Portugruario † | Bishop of Equilio (Jesolo), Italy |
| Appointed | Péter Rozgonyi † | Bishop of Eger, Hungary |
25 May | | Appointed | Gérard de Charno † | Bishop of Lombez, France |
| Appointed | Nicolas Draconich † | Bishop of Toulon, France |
| Appointed | Truto , O.F.M. † | Bishop of Hólar, Iceland |
| Appointed | Vitale Valentini, O.F.M. † | Titular Bishop of Salmasa |
27 May | 75.4 | Died | Jakub z Korzkwi † | Bishop of Płock, Poland |
| Ordained Bishop | John Stafford † | Bishop of Bath and Wells, England, Great Britain | Archbishop of Canterbury, England, Great Britain |
30 May | | Appointed | Innocenzo de Comite † | Bishop of Jesi, Italy |
| Appointed | Robert Ringman, O.F.M. † | Bishop of Garðar, Greenland |
14 Jun | | Died | William de Lauder † | Bishop of Glasgow, Scotland, Great Britain |
25 Jun | | Appointed | Nicola Giorgio de Maglinto † | Bishop of Melfi, Italy |
Jul | | Died | Jean de Fabri † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
1 Jul | | Ordained Bishop | Robert Ringman, O.F.M. † | Bishop of Garðar, Greenland |
4 Jul | | Appointed | Domenico da Ragusa, O.P. † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
11 Jul | | Died | Bernardo Pace (de Carpi), O.F.M. † | Bishop of Parma, Italy |
13 Jul | | Appointed | Pierre , O.S.B. † | Bishop of Sapë, Albania |
20 Jul | 45.5 | Appointed | John Kempe † | Archbishop of York, England, Great Britain | Cardinal, Archbishop of Canterbury, England, Great Britain |
| Appointed | Jean de Mailly † | Bishop of Noyon, France |
| Appointed | Diego Rapado † | Bishop of Orense, Spain | Bishop of Oviedo, Spain |
| Appointed | Rodrigo de Torres † | Bishop of Tuy, Spain |
27 Jul | | Appointed | Filippo Costulfaria † | Bishop of Bova, Italy |
| Appointed | Nicolas de Troja, O.F.M. † | Titular Bishop of Tanis |
30 Jul | | Died | Géraud du Puy, O.F.M. † | Bishop of Lectoure, France |
| Appointed | William Grey † | Bishop of London, England, Great Britain | Bishop of Lincoln, England, Great Britain |
1 Aug | | Ordained Bishop | Zweder van Kuilenburg † | Bishop of Utrecht, Netherlands | Bishop Emeritus |
3 Aug | | Appointed | Bernardino Caracciolo † | Archbishop of Cosenza, Italy |
| Appointed | Johann von Diepholz † | Bishop of Osnabrück, Germany |
| Appointed | Pietro Fusterio, O.F.M. † | Bishop of Nisyros, Greece |
| Appointed | Francesco Tomacelli † | Archbishop (Personal Title) of Capaccio, Italy | Bishop |
14 Aug | | Born | Teodoro Paleologo di Montferrato † | | Cardinal, Cardinal-Deacon of San Teodoro |
15 Aug | | Died | Sancho Sánchiz de Oteiza † | Bishop of Pamplona, Spain |
19 Aug | | Ordained Bishop | Nicolas de Troja, O.F.M. † | Titular Bishop of Tanis |
24 Aug | 27.6 | Appointed | Delfino della Pergola † | Bishop of Parma, Italy | Bishop of Modena, Italy |
26 Aug | | Died | Johann von Saalfeld † | Bishop of Samland (Sambia), Poland |
31 Aug | | Appointed | Bartolomeo de Sperella, O.F.M. † | Bishop of Bovino, Italy |
5 Sep | | Appointed | Jean Raphanel, O.F.M. † | Bishop of Aulon, Greece | Bishop Emeritus of Senlis, France |
