Date | Age | Event | Bishop | Title | Current Title |
unknown | 66.0 | Died | Diego Aduarte, O.P. † | Bishop of Nueva Segovia, Philippines |
| Born | Giovan Donato Giannoni Alitto † | | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Born | Leonardo Balsarini † | | Bishop Emeritus of Chios (Scio), Greece |
17.0 | Professed | Pier Maria Bichi, O.S.B. † | Member of Order of Saint Benedict | Bishop of Sovana (Soana), Italy |
| Born | Francesco Maria Caffori (Cafferi) † | | Bishop of Castro di Puglia, Italy |
| Born | José Cosío Barreda † | | Bishop of Salamanca, Spain |
| Born | Giambattista Costaguti † | | Cardinal, Cardinal-Priest of Sant’Anastasia |
| Born | Dominique d’Esclaux de Mesplez (Messelez) † | | Bishop of Lescar, France |
| Died | Georges Dubovsky † | Bishop of Csanád, Hungary |
56.8 | Selected | Nicolas Dufiff † | Bishop of Arras, France | Bishop-Elect |
19.8 | Converted | Friedrich von Hessen-Darmstadt, O.S.Io.Hieros. † | Cardinal, Bishop of Wrocław (Breslau), Poland |
50.0 | Died | Luis Jiménez, O. de M. † | Bishop of Ugento, Italy |
| Born | Stephanus Kadà † | | Vicar Apostolic of Transilvania, Erdély, Siebenbürgen, Romania |
| Born | Charles-Antoine de la Garde de Chambonas † | | Bishop of Viviers (Aps), France |
| Born | Jurij Malejevskyj † | | Bishop of Smoleńsk (Ukrainian), Poland |
66.0 | Died | Giulio Masi † | Bishop of Monopoli, Italy |
63.0 | Died | Gerolamo Mezzamico † | Bishop of Trevico, Italy |
25.0 | Ordained Priest | Mikołaj Oborski † | Priest | Auxiliary Bishop of Kraków, Poland |
| Born | Ascanio Paganelli † | | Bishop of Montalto (delle Marche), Italy |
| Died | Theodorus Pelleoni, O.F.M. Conv. † | Bishop of Montepeloso, Italy |
55.0 | Died | Bernardino Piccoli † | Bishop of Strongoli, Italy |
| Born | Nicolaus Plumbensis, O.F.M. † | | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| Born | Jean-Armand de Rotondy de Biscarras † | | Bishop of Béziers, France |
25.0 | Ordained Priest | Hieronim Wladysław Lubartowicz de Kowel Sanguszko, S.J. † | Priest of Society of Jesus | Bishop of Smoleńsk, Poland |
| Appointed | Simon-Joseph † | Bishop of Gazireh (Gezira) (Chaldean), Turkey |
| Ordained Bishop | Simon-Joseph † | Bishop of Gazireh (Gezira) (Chaldean), Turkey |
64.0 | Died | Girolamo Tantucci † | Bishop of Grosseto, Italy |
56.0 | Ordained Bishop | Mauro de Villarroel, O.S.B. † | Bishop of Jaca, Spain |
59.0 | Ordained Bishop | Diego de Zambrana de Villalobos y Cordero † | Bishop of Concepción, Chile |
1 Jan | | Born | Stefano David † | | Bishop of Krk (Veglia), Croatia |
7 Jan | 58.0 | Appointed | Juan García Arlés † | Bishop of Orihuela, Spain |
28 Jan | 64.9 | Appointed | Philippe Cospéan † | Bishop of Lisieux, France |
34.0 | Confirmed | Gaspard de Daillon du Lude † | Bishop of Albi, France |
67.0 | Confirmed | Noël des Landes, O.P. † | Bishop of Tréguier, France |
71.0 | Appointed | Juan Dionisio Fernández Portocarrero † | Bishop of Guadix, Spain | Bishop of Cádiz, Spain |
46.0 | Appointed | Jacques Le Noël du Perron † | Bishop of Angoulême, France | Bishop of Évreux, France |
1 Feb | 40.1 | Selected | Johann Flugi d’Apremont † | Bishop of Chur, Switzerland |
3 Feb | 50.7 | Ordained Bishop | Diego Arce Reinoso † | Bishop of Tuy, Spain | Bishop Emeritus of Plasencia, Spain |
