Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Álvaro Afonso † | Bishop of Évora, Portugal |
| Died | Giovanni Burgio † | Archbishop of Palermo, Italy |
| Born | Giovanni Giacomo Castiglione † | | Archbishop of Bari (-Canosa), Italy |
| Appointed | Barthelemy Chuet (Chouet, Cueti) † | Apostolic Administrator of Lausanne, Switzerland | Bishop Emeritus of Nice, France |
| Resigned | Juan Díaz de Coca † | Bishop of Oviedo, Spain | Bishop of Calahorra y La Calzada, Spain |
| Died | Gutierre de la Cueva, O.S.A. † | Bishop of Palencia, Spain |
53.0 | Died | Pal Engjëlli † | Archbishop of Durrës (Durazzo), Albania |
| Died | Johann Erler, O.F.M. † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| Died | Antonio de Fabriano, O.F.M. † | Bishop of Caorle, Italy |
| Born | St. John Fisher † | | Cardinal, Bishop of Rochester, England, Great Britain |
| Born | Sigismondo Gonzaga † | | Cardinal, Cardinal-Deacon of Santa Maria Nuova |
| Died | Vitus Huendler, O. Carm. † | Auxiliary Bishop of Pécs, Hungary |
38.0 | Ordained Priest | Johann Kerer † | Priest of Strasbourg, France | Auxiliary Bishop Emeritus of Augsburg, Germany |
| Died | Alonso López de Valladolid † | Bishop of Orense, Spain |
| Died | Giacomo de Monte Aquila † | Bishop of Isernia, Italy |
| Died | Jean de Montigny † | Bishop of Glandčves, France |
| Died | Amedeo Nori † | Bishop of Vercelli, Italy |
| Died | Lawrence O’Galchor † | Bishop of Raphoe, Ireland |
| Born | Stanisław Oleśnicki † | | Bishop of Poznań, Poland |
| Born | Giacomo Pasi † | | Bishop of Faenza, Italy |
| Born | Silvio Passerini † | | Cardinal, Bishop of Cortona, Italy |
| Died | Giovanni Paterna, O.F.M. † | Bishop of Pesaro, Italy |
| Died | Guillermo Ponce de Fenollet † | Bishop of Huesca, Spain |
| Died | Giacomo Romanesci, O.F.M. † | Bishop of Castro [del Lazio], Italy |
| Died | Pietro Santorio † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Died | Scipion † | Bishop of Mirepoix, France |
69.0 | Appointed | Thomas Scrope, O. Carm. † | Auxiliary Bishop of Canterbury, England, Great Britain | Bishop Emeritus of Dromore, Ireland |
| Died | Andrea Tolomei † | Bishop of Siracusa, Italy |
| Died | Johannes Wennecker, O.S.A. † | Auxiliary Bishop of Münster, Germany |
Jan | | Born | Pietro Griffo † | | Bishop of Forli, Italy |
29 Jan | | Appointed | Alfonso de Fonseca † | Bishop of Ávila, Spain | Bishop of Osma, Spain |
9 Feb | | Appointed | Garcia , O.S.B. † | Bishop of Coimbra, Portugal | Archbishop of Braga, Portugal |
30.1 | Appointed | Juan Roderici † | Bishop of Évora, Portugal |
12 Feb | 61.1 | Ordained Bishop | Jaime Perez de Valencia, O.S.A. † | Titular Bishop of Christopolis | Auxiliary Bishop of Valencia, Spain |
17 Feb | | Appointed | Pacomio † | Bishop of Caffa, Italy |
20 Feb | | Appointed | Matteo Doti † | Bishop of Scala, Italy |
| Born | Tommaso (Jacopo) de Vio, O.P. † | | Cardinal, Bishop of Gaeta, Italy |
27 Feb | | Appointed | Nunius Alvarez, O.S.A. † | Bishop of Tanger (Tangier), Morocco |
| Appointed | Domenico Camisati † | Bishop of Rieti, Italy |
| Appointed | Juan de Deza † | Bishop of Orense, Spain | Bishop-Elect |
17 Mar | | Appointed | Leonce de Naxia, O.F.M. Obs. † | Bishop of Sitia, Greece |
9 Apr | 63.2 | Ordained Bishop | Maffeo Girardi (Gherardi), O.S.B. † | Cardinal, Patriarch of Venezia {Venice}, Italy |
