Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Sebastián de Arévalo y Torres, O.F.M. † | | Bishop of Osma, Spain |
| Born | Juan Asensio Barrios, O. de M. † | | Bishop of Jaén, Spain |
| Born | Camillo Astalli-Pamphilj † | | Cardinal, Bishop of Catania, Italy |
| Born | Giuseppe de Auxilio † | | Bishop of Caserta, Italy |
| Born | Józef Mokosiej Bakowiecki, O.S.B.M. † | | Bishop of Volodymyr (Włodzimierz) et Brėst (Ukrainian) |
| Born | Pier Maria Bichi, O.S.B. † | | Bishop of Sovana (Soana), Italy |
| Born | Andrea Bonito, C.O. † | | Bishop of Capaccio, Italy |
| Born | Domenico Bubić † | | Bishop of Shkodrë (Scutari), Albania |
| Born | Bernard Coignet de Marmiesse † | | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| Born | Nicolaus Carpenia † | | Archbishop of Durrës (Durazzo), Albania |
| Born | Antonio del Buffalo, O.F.M. † | | Bishop of Gallipoli, Italy |
| Died | Bernardo del Nero, O.P. † | Bishop Emeritus of Bisignano, Italy |
| Born | Giuseppe Eusanio, O.S.A. † | | Titular Bishop of Porphyreon |
| Born | Marco Galli (Gallo, Gallio) † | | Cardinal, Bishop of Rimini, Italy |
| Died | Filippo Gesualdo, O.F.M. Conv. † | Bishop of Cariati e Cerenzia, Italy |
| Born | Jakub Gorecki, O.P. † | | Bishop of Bacău, Romania |
| Ordained Bishop | Adam Górski, O.F.M. Conv. † | Bishop of Bacău, Romania |
| Died | Arcangelo Gualtieri, O.F.M. † | Archbishop of Monreale, Italy |
| Born | Vincenzo Giovannelli, O.F.M. Obs. † | | Bishop of Pult (Pulati), Albania |
| Ordained Bishop | Guy Hurault de l’Hospital † | Titular Archbishop of Augustopolis in Phrygia | Archbishop of Aix, France |
46.0 | Resigned | Drause Hennequin † | Coadjutor Bishop of Soissons, France | Coadjutor Bishop Emeritus |
| Born | Judocus Houbraken † | | Vicar Apostolic of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| Appointed | Valentin Lépes † | Archbishop of Kalocsa, Hungary |
| Selected | Bálint Lépes † | Bishop of Győr (Raab), Hungary | Bishop-Elect |
| Born | Dominique de Ligni † | | Bishop of Meaux, France |
| Died | Fabio Maranta † | Bishop of Calvi Risorta, Italy |
| Appointed | Atanazy Pakosta † | Bishop of Chełm (Ukrainian), Poland |
| Born | François de Péricard † | | Bishop of Angoulęme, France |
| Born | James O’Phelan † | | Bishop of Ossory, Ireland |
| Born | Maurizio Piccardi † | | Bishop of Sora, Italy |
72.0 | Died | Thomas Pobel † | Bishop Emeritus of Saint-Paul-Trois-Châteaux, France |
| Died | Giovanni Francesco Pozzo † | Bishop of Chiron, Greece |
| Selected | János Pyber de Gyerkény † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | Bishop of Eger, Hungary |
28.0 | Ordained Priest | Wolfgang Ralinger † | Priest of Speyer, Germany | Auxiliary Bishop |
| Died | Archangelus de Rossi, C.R.L. † | Bishop of Carinola (Calina), Italy |
17.4 | Professed | Otto (Johann Theodor) von Senheim, O.P. † | Member of Order of Friars Preachers | Auxiliary Bishop of Trier, Germany |
| Born | Carlo Sgombrino † | | Bishop of Catanzaro, Italy |
| Died | Innico Siscara † | Bishop of Anglona-Tursi, Italy |
| Born | Michelangelo Vaginari, O.F.M. Obs. † | | Bishop of Giovinazzo, Italy |
39.0 | Died | Lelio Veterano † | Bishop of Fondi (Fundi), Italy |
