Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Benedetto , O.P. † | Bishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| Died | Huan (John) Blackleach (Hesketh), O.S.A. † | Bishop of The Isles (Sodor), Scotland, Great Britain |
| Died | Pietro Bodoni † | Bishop of Terni, Italy |
| Died | Bernardino Bongiovanni † | Bishop of Venosa, Italy |
| Died | Nicolaus de Braciano, O.S.A. † | Auxiliary Bishop of Parma, Italy |
| Died | Enrico Bruno, O.P. † | Archbishop of Taranto, Italy |
| Died | David de Burgo (Burke) † | Bishop of Clonfert, Ireland |
| Born | Melchor Cano, O.P. † | | Bishop Emeritus of Islas Canarias {Canary Islands}, Spain |
| Died | Francesco de Comitibus, O.F.M. † | Bishop of Lixien (Lissanen), Albania |
| Appointed | Geremia Contugi † | Titular Archbishop of Cyrene |
| Resigned | Geremia Contugi † | Bishop of Assisi, Italy | Titular Archbishop of Cyrene |
| Born | Girolamo Dandini † | | Cardinal, Bishop Emeritus of Imola, Italy |
| Died | Pietro Dandolo † | Bishop of Padova {Padua}, Italy |
| Born | Paolo del Carretto † | | Bishop of Cahors, France |
| Died | Diego † | Titular Bishop of Callipolis |
| Died | Alessandro della Marra † | Archbishop of Santa Severina, Italy |
| Died | Giovanni de’ Vecchi de Galionisso † | Bishop of Termoli, Italy |
30.0 | Entered | Zacharias Ferrari, O.S.B. † | Member of Order of Saint Benedict | Bishop of Guardialfiera (Guardia), Italy |
53.0 | Resigned | Niccolň Fieschi † | Administrator of Senez, France | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Died | Filippo Gaio † | Archbishop of Bar (Antivari), Montenegro |
| Appointed | Camillo Leonini † | Bishop of Tivoli, Italy |
| Died | Girolamo Lusco † | Bishop of Strongoli, Italy |
| Born | Leonardo Marini, O.P. † | | Bishop Emeritus of Alba (Pompea), Italy |
| Died | Charles de Martigny † | Bishop of Castres, France |
| Appointed | Pierre de Martigny † | Bishop of Castres, France | Bishop of Bayeux, France |
66.0 | Resigned | Aymon di Montfalcon (Montfaucon), O.S.B. † | Administrator of Genčve {Geneva}, Switzerland | Bishop of Lausanne, Switzerland |
| Born | Cipriano Pallavicino † | | Archbishop of Genova, Italy |
| Died | Laurent Pippi, O.P. † | Bishop of Sagone (Sagona), France |
| Died | Giacomo de Puyasola, O.S.A. † | Bishop of Sorres (Sorra), Italy |
33.0 | Appointed | Christophorus von Raubar (Rauber) † | Coadjutor Bishop of Seckau, Austria | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| Died | Nicolas Rodendorp † | Bishop of Reval (Rewel), Estonia |
| Died | Alessandro Salati † | Bishop of Minori, Italy |
37.0 | Ordained Bishop | Erich von Sachsen-Lauenburg † | Bishop of Münster, Germany |
15.0 | Appointed | Bandinello Sauli † | Bishop of Gerace, Italy | Cardinal, Bishop Emeritus |
| Succeeded | Edward Stewart † | Bishop of Orkney (Kirkwall), Scotland, Great Britain |
| Died | Ferenc Szatmári † | Bishop of Győr (Raab), Hungary |
39.8 | Appointed | Tommaso (Jacopo) de Vio, O.P. † | Master General of Order of Friars Preachers | Cardinal, Bishop of Gaeta, Italy |
| Born | Gregor Virneburg † | | Auxiliary Bishop of Trier, Germany |
| Died | Mario Zamba (Gamba) † | Bishop of Dulcigno (Olcini, Olgun), Montenegro |
9 Jan | | Appointed | Antonio Trivulzio † | Bishop of Asti, Italy | Bishop of Como, Italy |
11 Jan | 21.0 | Appointed | Giovanni Giacomo de Monteferrato † | Coadjutor Bishop of Casale Monferrato, Italy | Bishop Emeritus |