10 Sep | | Appointed | Gérard de Faidit † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
22 Sep | | Appointed | Jacopo Caracciolo † | Administrator of Civitate (Cittŕ or Civita), Italy |
| Died | Jacopo Minutolo † | Administrator of Civitate (Cittŕ or Civita), Italy |
26 Sep | | Appointed | Fergal FitzMartin, O.E.S.A. † | Bishop of Killala, Ireland |
28 Sep | | Appointed | Pierre de Cotigny † | Bishop of Montauban, France | Bishop of Castres, France |
29 Sep | | Ordained Bishop | Alessandro de Masovia † | Bishop of Trento, Italy | Bishop Emeritus |
8 Oct | | Appointed | Nicola Aletti † | Bishop of Isola, Italy |
| Resigned | Francesco de Arceriis † | Administrator of Isola, Italy | Bishop of Squillace, Italy |
10 Oct | | Appointed | Antonio Ventura, O.F.M. † | Bishop of Croatia, Croatia |
15 Oct | | Appointed | Sean MacBrady, O. Carm. † | Bishop of Annaghdown (Enach Dune), Ireland |
28 Oct | | Ordained Bishop | Antonio Ventura, O.F.M. † | Bishop of Croatia, Croatia |
11 Nov | | Ordained Bishop | Fergal FitzMartin, O.E.S.A. † | Bishop of Killala, Ireland |
16 Nov | | Died | Jeronimo de Ocón † | Bishop of Elne, France |
19 Nov | | Died | John Fordham † | Bishop of Ely, England, Great Britain |
28 Nov | 38.9 | Appointed | Juan Casanova, O.P. † | Bishop of Elne, France | Cardinal, Administrator of Gerona, Spain |
29 Nov | | Appointed | Denis von Knin, O.P. † | Bishop of Drivasto (Drivost), Albania |
1 Dec | | Died | Giacomo de Camplo (Turco) † | Bishop of Carpentras, France |
2 Dec | | Ordained Bishop | Pierre , O.S.B. † | Bishop of Sapë, Albania |
3 Dec | 25.5 | Appointed | Domenico Capranica † | Bishop of Fermo, Italy | Cardinal, Administrator |
5 Dec | | Appointed | Gérard d’Araux (Orbignac) † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| Appointed | Pietro Donŕ (Donato) † | Archbishop (Personal Title) of Castello, Italy | Bishop of Padova {Padua}, Italy |
33.9 | Appointed | Fantino Vallaresso † | Archbishop of Candia {Crete}, Greece |
10 Dec | | Appointed | Antonio Casini † | Bishop of Massa Marittima, Italy |
12 Dec | | Died | Matteo Diamanti † | Bishop of Pistoia, Italy |
| Appointed | Giacomo de Villanova, O.F.M. † | Bishop of Ales (Uselli), Italy |
19 Dec | | Appointed | Thomas Abaraner (Aparaner), O.P. † | Archbishop of Soltania (Soltaniyeh), Iran |
| Appointed | Paolo Ferrante † | Bishop of Cesena, Italy |
| Appointed | Giovanni di San Michele, O.P. † | Titular Bishop of Tiflis |
21 Dec | | Appointed | Michael Jung † | Bishop of Samland (Sambia), Poland |
| Appointed | Andrzej Spławski † | Bishop of Lutsk (Łuck), Ukraine |
42.9 | Appointed | Pierre de Valon † | Bishop of Lectoure, France |
22 Dec | | Died | John Geese, O. Carm. † | Bishop of Waterford and Lismore, Ireland |
27 Dec | | Ordained Bishop | Denis von Knin, O.P. † | Bishop of Drivasto (Drivost), Albania |
29 Dec | 38.9 | Confirmed | Juan Casanova, O.P. † | Bishop of Elne, France | Cardinal, Administrator of Gerona, Spain |
| Appointed | Stanisław z Pawłowic † | Bishop of Płock, Poland |