Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Tommaso Acquaviva d’Aragona, O.P. † | | Bishop of Bitonto, Italy |
20.0 | Professed | Miguel Avellán, O.F.M. Obs. † | Member of Order of Observant Friars Minor | Auxiliary Bishop of Toledo, Spain |
| Resigned | Franjo Baličević, O.F.M. † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia | Bishop Emeritus |
| Born | Giovanni Battista Barsotti † | | Auxiliary Bishop of Praha {Prague}, Czechia |
| Ordained Deacon | Jean-François Berliet † | Deacon | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| Ordained Priest | Jean-François Berliet † | Priest | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| Born | Ottavio Boldoni, B. † | | Bishop of Teano, Italy |
| Born | Andrea Borgia † | | Bishop of Segni, Italy |
84.0 | Resigned | François de Bourdeilles † | Bishop of Périgueux (Vesuna), France | Bishop Emeritus |
| Born | John de Burgh † | | Archbishop of Tuam, Ireland |
| Born | Angelo Celsi † | | Cardinal, Prefect of the Congregation of the Council |
| Born | Prokip Chmielowski (Chmeljovskyj) † | | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| Born | Luís de Cifuentes y Sotomayor, O.P. † | | Bishop of Yucatán (Mérida), México |
| Born | Jacques Danès de Marly † | | Bishop Emeritus of Toulon, France |
| Born | Alphonse d’Elbène † | | Bishop of Orléans, France |
| Born | Louis Dillon, O.F.M. Obs. † | | Bishop of Achonry, Ireland |
42.0 | Died | Antonio de Dominis † | Bishop of Senj, Croatia |
| Born | Georges Alexandre Dorpowski † | | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| Ordained Bishop | Geronimo del Pozzo † | Bishop of Accia and Mariana, France | Bishop Emeritus |
60.0 | Died | Heinrich Fabricius † | Auxiliary Bishop of Speyer, Germany |
| Died | Alfonso Fernández de Bonilla † | Archbishop of México, Federal District |
| Born | Paul Fieschi † | | Bishop of Toul, France |
22.0 | Ordained Priest | Juan García Arlés † | Priest of Orihuela, Spain | Bishop |
| Died | Charles de Gelas de Léberon † | Bishop Emeritus of Valence and Die, France |
46.0 | Ordained Bishop | Girolamo Giustiniani, O.P. † | Bishop of Chios (Scio), Greece | Bishop Emeritus |
| Born | Isaac Habert † | | Bishop of Vabres, France |
| Born | Marin Ibrišimović, O.F.M. Obs. † | | Bishop of Beograd {Belgrade}, Serbia |
| Ordained Bishop | Joseph † | Bishop of Gazireh (Gezira) (Chaldean), Turkey |
| Born | Rafał Mikołaj Korsak, O.S.B.M. † | | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
| Born | Denis de La Barde † | | Bishop of Saint-Brieuc, France |
| Born | Gaspare Litago † | | Archbishop of Sassari, Italy |
| Born | Claude Mallier du Houssay † | | Bishop Emeritus of Tarbes, France |
| Born | Pedro-Fernando Manjarrés de Heredia † | | Bishop of Mallorca, Spain |
| Born | Cristóbal de la Mancha y Velazco, O.P. † | | Bishop of Buenos Aires, Argentina |
| Born | Vitaliano Marescano † | | Bishop of Umbriatico (Umbriaticum), Italy |
26.0 | Ordained Bishop | Jacques Martin † | Bishop of Vannes, France | Bishop Emeritus |
| Born | Heber MacMahon (McMahon) † | | Bishop of Clogher, Ireland |
| Born | Francesco Maria Merlini † | | Bishop of Cervia, Italy |
