| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Resigned | Giovanni D’Amato † | Bishop of Minori, Italy | Bishop Emeritus |
| Born | Marius Antonini † | | Auxiliary Bishop of Albano, Italy |
| Died | Giovanni Antonio Astorch (Astorco) † | Bishop of Lettere (-Gragnano), Italy |
| Born | Marinus Bizzius (Bici) † | Arbien | Archbishop Emeritus of Bar (Antivari), Montenegro |
| 43.3 | Resigned | Charles Bourbon de Vendôme † | Administrator of Carcassonne, France | Cardinal, Archbishop of Rouen, France |
| Born | Bonifazio Caetani † | Rome | Cardinal, Archbishop of Taranto, Italy |
| Resigned | Ippolito Capilupo † | Bishop of Fano, Italy | Bishop Emeritus |
| Born | Pedro Carranza Salinas, O. Carm. † | Sevilla, Spain | Bishop of Buenos Aires, Argentina |
| 56.6 | Resigned | Giovanni Battista Cicala (Cicada) † | Administrator of Sagone (Sagona), France | Cardinal, Cardinal-Bishop of Sabina |
| Born | Diego Correia Valente, S.J. † | Lisbon, Portugal | Bishop of Funay (Funai), Japan |
| Born | Juan de Valle y Arredondo, O.S.B. † | San Miguel de Arroyo, Spain | Bishop Emeritus of Guadalajara, Jalisco, México |
| 57.4 | Resigned | Ippolito d’Este (II) † | Administrator of Arles, France | Cardinal, Bishop Emeritus of Novara, Italy |
| Born | Matthaeus Erasmos, O.P. † | | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 88.7 | Died | Galeazzo Florimonte † | Bishop Emeritus of Sessa Aurunca, Italy |
| Born | Ottaviano Garzadori † | | Archbishop Emeritus of Zadar (Zara), Croatia |
| Born | Baccio Gherardini † | Florence | Bishop of Fiesole, Italy |
| Born | Fernando Guerrero, O.S.A. † | Alcaraz, Spain | Archbishop of Manila, Philippines |
| Born | Gaspar Hap † | Posniae | Titular Bishop of Aenus |
| Born | Lorenzo Landi † | Veliternen | Bishop of Fossombrone, Italy |
| Resigned | Gaspar de Leăo Pereira † | Archbishop of Goa, India |
| Appointed | Giovanni Battista Lomellino † | Bishop of Isernia, Italy |
| Born | Francisco López de Mendoza † | Segovia | Bishop of Perpignan-Elne, France |
| Died | Ebed-Jesu Maron † | Patriarch of Babylon {Babilonia} (Chaldean), Iraq |
| 18.0 | Professed | Fernando Mendoza González † | Member of Society of Jesus | Bishop of Cuzco, Peru |
| Appointed | Francisco Mejía de Molina, O.P. † | Auxiliary Bishop of Sigüenza, Spain |
| Resigned | Antonio Numai † | Bishop of Isernia, Italy | Bishop Emeritus |
| Ordained Bishop | Burchard Oberg † | Bishop of Hildesheim, Germany |
| Born | Ambrogio Palumbo, O.P. † | | Bishop of Vieste, Italy |
| Born | Marco Pasqualigo † | Candia | Bishop of Cefalonia e Zante, Greece |
| Born | Marcello Pignatelli, C.R. † | Roma | Bishop of Jesi, Italy |
| Appointed | Mikhail Rizzi el-Bkoufani † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 16.1 | Appointed | Heinrich von Sachsen-Lauenburg † | Archbishop of Bremen (and Hamberg), Germany | Archbishop-Elect |
| Born | Francesco Sacrati † | Ferrara | Cardinal, Bishop of Cesena, Italy |
| Died | Benedetto Salino † | Bishop of Veroli, Italy |
| Died | Alfonso de Sásamo, O.S.B. † | Bishop Emeritus of Capri, Italy |
| Born | Desiderio Scaglia, O.P. † | Cremona | Cardinal, Bishop Emeritus of Como, Italy |
| 27.3 | Ordained Priest | Cesare Speciano (Speciani) † | Priest of Milano {Milan}, Italy | Bishop of Cremona, Italy |
| Born | Tegrimus Tegrimi † | Lucan | Bishop of Assisi, Italy |
| Born | François van der Burch † | Gand | Archbishop of Cambrai, France |