| Died | Pedro de Villarreal † | Bishop of Nicaragua |
44.0 | Selected | Jan Wężyk † | Bishop of Przemyśl, Poland | Archbishop of Gniezno, Poland |
| Born | Stanisław Wojeński † | | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
7 Jan | 36.0 | Appointed | Modernus (Fabrizio) Caracciolo Piscizi † | Bishop of Catanzaro, Italy | Bishop of Oppido Mamertina, Italy |
50.0 | Appointed | Giovanni Girardi, O.F.M. † | Bishop of Syros (e Milos), Greece |
12 Jan | | Born | Marco Antonio Pisanelli † | | Bishop of Sora, Italy |
14 Jan | 41.0 | Appointed | Paul Boudot † | Bishop of Saint-Omer, France | Bishop of Arras, France |
17 Jan | 42.0 | Appointed | Bogusław Radoszewski † | Bishop of Kyiv (Kijów), Ukraine | Bishop of Lutsk (Łuck), Ukraine |
21 Jan | | Appointed | Léonard Goetz † | Bishop of Lavant, Slovenia |
26 Jan | | Born | Pier Antonio Capobianco † | | Bishop Emeritus of Lacedonia, Italy |
50.0 | Resigned | Lucio de Morra † | Apostolic Nuncio to Flanders, Belgium | Archbishop of Otranto, Italy |
28 Jan | 31.0 | Appointed | Arthur d’Épinay de Saint Luc † | Bishop of Marseille, France |
| Appointed | Giovanni Agostino Gandolfo † | Bishop of Fondi (Fundi), Italy | Bishop of Sant’Agata de’ Goti, Italy |
34.0 | Appointed | Alessandro (Fabrizio) Suardi † | Bishop of Lucera, Italy | Bishop of Caserta, Italy |
30 Jan | | Born | Michelangelo Ricci † | | Cardinal, Cardinal-Deacon of Santa Maria in Aquiro |
Feb | 36.0 | Ordained Bishop | Modernus (Fabrizio) Caracciolo Piscizi † | Bishop of Catanzaro, Italy | Bishop of Oppido Mamertina, Italy |
8 Feb | | Born | Daniele Scoppa, O. Carm. † | | Bishop of Nola, Italy |
10 Feb | | Ordained Bishop | Giovanni Agostino Gandolfo † | Bishop of Fondi (Fundi), Italy | Bishop of Sant’Agata de’ Goti, Italy |
34.1 | Ordained Bishop | Alessandro (Fabrizio) Suardi † | Bishop of Lucera, Italy | Bishop of Caserta, Italy |
18 Feb | 56.1 | Appointed | Jerónimo Fernando † | Bishop of Funchal, Portugal |
51.1 | Appointed | Isidoro Pentorio, B. † | Bishop of Asti, Italy |
69.1 | Appointed | Ercole Vaccari † | Archbishop of Rossano, Italy |
22 Feb | 49.1 | Died | François L’Archiver † | Bishop of Rennes, France |
23 Feb | | Born | Hyacinthus Dimitri, O.P. † | | Bishop of Senj (-Modruš), Croatia |
Mar | 44.1 | Appointed | János Telegdy † | Bishop of Nitra, Slovakia | Archbishop of Kalocsa, Hungary |
3 Mar | 33.0 | Confirmed | Paris von Lodron † | Archbishop of Salzburg, Austria |
5 Mar | 56.1 | Died | Demetrii Napragyi † | Bishop of Kalocsa, Hungary |
6 Mar | | Born | Pietro Valentini † | | Bishop of Sovana (Soana), Italy |
8 Mar | 32.1 | Appointed | Nikolaus von Wolkenstein † | Bishop of Chiemsee, Germany |
10 Mar | 72.1 | Died | Jérôme Hennequin † | Bishop of Soissons, France |
12 Mar | 51.1 | Ordained Bishop | Isidoro Pentorio, B. † | Bishop of Asti, Italy |
| Born | Pietro Pietra (Petria), O.S.B. † | | Bishop of Colle di Val d’Elsa, Italy |
69.1 | Ordained Bishop | Ercole Vaccari † | Archbishop of Rossano, Italy |
16 Mar | 23.7 | Ordained Priest | Ägidius Gelenius † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop of Osnabrück, Germany |