| Born | Giovanni Lucas Moncalvi † | | Bishop of Guardialfiera (Guardia), Italy |
| Died | Giovanni Myra (Mira) † | Archbishop of Acerenza e Matera, Italy |
| Died | Gilles de Noailles † | Bishop Emeritus of Acqs (Dax), France |
| Ordained Bishop | Girgis (Georges) Omaira el-Douaihy el-Ehdeni † | Auxiliary Bishop of Antiochia {Antioch} (Maronite), Lebanon | Patriarch |
| Ordained Bishop | Francisco Ortega, O.S.A. † | Bishop of Nueva Caceres, Philippines |
| Born | Gabriel Ortiz de Orbé † | | Bishop of Gaeta, Italy |
38.0 | Ordained Bishop | Agustín Dávila y Padilla, O.P. † | Archbishop of Santo Domingo, Dominican Republic |
| Born | Frutos Bernardo Patón de Ayala † | | Bishop of Sigüenza, Spain |
| Born | Sallustio Pecólo (Pecoli) † | | Bishop Emeritus of Venosa, Italy |
| Died | Angelo Peruzzi † | Bishop of Sarsina, Italy |
25.0 | Ordained Priest | Giovanni Battista Piccolomini † | Priest | Bishop of Chiusi, Italy |
| Born | Alessandro Porro, C.R. † | | Bishop of Bobbio, Italy |
| Born | Ottaviano Prati † | | Bishop of Bertinoro, Italy |
| Appointed | Giulio Cesare Ricordato (Recordato) † | Bishop of Ventimiglia, Italy | Bishop-Elect |
| Died | Matteo Rivarola, O.S.B. † | Archbishop of Genova, Italy |
28.0 | Ordained Bishop | Sarkis Rizzi † | Bishop of Damas (Maronite), Syria |
| Born | Pietro Rota † | | Bishop of Lucca, Italy |
27.0 | Ordained Priest | David Rothe † | Priest | Bishop of Ossory, Ireland |
| Born | Garcia Ruiz Cabezas † | | Bishop of Cartagena, Colombia |
| Born | Richard de Sade † | | Bishop of Cavaillon, France |
| Born | Martin Saudrius von Sternfeld † | | Prefect Emeritus of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| Born | Bruno Sciamanna † | | Bishop of Caserta, Italy |
56.0 | Died | Camillo de Scribani † | Bishop of Montepeloso, Italy |
42.0 | Resigned | Bonaventura Secusio, O.F.M. Obs. † | Minister General of Order of Observant Friars Minor | Bishop of Catania, Italy |
| Born | Ludovico Serristori † | | Bishop of Cortona, Italy |
| Born | François Servien † | | Bishop of Bayeux, France |
| Born | Mikołaj Romanow Świrski † | | Auxiliary Bishop of Chełm, Poland |
| Born | Flaminio Taja † | | Cardinal, Cardinal-Priest of Santi Nereo ed Achilleo |
| Born | Nikolaus Aliprandi de Thomasis † | | Auxiliary Bishop of Passau, Germany |
| Died | Flaminio Torcella † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| Born | Giovanni Battista a Tuderlo, O.F.M. † | | Titular Bishop of Paphus |
42.0 | Died | Hector Valladares † | Bishop of Ceuta and Tanger, Spain |
| Born | Scipion de Villeneuve-Thorenc † | | Bishop of Grasse, France |
| Died | Herman Zahorskyi (Zahorski) † | Archbishop of Połock (Polotsk) (Ukrainian), Belarus |
2 Jan | 70.1 | Ordained Bishop | Diego de Chaves y de las Casas, O.S.H. † | Bishop of Tarazona, Spain |
6 Jan | 31.0 | Ordained Bishop | Gaspard Dinet † | Bishop of Mâcon, France |
7 Jan | | Appointed | Camillo Borghese † | Bishop of Montalcino, Italy | Archbishop of Siena, Italy |
37.0 | Appointed | Demetrii Napragyi † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania | Bishop of Kalocsa, Hungary |