| 36.0 | Appointed | Vitellozzo Vitelli † | Administrator of Carcassonne, France | Cardinal, Bishop Emeritus of Cittŕ di Castello, Italy |
| Died | Mikołaj Wolski † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| Born | Johannes Wyszemierski † | | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 8 Jan | | Appointed | Juan Ayora † | Bishop of Oviedo, Spain |
| 9 Jan | 21.2 | Selected | Hermann von Schaumberg † | Bishop of Minden, Germany | Former Bishop-Elect |
| 12 Jan | 45.1 | Ordained Bishop | Felice Peretti Montalto, O.F.M. Conv. † | Bishop of Sant’Agata de’ Goti, Italy | Pope (Roma {Rome}, Italy) |
| 13 Jan | | Appointed | Gonzalo de Solórzano † | Bishop of Mondońedo, Spain | Bishop of Oviedo, Spain |
| Appointed | Henrique de Távora e Brito, O.P. † | Bishop of Cochin, India | Archbishop of Goa, India |
| Appointed | Jorge Temudo, O.P. † | Archbishop of Goa, India |
| Appointed | Fernando Vellosillo Barrio † | Bishop of Lugo, Spain |
| 21 Jan | | Died | Veit von Fraunberg † | Bishop of Regensburg, Germany |
| 24 Jan | | Appointed | Matteo Guerra † | Bishop of Fondi (Fundi), Italy | Bishop of San Marco (Argentano), Italy |
| Appointed | Girolamo Leoni † | Bishop of Sagone (Sagona), France | Archbishop of Chieti, Italy |
| Appointed | Maurice MacBrien † | Bishop of Emly, Ireland |
| 31 Jan | | Appointed | Angelo Rossi † | Bishop of Alife, Italy |
| Appointed | Francesco Rusticucci † | Bishop of Fano, Italy |
| 6 Feb | 31.1 | Selected | David Kölderer von Burgstall † | Bishop of Regensburg, Germany |
| 7 Feb | | Appointed | Gregorio Boldrini, O.P. † | Bishop of Mantova, Italy |
| 9 Feb | 47.1 | Ordained Bishop | Antonio de San Miguel Avendańo y Paz, O.F.M. † | Bishop of Concepción, Chile | Bishop of Quito, Ecuador |
| 10 Feb | 59.1 | Died | Johann von Leyen † | Archbishop-Elect of Trier, Germany |
| 17 Feb | | Appointed | Paolo Oberti, O.P. † | Bishop of Venosa, Italy |
| 21 Feb | 36.1 | Appointed | Eberhard von Holle † | Apostolic Administrator of Verden, Germany | Former Bishop-Elect of Lübeck, Germany |
| 26 Feb | | Died | Moritz von Sandizell † | Bishop Emeritus of Freising, Germany |
| 3 Mar | 32.2 | Appointed | Ińigo Avalos de Aragón, O.S. † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 49.3 | Appointed | Fulvio Giulio della Corgna, O.S.Io.Hieros. † | Cardinal-Priest of Sant’Adriano al Foro | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Appointed | Claude-André d’Ormy † | Bishop of Boulogne (-Sur-Mer), France |
| Appointed | Francisco Tello Sandoval † | Bishop of Osma, Spain | Bishop of Plasencia, Spain |
| 4 Mar | 85.2 | Died | Musa al-Akkari † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 6 Mar | | Appointed | Gianfrancesco Sormani † | Bishop of Montefeltro, Italy |
| 17 Mar | | Appointed | Anton Resch, O.P. † | Auxiliary Bishop of Würzburg, Germany |
| Appointed | Anton Resch, O.P. † | Titular Bishop of Salona | Auxiliary Bishop of Würzburg, Germany |
| 18 Mar | | Died | Felice Rossi † | Bishop of Tropea, Italy |
| 6 Apr | | Ordained Bishop | Giovan Battista Serbelloni † | Bishop of Cassano all’Jonio, Italy | Bishop Emeritus |
| 7 Apr | 57.3 | Selected | Jakob von Eltz † | Archbishop of Trier, Germany |
| 9 Apr | 80.3 | Died | Matteo Griffoni (Grifonio) Pioppi † | Bishop of Trivento, Italy |
| Died | Matteo Grifoni, O.S.B. † | Bishop of Trivento, Italy |
| 13 Apr | | Died | Teofilo Galluppi † | Bishop of Oppido Mamertina, Italy |
| 18 Apr | 50.2 | Resigned | Luigi Cornaro † | Administrator of Trogir (Traů), Croatia | Cardinal, Archbishop Emeritus of Zadar (Zara), Croatia |