19 Jan | 36.0 | Appointed | James Beaton † | Archbishop of Glasgow, Scotland, Great Britain | Archbishop of Saint Andrews, Scotland, Great Britain |
| Appointed | Paul Huthen † | Auxiliary Bishop of Mainz, Germany |
| Appointed | Paul Huthen † | Titular Bishop of Ascalon | Auxiliary Bishop of Mainz, Germany |
| Appointed | Vasino Malabayla † | Bishop of Piacenza, Italy | Bishop of Asti, Italy |
21 Jan | | Ordained Bishop | Leonhard Pewerl (Peurl) † | Bishop of Lavant, Slovenia | Bishop Emeritus |
22 Jan | | Appointed | Francisco Bobadilla † | Bishop of Ciudad Rodrigo, Spain | Bishop of Salamanca, Spain |
25 Jan | | Born | Giovanni Gerolamo Morone (Moroni) † | | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
29 Jan | | Appointed | David Arnot, O.S.A. † | Bishop of Whithorn-Galloway, Scotland, Great Britain | Bishop Emeritus |
| Appointed | Martin de Iglavia, O. Praem. † | Auxiliary Bishop of Olomouc (Olmütz), Czechia |
| Appointed | Martin de Iglavia, O. Praem. † | Titular Bishop of Nicopolis in Palaestina | Auxiliary Bishop of Olomouc (Olmütz), Czechia |
31 Jan | | Confirmed | Philipp von Daun-Oberstein † | Archbishop of Köln {Cologne}, Germany |
49.0 | Appointed | Erik Kaas † | Bishop of Viborg, Denmark |
4 Feb | 59.0 | Ordained Bishop | Antonio Contarini, C.R.S.A. † | Patriarch of Venezia {Venice}, Italy |
5 Feb | | Died | Michael Hildebrandi † | Archbishop of Riga, Latvia |
15 Feb | 50.4 | Appointed | Lorenzo Pucci † | Coadjutor Bishop of Pistoia, Italy | Cardinal, Cardinal-Bishop of Palestrina |
23 Feb | | Appointed | Bernardino da Bologna † | Bishop of Malta | Archbishop of Messina, Italy |
| Appointed | Jan Konopacki † | Bishop of Chelmno (Culma, Kulm), Poland |
| Appointed | Giorgio Negri † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| Appointed | Thomas Skirvington † | Bishop of Bangor, Wales, Great Britain |
25 Feb | | Appointed | Jaime de Conchillos, O. de M. † | Bishop of Catania, Italy | Bishop of Lérida, Spain |
| Ordained Bishop | Paul Huthen † | Titular Bishop of Ascalon | Auxiliary Bishop of Mainz, Germany |
3 Mar | | Succeeded | Christoph von Schrofenstein † | Bishop of Brixen {Bressanone}, Italy |
69.1 | Died | Melchior von Meckau † | Cardinal, Bishop of Brixen {Bressanone}, Italy |
9 Mar | | Born | Gregorio Antonio Gallo de Andrade † | | Bishop of Segovia, Spain |
14 Mar | 70.2 | Died | Giovanni Antonio Sangiorgio † | Cardinal, Bishop of Parma, Italy |
17 Mar | | Died | Amedeo di Romagnano † | Bishop of Mondovi, Italy |
18 Mar | 40.6 | Ordained Bishop | Uriel von Gemmingen-Michelfeld † | Archbishop of Mainz, Germany |
28 Mar | 41.0 | Appointed | Alessandro Farnese † | Bishop of Parma, Italy | Pope (Roma {Rome}, Italy) |
| Appointed | Robert de Lénoncourt † | Archbishop of Reims, France |
52.5 | Appointed | Bernardino López de Carvajal y Sande † | Cardinal-Bishop of Sabina | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
24.2 | Appointed | Carlo Roero † | Bishop of Mondovi, Italy |
| Appointed | Giovanni Matteo Sartori † | Archbishop of Santa Severina, Italy | Bishop of Volterra, Italy |
Apr | | Died | Edmund Commerford † | Bishop of Ferns, Ireland |
1 Apr | | Appointed | Mikolaj Mściwy z Wierzchowiska, O. Cist. † | Auxiliary Bishop of Gniezno, Poland |
| Appointed | Mikolaj Mściwy z Wierzchowiska, O. Cist. † | Titular Bishop of Athyra | Auxiliary Bishop of Gniezno, Poland |
5 Apr | 54.3 | Appointed | Carlo Domenico del Carretto † | Archbishop of Tours, France | Cardinal, Bishop Emeritus of Cahors, France |
