Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Antonio † | Bishop of Lacedonia, Italy |
| Died | Barthélémy d’Arribaire, O.P. † | Bishop of Bayonne, France |
| Appointed | Henri de Blanchis de Vellate † | Bishop of Sion {Sitten}, Switzerland | Bishop Emeritus |
| Appointed | Giacomo Carafa † | Archbishop of Bari (-Canosa), Italy |
| Appointed | Francesco Carbone, O. Cist. † | Cardinal, Cardinal-Bishop of Sabina |
| Died | Pietro della Scala, O.P. † | Bishop of Lodi, Italy |
| Died | Sergio Grisone † | Archbishop of Amalfi, Italy |
| Died | Carlos de Guevara † | Bishop of Salamanca, Spain |
| Died | Jean Hiltalinger, O.P. † | Bishop of Lombez, France |
| Died | Hugo de Lamanhania (Magialla) † | Bishop of Cavaillon, France |
| Died | Guillaume de la Voute, O.S.B. † | Archbishop of Albi, France |
| Died | Henryk Mazowiecki † | Bishop-Elect of Płock, Poland |
| Appointed | Nicolň Menzi, O.E.S.A. † | Bishop of Lavello, Italy | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| Died | Nicola † | Bishop of Cassano all’Jonio, Italy |
| Resigned | Nicola † | Bishop of Policastro, Italy |
| Appointed | Jacobus de Ockenbroge, O.F.M. † | Auxiliary Bishop of Tournai {Doornik}, Belgium |
| Died | Bartolomeo Petri, O.F.M. † | Bishop of Dragonara, Italy |
| Appointed | Pietro , O.F.M. † | Bishop of Nusco, Italy | Bishop of Famagusta, Cyprus |
| Confirmed | Heinrich zu Stolberg † | Bishop of Merseburg, Germany |
| Appointed | Jakub Strepa, O.F.M. † | Archbishop of Halicz (Galyc), Ukraine |
| Appointed | Tommaso † | Bishop of Lettere (-Gragnano), Italy | Bishop of Ugento, Italy |
| Died | Tommaso † | Bishop of Nebbio, France |
| Died | Filippo de Toralto † | Bishop of Sessa Aurunca, Italy |
| Born | Fantino Vallaresso † | | Archbishop of Candia {Crete}, Greece |
5 Jan | | Appointed | Corrado de Cloaco † | Archbishop of Oristano, Italy | Bishop of Noli, Italy |
11 Jan | | Appointed | Isnard de Saint-Julien, O.E.S.A. † | Bishop of Senez, France |
12 Jan | | Died | Jan Radlica † | Bishop of Kraków, Poland |
16 Jan | | Appointed | Milillo , O.E.S.A. † | Bishop of Andria, Italy | Bishop of Salpi (Salapia), Italy |
24 Jan | | Appointed | Guglielmo di Nardň † | Bishop of Lacedonia, Italy | Bishop of Gallipoli, Italy |
29 Jan | | Appointed | Antonio de Rossi † | Bishop of Guardialfiera (Guardia), Italy | Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
30 Jan | | Appointed | Maternus † | Bishop of Veszprém, Hungary | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
31 Jan | | Appointed | Jaime Olzina, O.P. † | Bishop of Telde-Canarias, Spain |
11 Feb | | Died | Nikolaus Ziegenbock, O.P. † | Bishop of Meißen (Meissen), Germany |
19 Feb | | Appointed | Nicola de Lingolis, O.P. † | Bishop of Argos, Greece |
1 Mar | | Appointed | Maffiolus de Lampugnano † | Archbishop (Personal Title) of Kraków, Poland | Bishop of Płock, Poland |
4 Mar | | Appointed | Faustino de Ricchetti † | Titular Bishop of Megara |
6 Mar | | Appointed | Gilforte Riccobono † | Bishop of Agrigento (Girgenti), Italy | Archbishop of Palermo, Italy |
8 Mar | | Appointed | Giovanni Bonifacio Panella † | Bishop of Ferentino, Italy | Bishop of Muro Lucano, Italy |
9 Mar | | Appointed | Filippo Crispo, O.E.S.A. † | Archbishop of Messina, Italy |
11 Mar | | Appointed | Giovanni da Pisa, O.P. † | Bishop of Lettere (-Gragnano), Italy |
20 Mar | | Resigned | Giovanni Enselmini † | Bishop of Padova {Padua}, Italy | Bishop of Adria, Italy |
27 Mar | | Died | Francesco Falier † | Bishop of Castello, Italy |
6 Apr | | Appointed | Tommaso † | Bishop of Ugento, Italy |
9 Apr | | Died | Heidenrich Wolf von Lüdinghausen † | Bishop of Münster, Germany |
11 Apr | | Selected | Otto von Hoya † | Bishop of Münster, Germany |
23 Apr | | Ordained Bishop | Giovanni Bonifacio Panella † | Bishop of Ferentino, Italy | Bishop of Muro Lucano, Italy |
29 Apr | | Appointed | Leonardo Dolfin † | Archbishop (Personal Title) of Castello, Italy | Archbishop of Candia {Crete}, Greece |
May | | Died | John Duncan † | Bishop of The Isles (Sodor), Scotland, Great Britain | Bishop of Sodor and Man, Scotland, Great Britain |
| Died | Alexander Neville † | Archbishop Emeritus of York, England, Great Britain |
7 May | | Appointed | Ugo Roberti † | Bishop of Padova {Padua}, Italy | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