12 Apr | 81.1 | Died | Peter von Schaumberg † | Cardinal, Bishop of Augsburg, Germany |
17 Apr | | Appointed | Luigi Caracciolo † | Bishop of Potenza, Italy |
| Appointed | Pietro Mattei † | Bishop of Sant’Agata de’ Goti, Italy |
23 Apr | | Appointed | Filippo Bartolomei † | Bishop of Ario, Greece | Bishop of Hierapetra, Greece |
| Ordained Bishop | Pietro Bruto † | Bishop of Croja, Albania | Bishop of Kotor (Cattaro), Montenegro |
26 Apr | | Died | Jean Gentien (Gentiani) † | Bishop of Lavaur, France |
5 May | | Appointed | Nicola Barrault (Barbuti), O.P. † | Bishop of Durrës (Durazzo), Albania |
7 May | | Ordained Bishop | Pietro Mattei † | Bishop of Sant’Agata de’ Goti, Italy |
11 May | | Ordained Bishop | Nicola de Genupia † | Bishop of Mottola (Motula), Italy |
15 May | | Appointed | Robert Clément, O.S.A. † | Auxiliary Bishop of Rouen, France |
| Appointed | Robert Clément, O.S.A. † | Titular Bishop of Diospolis | Auxiliary Bishop of Rouen, France |
| Appointed | Goswin Haex von Loenhout, O. Carm. † | Auxiliary Bishop of Utrecht, Netherlands |
| Appointed | Goswin Haex von Loenhout, O. Carm. † | Titular Bishop of Hierapolis in Phrygia | Auxiliary Bishop of Utrecht, Netherlands |
| Appointed | Marien de Qualeatis † | Bishop of Glandčves, France |
38.3 | Appointed | Johann von Werdenberg † | Bishop of Augsburg, Germany |
19 May | 53.3 | Appointed | Giovanni Giacomo d’Acri, O.F.M. † | Minister General of Order of Friars Minor | Bishop of Treviso, Italy |
54.8 | Resigned | Francesco della Rovere, O.F.M. † | Minister General of Order of Friars Minor | Pope (Roma {Rome}, Italy) |
30 May | 87.4 | Died | Lope Barrientos, O.P. † | Bishop of Cuenca, Spain |
5 Jun | | Appointed | Nicolas Próchnicki † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| Appointed | Jean Vigier † | Bishop of Lavaur, France |
6 Jun | | Born | Richard Nykke (Nix) † | | Bishop of Norwich, England, Great Britain |
9 Jun | | Died | Filippo Baudone Roero, O.P. † | Bishop of Asti, Italy |
23 Jun | | Appointed | Anton Nicolai, O.F.M. † | Auxiliary Bishop of Gniezno, Poland |
| Appointed | Anton Nicolai, O.F.M. † | Titular Bishop of Athyra | Auxiliary Bishop of Gniezno, Poland |
Jul | | Died | William Creagh (Russell) † | Bishop of Limerick, Ireland |
| Died | Leone de Simone † | Bishop of Nola, Italy |
10 Jul | | Appointed | Thaddeus Morisey † | Bishop of Down and Connor, Ireland |
| Appointed | Nicholas † | Bishop of Elphin, Ireland |
| Appointed | Johannes Ymminck, O.S.A. † | Auxiliary Bishop of Paderborn, Germany |
| Appointed | Johannes Ymminck, O.S.A. † | Titular Bishop of Tiflis | Auxiliary Bishop of Paderborn, Germany |
14 Jul | | Appointed | Thomas Arthur † | Bishop of Limerick, Ireland |
| Appointed | Urbano Boninvardo, O.S.B. † | Bishop of Vercelli, Italy |
15 Jul | | Appointed | Henry † | Auxiliary Bishop of Canterbury, England, Great Britain |
| Appointed | Henry † | Titular Bishop of Ioppe | Auxiliary Bishop of Canterbury, England, Great Britain |
23 Jul | 38.5 | Ordained Bishop | Johann von Werdenberg † | Bishop of Augsburg, Germany |
28 Jul | | Died | Donatus O’Fergal † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Appointed | Radinus † | Bishop of Konavlje, Albania |