8 Feb | 46.1 | Died | Arcasio Ricci † | Bishop of Gravina (di Puglia), Italy |
10 Feb | 59.1 | Died | Charles Bobba de Montferrat † | Bishop of Saint-Jean-de-Maurienne, France |
12 Feb | 48.1 | Died | Henri Boivin de Péricard † | Coadjutor Bishop of Avranches, France |
16 Feb | | Born | Gottfried Kapaun von Swoykow † | | Bishop of Hradec Králové, Czechia |
18 Feb | | Appointed | Gabriel de Beauvau de Rivarennes † | Bishop of Nantes, France | Bishop Emeritus |
| Appointed | Leonel de Cervantes y Caravajal † | Bishop of Antequera, Oaxaca, México |
45.1 | Appointed | Camillo Melzi † | Cardinal, Archbishop of Capua, Italy |
52.1 | Appointed | Juan Bautista Pellicer † | Bishop of Segorbe, Spain |
57.5 | Appointed | Gaspar Prieto Orduña, O. de M. † | Bishop of Perpignan-Elne, France |
25 Feb | | Ordained Bishop | Gabriel Ortiz Sotomayor † | Bishop of Badajoz, Spain |
| Ordained Priest | Aleksander Trzebiński † | Priest | Bishop of Przemyśl, Poland |
27 Feb | 41.1 | Died | Pierre Habert de Montmort † | Bishop of Cahors, France |
29 Feb | | Died | Tommaso Brandolini, O.P. † | Bishop of Minori, Italy |
Mar | | Born | Bartolomeo Gradenigo † | | Bishop of Brescia, Italy |
1 Mar | 31.1 | Selected | Barthélemi d’Elbène † | Bishop of Agen, France |
| Born | Giacinto Camillo Maradei † | | Bishop of Policastro, Italy |
2 Mar | | Died | Louis de Claret † | Bishop of Saint-Papoul, France |
3 Mar | | Appointed | Pietro Bellino † | Bishop of Saluzzo, Italy |
| Appointed | Pietro Gaudenzi † | Bishop of Arbe (Rab), Croatia |
| Appointed | Girolamo Lucich, O.F.M. † | Bishop of Drivasto (Drivost), Albania |
37.6 | Appointed | Scipione Pannocchieschi d’Elci † | Archbishop of Pisa, Italy | Cardinal, Archbishop Emeritus |
6 Mar | 65.2 | Died | Antonio Arrigoni, O.F.M. Obs. † | Bishop of Ripatransone, Italy |
9 Mar | 52.6 | Ordained Bishop | Francisco dos Martyres, O.F.M. † | Archbishop of Goa, India |
23 Mar | 54.2 | Ordained Bishop | Diego Serrano Sotomayor, O. de M. † | Bishop of Solsona, Spain | Bishop of Guadix, Spain |
24 Mar | | Ordained Bishop | Pietro Gaudenzi † | Bishop of Arbe (Rab), Croatia |
45.2 | Ordained Bishop | Camillo Melzi † | Cardinal, Archbishop of Capua, Italy |
25 Mar | 70.2 | Died | Claude du Vergier † | Bishop of Lavaur, France |
30 Mar | | Ordained Bishop | Pietro Bellino † | Bishop of Saluzzo, Italy |
30.2 | Ordained Bishop | Francesco Bianchi † | Bishop of Sapë, Albania |
53.2 | Selected | Bernard Despruets † | Bishop of Saint-Papoul, France |
7 Apr | 30.2 | Appointed | Pierre de Bertier † | Coadjutor Bishop of Montauban, France | Bishop |
30.2 | Appointed | Pierre de Bertier † | Titular Bishop of Utica | Bishop of Montauban, France |
| Appointed | Giovanni Battista Colonna † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
33.2 | Appointed | François Mallier du Houssay † | Coadjutor Bishop of Troyes, France | Bishop |
33.2 | Appointed | François Mallier du Houssay † | Titular Bishop of Augustopolis in Phrygia | Bishop of Troyes, France |
61.2 | Appointed | Orazio Muscettola † | Bishop of Trevico, Italy |
| Appointed | Maurizio Ragano † | Bishop of Fondi (Fundi), Italy |
9 Apr | 52.2 | Died | John Roche † | Bishop of Ferns, Ireland |
13 Apr | 61.2 | Ordained Bishop | Orazio Muscettola † | Bishop of Trevico, Italy |