18 Mar | | Appointed | Lorenzo Pérez de Grado † | Bishop of Cuzco, Peru |
| Appointed | René de Rieux de Sourdéac † | Bishop of Saint-Pol-de-Léon, France |
23 Mar | 24.0 | Ordained Priest | Mauro (Antonio) Corsi, O.S.B. † | Priest of Order of Saint Benedict | Bishop of San Miniato, Italy |
Apr | | Confirmed | Georges Quartéry, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
1 Apr | 46.2 | Ordained Bishop | David Rothe † | Bishop of Ossory, Ireland |
8 Apr | | Appointed | Gregorio Del Bufalo † | Bishop of Calvi Risorta, Italy |
| Appointed | Maurizio Ricci † | Bishop of Cariati e Cerenzia, Italy |
22 Apr | 47.3 | Selected | Charles de Haqueville † | Bishop of Soissons, France |
46.3 | Confirmed | Lopo de Sequeira Pereira † | Bishop of Portalegre, Portugal | Bishop of Guarda, Portugal |
29 Apr | 35.0 | Appointed | Pasquale Grassi † | Bishop of Chioggia, Italy |
30.1 | Appointed | Baltasar Moscoso y Sandoval † | Bishop of Jaén, Spain | Cardinal, Archbishop of Toledo, Spain |
May | 56.3 | Ordained Bishop | Jerónimo Fernando † | Bishop of Funchal, Portugal |
61.3 | Died | Juan Fernández Valdivieso † | Bishop-Elect of Valladolid, Spain |
29.3 | Succeeded | Alphonse de La Croix de Chevričres † | Bishop of Grenoble, France | Bishop Emeritus |
62.3 | Died | Jean de La Croix de Chevričres † | Bishop of Grenoble, France |
1 May | | Ordained Bishop | Gregorio Del Bufalo † | Bishop of Calvi Risorta, Italy |
| Ordained Bishop | Maurizio Ricci † | Bishop of Cariati e Cerenzia, Italy |
7 May | 44.3 | Selected | Pierre Cornulier † | Bishop of Rennes, France |
10 May | | Born | Pierre van den Perre † | | Bishop of Namur {Namen}, Belgium |
12 May | 41.3 | Ordained Bishop | Paul Boudot † | Bishop of Saint-Omer, France | Bishop of Arras, France |
13 May | 42.3 | Appointed | Charles Bobba de Montferrat † | Bishop of Saint-Jean-de-Maurienne, France |
37.3 | Appointed | Vincenzo Agnello Suardi † | Coadjutor Bishop of Mantova, Italy | Bishop |
20 May | 54.3 | Died | Giovanni dei Gualtieri † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
23 May | 40.3 | Selected | Nicolas Dallós † | Bishop of Pécs, Hungary | Bishop of Győr (Raab), Hungary |
33.2 | Ordained Bishop | Paris von Lodron † | Archbishop of Salzburg, Austria |
24 May | | Died | Rodolfo Paleotti † | Bishop of Imola, Italy |
25 May | 42.3 | Ordained Priest | Luca Cellesi † | Priest | Bishop of Martirano (Martoranum), Italy |
1 Jun | 54.4 | Appointed | Lucio Sanseverino † | Apostolic Nuncio to Flanders, Belgium | Cardinal, Archbishop of Salerno, Italy |
2 Jun | 35.1 | Ordained Bishop | Pasquale Grassi † | Bishop of Chioggia, Italy |
7 Jun | | Born | Marcello Santacroce † | | Cardinal, Bishop of Tivoli, Italy |
14 Jun | 78.4 | Died | Metello Bichi † | Cardinal, Archbishop Emeritus of Siena, Italy |
17 Jun | | Appointed | Alfonso Giglioli (Zilioli) † | Bishop of Anglona-Tursi, Italy |
29.4 | Appointed | Ferdinando Millini † | Bishop of Imola, Italy |
21 Jun | | Died | Sebastián Ocando, O.F.M. Obs. † | Bishop of Santa Marta, Colombia |
26 Jun | 52.4 | Died | Kasper Hap † | Auxiliary Bishop of Poznań, Poland |
28 Jun | | Born | Alfonso Álvarez Barba Ossorio, O. Carm. † | | Archbishop of Salerno, Italy |