9 Aug | | Appointed | Giovanni Antonio Buccarelli † | Bishop of Nola, Italy |
29.6 | Appointed | Leo von Spaur † | Bishop of Brixen {Bressanone}, Italy | Bishop of Wien, Austria |
13 Aug | | Ordained Bishop | Guillaume Olivieri † | Bishop of Alet, France |
18 Aug | | Appointed | Michael de Viterbo † | Bishop of Castro [del Lazio], Italy |
Sep | 29.6 | Ordained Bishop | Leo von Spaur † | Bishop of Brixen {Bressanone}, Italy | Bishop of Wien, Austria |
6 Sep | | Appointed | Dalmazio Gabrielli (Gabriele, Grazielli), O.P. † | Bishop of Siracusa, Italy |
| Appointed | Francesco Pietro Luca di Gerona, O.P. † | Bishop of Ascoli Satriano (Puglia), Italy | Bishop of Teramo, Italy |
| Appointed | Giovanni de Monteaperto † | Bishop of Mazara del Vallo, Italy |
| Appointed | Antonio Parentucelli † | Bishop of Luni e Sarzana, Italy |
| Appointed | Paolo Visconti, O. Carm. † | Archbishop of Palermo, Italy |
10 Sep | | Ordained Bishop | Thomas Arthur † | Bishop of Limerick, Ireland |
| Ordained Bishop | Thaddeus Morisey † | Bishop of Down and Connor, Ireland |
25 Sep | | Died | Agostino Lanfranchi † | Bishop of Fossombrone, Italy |
29 Sep | | Ordained Bishop | Goswin Haex von Loenhout, O. Carm. † | Titular Bishop of Hierapolis in Phrygia | Auxiliary Bishop of Utrecht, Netherlands |
6 Oct | | Appointed | Antonio Coletti † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Appointed | Pedro Fernández de Solís † | Bishop of Tuy, Spain | Bishop of Cádiz, Spain |
| Appointed | Rodrigo Sánchez de Arévalo † | Bishop of Palencia, Spain |
47.7 | Appointed | Giacopo Antonio Venier † | Cardinal, Bishop of Cuenca, Spain |
| Appointed | Rodrigo de Vergara † | Bishop of León, Spain |
7 Oct | | Died | Pietro Giorgio † | Bishop of Recanati, Italy |
13 Oct | 71.7 | Appointed | Amico Agnifili (de Roccha) † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal, Bishop of L’Aquila, Italy |
| Appointed | Girolamo Santucci † | Bishop of Fossombrone, Italy |
| Appointed | Wincenty Wierzbięta, O.P. † | Auxiliary Bishop of Poznań, Poland |
| Appointed | Wincenty Wierzbięta, O.P. † | Titular Bishop of Aenos | Auxiliary Bishop of Poznań, Poland |
20 Oct | | Appointed | Martino † | Bishop of Venosa, Italy | Bishop Emeritus of Capri, Italy |
| Appointed | Alfonso Palenzuela, O.F.M. † | Bishop of Oviedo, Spain |
74.8 | Appointed | Alfonso de Paradinas † | Bishop of Ciudad Rodrigo, Spain |
21 Oct | | Ordained Bishop | Nicola Barrault (Barbuti), O.P. † | Bishop of Durrës (Durazzo), Albania |
28 Oct | | Ordained Bishop | Radinus † | Bishop of Konavlje, Albania |
21 Nov | | Appointed | Giovanni de Compesio (Compeys) † | Bishop of Torino, Italy | Archbishop of Tarentaise (Moűtiers-en-Tarentaise), France |
23 Nov | | Died | Nicolas de Echevari † | Bishop of Pamplona, Spain |
6 Dec | 70.9 | Died | Juan de Carvajal † | Cardinal, Bishop of Plasencia, Spain |
10 Dec | | Ordained Bishop | Giovanni de Compesio (Compeys) † | Bishop of Torino, Italy | Archbishop of Tarentaise (Moűtiers-en-Tarentaise), France |
18 Dec | | Appointed | Scipione Damiano, O.S.B. † | Bishop of Asti, Italy |
39.9 | Appointed | Jakob Ulvsson (Ulfsson) † | Archbishop of Uppsala, Sweden | Archbishop Emeritus |
29 Dec | | Died | Ulrich Sonnenberger (Hinnenberger) † | Bishop of Gurk, Austria |