18 May | | Appointed | Antonio , O. Cist. † | Bishop of Sessa Aurunca, Italy |
21 May | | Appointed | Nicolň Menzi, O.E.S.A. † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
22 May | | Died | Agostino di Boemia, O.E.S.A. † | Bishop of Concordia (Sagittaria), Italy |
28 May | | Died | Clément de Grammont † | Bishop of Lodčve, France |
10 Jun | | Confirmed | Otto von Hoya † | Bishop of Münster, Germany |
12 Jun | | Appointed | Luigi Aliotti † | Titular Archbishop of Athenai {Athens}, Greece | Bishop of Volterra, Italy |
25 Jun | | Appointed | Gentile de Tufo † | Bishop of Castellammare di Stabia, Italy |
26 Jun | | Appointed | Luca de Roccacontrata, O.F.M. † | Bishop of Policastro, Italy | Bishop of Belcastro, Italy |
Jul | | Died | Gonzalo González de Bustamante † | Bishop of Segovia, Spain |
10 Jul | | Appointed | Arnaud de Saliers † | Bishop of Aire, France | Bishop of Lescar, France |
12 Jul | 42.5 | Appointed | Antonio Panciera † | Bishop of Concordia (Sagittaria), Italy | Cardinal, Cardinal-Bishop of Frascati |
13 Jul | | Appointed | Jakob Gertsen † | Archbishop of Lund, Sweden |
15 Jul | | Appointed | Pietro † | Bishop of Nebbio, France |
9 Aug | | Appointed | Albano Micheli † | Archbishop of Corfů, Greece | Bishop of Padova {Padua}, Italy |
16 Aug | | Appointed | Giacomo di Sant’Angelo, O.E.S.A. † | Bishop of Nicotera, Italy |
19 Aug | 50.6 | Appointed | Gilles Aycelin de Bellčmere † | Cardinal, Bishop of Avignon, France |
| Appointed | Guillaume Grimoard † | Bishop of Lodčve, France |
| Appointed | Ythier de Martreuil † | Bishop of Le Puy-en-Velay, France | Bishop of Poitiers, France |
| Appointed | Barnabé de Rochefort † | Bishop of Nantes, France |
26 Aug | | Appointed | Giovanni Enselmini † | Bishop of Adria, Italy |
27 Aug | | Appointed | Pietro , O.F.M. † | Bishop of Ventimiglia, Italy | Bishop of Famagusta, Cyprus |
31 Aug | | Appointed | Marco Giustiniani † | Archbishop of Candia {Crete}, Greece |
2 Sep | | Appointed | Jan Kietlicz † | Bishop of Meißen (Meissen), Germany | Bishop Emeritus |
6 Sep | | Appointed | Jean Canard † | Bishop of Arras, France |
18 Sep | | Died | Antonio de Maseri † | Bishop of Belluno e Feltre, Italy |
24 Sep | 67.7 | Died | Jean de Talaru † | Cardinal, Archbishop Emeritus of Lyon, France |
26 Sep | | Appointed | Bartolomeo Raimondi, O.S.B. † | Bishop of Bologna, Italy |
| Appointed | Andrea Sinrao (Sinravo, Serao) † | Bishop of Squillace, Italy | Bishop of Caiazzo, Italy |
Oct | | Died | Giovanni Angeletti † | Bishop of Foligno, Italy |
| Died | Gentile de Tufo † | Bishop of Castellammare di Stabia, Italy |
1 Oct | | Appointed | Pietro † | Bishop of Cassano all’Jonio, Italy | Bishop of Marsico Nuovo, Italy |
10 Oct | | Appointed | Pierre † | Bishop of Lombez, France |
16 Oct | | Appointed | Diego de Anaya Maldonado † | Bishop of Salamanca, Spain | Archbishop of Sevilla {Seville}, Spain |
| Appointed | Pedro Díaz † | Bishop of Orense, Spain |
| Appointed | Alfonso de Frías † | Bishop of Segovia, Spain |
24 Oct | | Appointed | Domenico da Firenze, O.P. † | Bishop of Albi, France | Archbishop of Toulouse, France |
28 Oct | | Appointed | Maciej Janina, O.F.M. † | Bishop of Przemyśl, Poland |
| Ordained Bishop | Jakub Strepa, O.F.M. † | Archbishop of Halicz (Galyc), Ukraine |
Nov | | Died | Antonio de Vulponno, O.S.B. † | Bishop of Malta |
3 Nov | | Ordained Bishop | Jean Canard † | Bishop of Arras, France |
6 Nov | | Appointed | Nicola di Nardň, O.F.M. † | Bishop of Daulis, Greece |
8 Nov | 72.8 | Died | Bertrand Lagier, O.F.M. † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
11 Nov | | Appointed | Niccolň Vivari † | Bishop of Potenza, Italy | Bishop of Chieti, Italy |
13 Nov | | Appointed | Antonio Arcamone, O.P. † | Bishop of Castellammare di Stabia, Italy |
15 Nov | | Appointed | Jan Mráz (Frost) † | Bishop of Lebus, Germany | Bishop of Olomouc (Olmütz), Czechia |
28 Nov | | Resigned | Humbert de Billens † | Bishop of Sion {Sitten}, Switzerland | Bishop Emeritus |
Dec | 52.9 | Appointed | Jean de Neufchâtel † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
1 Dec | | Ordained Bishop | Bartolomeo Raimondi, O.S.B. † | Bishop of Bologna, Italy |
3 Dec | | Appointed | Stefano Bordoni † | Bishop of Amelia, Italy | Bishop of Telese o Cerreto Sannita, Italy |
19 Dec | 38.9 | Appointed | Piotr Wysz Radoliński † | Bishop of Kraków, Poland | Bishop of Poznań, Poland |