15 Apr | 36.2 | Ordained Bishop | James Beaton † | Archbishop of Glasgow, Scotland, Great Britain | Archbishop of Saint Andrews, Scotland, Great Britain |
16 Apr | | Appointed | Ausiás Carbonell, O.P. † | Auxiliary Bishop of Valencia, Spain |
| Appointed | Ausiás Carbonell, O.P. † | Titular Bishop of Christopolis | Auxiliary Bishop of Valencia, Spain |
20 Apr | 31.3 | Confirmed | Erich von Braunschweig-Grubenhagen † | Bishop of Paderborn, Germany | Bishop-Elect of Osnabrück, Germany |
23 Apr | | Born | Afonso de Portugal † | | Cardinal, Archbishop of Lisboa, Portugal |
27 Apr | | Appointed | Godescalco de La Palata † | Bishop of Ravello, Italy |
| Appointed | Giovanni Evangelista Tornefranza † | Bishop of Catanzaro, Italy |
2 May | 29.3 | Appointed | François Guillaume de Castelnau de Clermont-Ludčve † | Cardinal-Deacon of Santo Stefano al Monte Celio | Cardinal, Cardinal-Bishop of Frascati |
4 May | | Appointed | Gottschalk Hagen † | Bishop of Reval (Rewel), Estonia |
| Appointed | Bertrand de Lustrac, O.S.B. † | Bishop of Lectoure, France |
23 May | | Appointed | Agapito de Gaeta † | Bishop of Ascoli Satriano (Puglia), Italy |
| Appointed | Jasper Linde † | Archbishop of Riga, Latvia |
| Appointed | Pierre † | Titular Bishop of Hebron |
| Appointed | Giuliano Soderini † | Bishop of Volterra, Italy | Bishop of Saintes, France |
55.9 | Resigned | Francesco Soderini † | Bishop of Volterra, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
30 May | | Died | Antoine de Luzech † | Bishop of Cahors, France |
Jun | | Died | Antoine Dufour, O.P. † | Bishop of Marseille, France |
3 Jun | 64.4 | Appointed | Guillaume Briçonnet † | Cardinal-Bishop of Palestrina | Cardinal, Archbishop of Narbonne, France |
64.4 | Appointed | Philippe de Luxembourg † | Cardinal-Bishop of Albano | Cardinal, Bishop Emeritus of Le Mans, France |
48.2 | Appointed | Domenico Grimani † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
11 Jun | 36.4 | Appointed | Sisto Gara della Rovere (Franciotti) † | Cardinal, Bishop of Padova {Padua}, Italy |
| Appointed | Thomas Ruthall † | Bishop of Durham, England, Great Britain |
13 Jun | | Appointed | Germain de Ganay † | Bishop of Cahors, France | Bishop of Orléans, France |
| Appointed | Reinhard Denis de Sylvania † | Titular Bishop of Brefny |
| Appointed | Edward Vaughan † | Bishop of Saint David’s, Wales, Great Britain |
17 Jun | | Ordained Bishop | Thomas Skirvington † | Bishop of Bangor, Wales, Great Britain |
23 Jun | | Resigned | Giosuč de Gaeta † | Bishop of Ascoli Satriano (Puglia), Italy | Bishop Emeritus |
24 Jun | | Ordained Bishop | Thomas Ruthall † | Bishop of Durham, England, Great Britain |
27 Jun | | Appointed | Anton Giacomo Bongiovanni † | Bishop of Camerino, Italy | Bishop Emeritus |
28 Jun | 78.4 | Died | Johann (Jan) Filipec z Prostějov, O.F.M. † | Bishop Emeritus of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
Jul | | Appointed | Francesco della Rovere † | Bishop of Vicenza, Italy | Archbishop Emeritus of Benevento, Italy |
13 Jul | | Appointed | Angelo Antonio Guiliani (Gulionisio) † | Bishop of Termoli, Italy |
22 Jul | | Ordained Bishop | Edward Vaughan † | Bishop of Saint David’s, Wales, Great Britain |
3 Aug | | Appointed | Nicholas Comyn † | Bishop of Ferns, Ireland | Bishop Emeritus of Waterford and Lismore, Ireland |
| Appointed | Angelo Leonini † | Archbishop of Sassari, Italy |