| Appointed | Ascanio Marchesini † | Titular Bishop of Maioren | Bishop of Calvi Risorta, Italy |
| Appointed | Tommaso Sperandio Corbelli † | Bishop of Trogir (Traů), Croatia | Bishop of Bagnoregio (Bagnorea), Italy |
| 28 Apr | | Appointed | Matteo Barbabianca † | Bishop of Pula (Pola), Croatia |
| 84.3 | Appointed | Fernando de Loaces (Loazes), O.P. † | Archbishop of Valencia, Spain |
| 1 May | | Ordained Bishop | Giuliano de’ Medici † | Bishop of Béziers, France | Archbishop Emeritus of Aix, France |
| 6 May | | Resigned | Rodrigo de Bastidas y Rodriguez de Romera † | Bishop of Puerto Rico (Porto Rico) | Bishop Emeritus |
| 11 May | | Ordained Bishop | Tommaso Sperandio Corbelli † | Bishop of Trogir (Traů), Croatia | Bishop of Bagnoregio (Bagnorea), Italy |
| 15 May | | Died | Nicola Maria Caracciolo † | Bishop of Catania, Italy |
| 19 May | | Ordained Bishop | Ascanio Marchesini † | Titular Bishop of Maioren | Bishop of Calvi Risorta, Italy |
| 21 May | | Born | Cosimo della Gherardesca † | Florence | Bishop of Fiesole, Italy |
| 23 May | | Appointed | Carlo Carafa † | Bishop of Guardialfiera (Guardia), Italy | Bishop of Boiano, Italy |
| Jun | | Ordained Bishop | Juan del Castillo † | Bishop of Santiago de Cuba | Bishop Emeritus of Santiago de Cuba |
| 1 Jun | | Ordained Bishop | Carlo Carafa † | Bishop of Guardialfiera (Guardia), Italy | Bishop of Boiano, Italy |
| 4 Jun | 54.4 | Resigned | Philibert Babou de La Bourdaisičre † | Bishop of Angoulęme, France | Cardinal, Bishop Emeritus |
| Appointed | Charles de Bony † | Bishop of Angoulęme, France |
| Appointed | Giovanni Pietro Fortiguerra † | Auxiliary Bishop of Monreale, Italy | Bishop of Bitonto, Italy |
| Appointed | Giovanni Pietro Fortiguerra † | Titular Bishop of Cyrene | Bishop of Bitonto, Italy |
| Appointed | Maurice MacGibbon, O. Cist. † | Archbishop of Cashel, Ireland |
| 15 Jun | | Ordained Bishop | Maurice MacGibbon, O. Cist. † | Archbishop of Cashel, Ireland |
| Jul | | Born | Pedro Apaolaza Ramírez, O.S.B. † | Moyuela | Archbishop of Zaragoza, Spain |
| 1 Jul | | Born | Charles de Lorraine-Vaudémont (III) † | Nancy | Cardinal, Administrator of Strasbourg, France |
| 12 Jul | | Died | Scipione d’Este † | Bishop of Casale Monferrato, Italy |
| 20 Jul | | Died | Giovanni Battista Torleoni † | Bishop of Cagli, Italy |
| 22 Jul | 32.1 | Ordained Priest | Alessandro Ottaviano de’ Medici † | Priest | Pope (Roma {Rome}, Italy) |
| 25 Jul | 38.3 | Confirmed | Johann von Hoya zu Stolzenau † | Bishop of Münster, Germany |
| 26 Jul | 84.6 | Installed | Fernando de Loaces (Loazes), O.P. † | Archbishop of Valencia, Spain |
| 8 Aug | | Appointed | Giovanni Agostino Campanile † | Bishop of Minori, Italy |
| 59.6 | Appointed | Francisco Pacheco de Villena (Toledo) † | Bishop of Burgos, Spain | Cardinal, Archbishop of Burgos, Spain |
| 15 Aug | 62.6 | Died | Angelo Nicolini † | Cardinal, Archbishop of Pisa, Italy |
| 21 Aug | | Born | St. François de Sales † | Thorens | Bishop of Genčve {Geneva}, Switzerland |
| 22 Aug | 57.6 | Confirmed | Jakob von Eltz † | Archbishop of Trier, Germany |
| Appointed | Marco Landi † | Bishop of Ascoli Satriano, Italy |
| Appointed | Wiktoryn Wierzbicki † | Bishop of Lutsk (Łuck), Ukraine |
| 31 Aug | | Ordained Bishop | Giovanni Agostino Campanile † | Bishop of Minori, Italy |
| Sep | | Died | François de Saint-Nectaire Senneterre, O.S.B. † | Bishop of Sarlat, France |