| Ordained Bishop | Maurizio Ragano † | Bishop of Fondi (Fundi), Italy |
14 Apr | | Born | Ambrosio Angelini † | | Bishop Emeritus of Acquapendente, Italy |
62.2 | Died | Tiberio Muti † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
17 Apr | | Born | Pedro Pacheco, O.P. † | | Bishop of Cochin, India |
19 Apr | | Born | Juan Bonilla, O. Carm. † | | Bishop of Ariano, Italy |
27 Apr | | Ordained Bishop | Gabriel de Beauvau de Rivarennes † | Bishop of Nantes, France | Bishop Emeritus |
| Ordained Bishop | Giovanni Battista Colonna † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
1 May | 56.3 | Resigned | Diego Castejón Fonseca † | Bishop of Lugo, Spain | Bishop of Tarazona, Spain |
3 May | 36.3 | Died | Scipion de Villeneuve-Thorenc † | Bishop of Grasse, France |
6 May | | Born | Carlo Filippo Sfondrati, B. † | | Bishop of Volterra, Italy |
14 May | 44.3 | Appointed | Alessandro Cesarini (Jr.) † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Bishop Emeritus |
| Confirmed | Dinis de Melo e Castro † | Bishop of Viseu, Portugal | Bishop of Guarda, Portugal |
35.3 | Appointed | Miguel de Portugal † | Bishop of Lamego, Portugal |
17 May | 24.1 | Ordained Priest | José Bergés † | Priest | Bishop of Orihuela, Spain |
19 May | | Died | Pedro Cifuentes Loarte † | Bishop of Ávila, Spain |
20 May | | Born | Pier Matteo Petrucci, C.O. † | | Cardinal, Bishop Emeritus of Jesi, Italy |
24 May | 47.3 | Selected | Jan Lipski † | Bishop of Chelmno (Culma, Kulm), Poland | Archbishop of Gniezno, Poland |
25 May | 44.3 | Ordained Bishop | Alessandro Cesarini (Jr.) † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Bishop Emeritus |
58.3 | Ordained Bishop | Juan García Arlés † | Bishop of Orihuela, Spain |
9 Jun | 42.4 | Appointed | Pedro Barbosa de Eça † | Bishop of Leiria, Portugal |
| Appointed | Francisco Barreto † | Bishop of Faro {Algarve}, Portugal |
| Appointed | Martín Carrillo Alderete † | Bishop of Osma, Spain | Archbishop of Granada, Spain |
31.4 | Confirmed | Barthélemi d’Elbène † | Bishop of Agen, France |
49.4 | Confirmed | Sebastião de Matos de Noronha † | Archbishop of Braga, Portugal |
59.4 | Appointed | Jorge de Melo † | Bishop of Coimbra, Portugal |
| Confirmed | Gaspar do Rego da Fonseca † | Bishop of Porto, Portugal |
38.4 | Appointed | Antonio Santacroce † | Archbishop of Urbino, Italy | Cardinal, Archbishop Emeritus |
54.4 | Appointed | Juan Vélez de Valdivielso † | Bishop of Lugo, Spain | Bishop of Cartagena (en España) |
12 Jun | | Born | Francesco Nerli (Jr.) † | | Cardinal, Bishop Emeritus of Assisi, Italy |
17 Jun | 45.4 | Selected | Charles-François Abra de Raconis † | Bishop of Lavaur, France |
21 Jun | 30.7 | Selected | Antoine Godeau † | Bishop of Grasse, France | Bishop of Vence, France |
23 Jun | 56.4 | Appointed | Francisco Garcia Mendes, S.J. † | Coadjutor Archbishop of Cranganore (Angamala), India | Archbishop |
56.4 | Appointed | Francisco Garcia Mendes, S.J. † | Titular Bishop of Ascalon | Archbishop of Cranganore (Angamala), India |
58.4 | Appointed | Antonio Valdés Herrera † | Bishop of Oviedo, Spain | Bishop of Córdoba, Spain |
27 Jun | | Born | Giovanni Dominico Tomati † | | Titular Bishop of Cyrene |
29 Jun | | Ordained Priest | Marcello Stella † | Priest | Bishop of Isernia, Italy |