6 Aug | | Ordained Bishop | Ausiás Carbonell, O.P. † | Titular Bishop of Christopolis | Auxiliary Bishop of Valencia, Spain |
20 Aug | | Born | Bernardo de Fresneda, O.F.M. Obs. † | | Archbishop of Zaragoza, Spain |
24 Aug | | Died | Enrique de Aragón † | Bishop of Gallipoli, Italy |
25 Aug | | Born | Ippolito d’Este (II) † | | Cardinal, Bishop Emeritus of Novara, Italy |
4 Sep | | Died | Bartolomeo Trevisani † | Bishop of Belluno, Italy |
7 Sep | | Appointed | Ambrogio † | Bishop of Minori, Italy | Bishop-Elect |
| Appointed | Luigi d’Apera † | Bishop of Terni, Italy |
8 Sep | 64.6 | Appointed | Philippe de Luxembourg † | Bishop of Saint-Pons-de-Thomičres, France | Cardinal, Bishop Emeritus of Le Mans, France |
9 Sep | | Died | François de Luxembourg † | Bishop of Le Mans, France |
64.6 | Appointed | Philippe de Luxembourg † | Bishop of Le Mans, France | Cardinal, Bishop Emeritus |
19 Sep | 29.7 | Resigned | François Guillaume de Castelnau de Clermont-Ludčve † | Bishop of Senez, France | Cardinal, Cardinal-Bishop of Frascati |
| Appointed | Jean-Baptiste de Laigue d’Oraison † | Bishop of Senez, France |
| Appointed | Galeso Nichesola † | Bishop of Belluno, Italy |
27 Sep | | Appointed | Jerome de Montagna † | Archbishop of Bar (Antivari), Montenegro |
7 Oct | 70.7 | Died | Johann von Eindhoven, C.R.S.A. † | Auxiliary Bishop Emeritus of Trier, Germany |
10 Oct | | Appointed | Orlando Carretto della Rovere † | Archbishop of Taranto, Italy | Archbishop of Avignon, France |
26 Oct | 64.8 | Installed | Philippe de Luxembourg † | Bishop of Saint-Pons-de-Thomičres, France | Cardinal, Bishop Emeritus of Le Mans, France |
28 Oct | | Ordained Bishop | Jan Konopacki † | Bishop of Chelmno (Culma, Kulm), Poland |
5 Nov | 33.8 | Appointed | Bonifacio Ferrero † | Bishop of Vercelli, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
35.5 | Appointed | Giovanni Stefano Ferrero † | Administrator of Ivrea, Italy | Cardinal, Bishop of Bologna, Italy |
| Died | Nicolas Ruistre † | Bishop of Arras, France |
| Appointed | Charles de Seyssel † | Bishop of Genčve {Geneva}, Switzerland |
7 Nov | 49.8 | Appointed | Šimun Kožičić Benja † | Bishop of Modruš, Croatia |
| Appointed | Jean † | Titular Bishop of Argos |
| Appointed | Hermann Nigenbroch, O.P. † | Auxiliary Bishop of Verden, Germany |
| Appointed | Hermann Nigenbroch, O.P. † | Titular Bishop of Lydda | Auxiliary Bishop of Verden, Germany |
| Appointed | Denis O’Moore, O.P. † | Bishop of Clonfert, Ireland |
58.8 | Appointed | René de Prie † | Cardinal-Priest of San Vitale | Cardinal, Bishop Emeritus of Limoges, France |
14 Nov | | Ordained Bishop | Philipp von Daun-Oberstein † | Archbishop of Köln {Cologne}, Germany |
18 Nov | 33.8 | Appointed | Francisco Ruiz, O.F.M. † | Bishop of Ciudad Rodrigo, Spain | Bishop of Ávila, Spain |
21 Nov | | Appointed | Gaspare de Murgiis † | Bishop of Strongoli, Italy |
24 Nov | | Died | Carlo di Lussemburgo † | Bishop of Laon, France |
25 Nov | 36.8 | Ordained Bishop | Sisto Gara della Rovere (Franciotti) † | Cardinal, Bishop of Padova {Padua}, Italy |
Dec | 80.9 | Died | Matteo Baldeschi (degli Ubaldi) † | Bishop of Perugia, Italy |
5 Dec | | Appointed | Corrado Caracciolo † | Bishop of Ostuni, Italy |
16 Dec | | Appointed | Zaccaria Contugi † | Bishop of Assisi, Italy |
19 Dec | 27.9 | Appointed | Agostino Spínola † | Bishop of Perugia, Italy | Cardinal, Administrator of Savona, Italy |
31 Dec | 66.9 | Died | Wilhelm Westfal † | Bishop of Lübeck, Germany |