| 3 Sep | | Appointed | Ambrogio Aldegati, O.P. † | Bishop of Casale Monferrato, Italy |
| 68.8 | Appointed | Giovanni Ricci † | Cardinal, Archbishop of Pisa, Italy |
| 13 Sep | | Died | Paolo Oberti, O.P. † | Bishop of Venosa, Italy |
| 14 Sep | | Ordained Bishop | Marco Landi † | Bishop of Ascoli Satriano, Italy |
| 19 Sep | | Appointed | Giovan Mario de Alessandris † | Bishop of Oppido Mamertina, Italy | Bishop of Mileto, Italy |
| Appointed | Alexandre de Bardi † | Bishop of Saint-Papoul, France |
| Appointed | Bartolomeo Ferro, O.P. † | Bishop of Lettere (-Gragnano), Italy | Bishop of Terni, Italy |
| 26 Sep | 67.7 | Resigned | Manuel de Almada † | Bishop of Angra, Portugal | Bishop Emeritus |
| 28 Sep | | Ordained Bishop | Alexandre de Bardi † | Bishop of Saint-Papoul, France |
| 30 Sep | | Died | Agostino Maria Salvago, O.P. † | Archbishop of Genova, Italy |
| Oct | | Resigned | Juan González Munébraga † | Bishop of Tarazona, Spain | Bishop Emeritus |
| 1 Oct | | Appointed | Bartolomé Sebastián de Aroitia † | Archbishop of Tarragona, Spain |
| 47.8 | Appointed | Stanisław Karnkowski † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Archbishop of Gniezno, Poland |
| 4 Oct | 38.5 | Ordained Priest | Johann von Hoya zu Stolzenau † | Priest of Münster, Germany | Bishop |
| 5 Oct | 38.5 | Ordained Bishop | Johann von Hoya zu Stolzenau † | Bishop of Münster, Germany |
| 8 Oct | | Appointed | Paolo Maria della Rovere † | Bishop of Cagli, Italy |
| 12 Oct | | Ordained Bishop | Gonzalo de Solórzano † | Bishop of Mondońedo, Spain | Bishop of Oviedo, Spain |
| 16 Oct | 76.8 | Died | Pieter de Corte † | Bishop of Brugge {Bruges}, Belgium |
| 18 Oct | | Born | Jakob Fugger † | Augsburg | Bishop of Konstanz {Constance}, Germany |
| 23 Oct | | Succeeded | Piotr Myszkowski † | Bishop of Płock, Poland | Bishop of Kraków, Poland |
| 80.8 | Died | Andrzej Noskowski † | Bishop of Płock, Poland |
| 26 Oct | 59.8 | Ordained Bishop | Francisco Pacheco de Villena (Toledo) † | Bishop of Burgos, Spain | Cardinal, Archbishop of Burgos, Spain |
| 29 Oct | | Died | Tomás Casillas, O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| Nov | | Died | Gonçalo Pinheiro † | Bishop of Viseu, Portugal |
| 14 Nov | 55.4 | Resigned | Cristoforo Madruzzo † | Bishop of Trento, Italy | Cardinal, Bishop of Brixen {Bressanone}, Italy |
| 35.9 | Succeeded | Ludovico Madruzzo † | Cardinal, Bishop of Trento, Italy |
| Appointed | Cipriano Pallavicino † | Archbishop of Genova, Italy |
| Appointed | Georgius Pietkiwicz † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 20 Nov | 74.9 | Died | Pedro La Gasca † | Bishop of Sigüenza, Spain |
| 21 Nov | | Appointed | Pierre de Lambert † | Bishop of Saint-Jean-de-Maurienne, France |
| 25 Nov | | Resigned | Friedrich zu Wied † | Archbishop-Elect of Köln {Cologne}, Germany | Former Archbishop-Elect |
| 28 Nov | | Appointed | Ortensio Battisti † | Bishop of Veroli, Italy |
| 5 Dec | | Appointed | Andrea Minucci † | Archbishop of Zadar (Zara), Croatia |
| 8 Dec | | Ordained Bishop | Ortensio Battisti † | Bishop of Veroli, Italy |
| 11 Dec | | Born | Philipp Christoph von Sötern † | Zweibrücken | Archbishop of Trier, Germany |
| 12 Dec | | Appointed | Giovanni Antonio Locatelli † | Bishop of Venosa, Italy |
| 15 Dec | | Died | Lupe Martínez Lagunilla † | Bishop of Elne, France |
| 23 Dec | 36.0 | Selected | Salentin von Isenburg † | Archbishop of Köln {Cologne}, Germany | Former Archbishop-Elect |