10 Jan | 53.2 | Appointed | Sancho Dávila y Toledo † | Bishop of Jaén, Spain | Bishop of Plasencia, Spain |
48.0 | Appointed | Karel-Filips de Rodoan † | Bishop of Middelburg, Netherlands | Bishop of Brugge {Bruges}, Belgium |
| Appointed | Sallustio Tarugi † | Bishop of Montepulciano, Italy | Archbishop of Pisa, Italy |
13 Jan | 78.0 | Died | Giovanni Ingegneri (Ingenerio) † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
19 Jan | | Appointed | Tomás de Borja † | Bishop of Málaga, Spain | Archbishop of Zaragoza, Spain |
| Appointed | Placido Fava, O.S.B. † | Bishop of Castro di Puglia, Italy | Bishop of Telese o Cerreto Sannita, Italy |
21 Jan | 43.6 | Died | Jerzy Radziwiłł † | Bishop of Kraków, Poland | Cardinal, Bishop of Vilnius, Lithuania |
23 Jan | | Appointed | Juan Zúñiga † | Bishop of Cartagena (en España) |
24 Jan | 48.0 | Appointed | Alfonso Visconte, C.O. † | Cardinal-Priest of San Sisto | Cardinal, Bishop of Spoleto, Italy |
25 Jan | | Ordained Bishop | Léonard de Trapes, O.F.M. Cap. † | Archbishop of Auch, France |
26 Jan | 61.4 | Died | Lorenzo Priuli † | Cardinal, Patriarch of Venezia {Venice}, Italy |
28 Jan | | Born | Giulio Rospigliosi † | | Pope (Roma {Rome}, Italy) |
30 Jan | 38.0 | Ordained Bishop | Barthélémy Camelin † | Bishop of Fréjus, France |
31 Jan | | Appointed | Marcel de Lorenzi † | Bishop of Strongoli, Italy |
9 Feb | 54.1 | Died | Stanisław Rozrażewski † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
13 Feb | | Ordained Bishop | Marcel de Lorenzi † | Bishop of Strongoli, Italy |
| Born | António de Mendonça † | | Archbishop of Lisboa, Portugal |
20 Feb | 65.1 | Died | Iñigo Avalos de Aragón, O.S. † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Ordained Bishop | Placido Fava, O.S.B. † | Bishop of Castro di Puglia, Italy | Bishop of Telese o Cerreto Sannita, Italy |
60.1 | Died | Markus Tegginger (Tettinger) † | Auxiliary Bishop Emeritus of Basel, Switzerland |
21 Feb | 64.7 | Appointed | Alessandro Ottaviano de’ Medici † | Cardinal-Priest of Santa Maria in Trastevere | Pope (Roma {Rome}, Italy) |
72.4 | Appointed | Tolomeo Gallio † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
68.1 | Appointed | Ludovico Madruzzo † | Cardinal-Bishop of Frascati | Cardinal, Bishop of Trento, Italy |
63.1 | Appointed | Girolamo Rusticucci † | Cardinal-Bishop of Sabina | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
78.1 | Appointed | Girolamo Simoncelli † | Cardinal-Bishop of Albano | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
49.7 | Appointed | Simeone Tagliavia d’Aragonia † | Cardinal-Priest of Santa Prassede | Cardinal, Cardinal-Bishop of Sabina |
26 Feb | 25.1 | Ordained Priest | Ludovico degli Atti (De Actis) † | Priest | Bishop of Segni, Italy |
1 Mar | | Died | Angelo Casarino, O.P. † | Bishop of Caorle, Italy |
8 Mar | 74.1 | Died | René de Daillon du Lude † | Bishop of Bayeux, France |
10 Mar | | Born | Pacifico Trasi (Trani), O.F.M. Obs. † | | Bishop of Cagli, Italy |
13 Mar | 14.1 | Professed | Mauro Diego (Marcos) de Tovar y Valle Maldonado, O.S.B. † | Member of Order of Saint Benedict | Bishop of Chiapas (Ciudad Real de Chiapas), México |
15 Mar | 27.2 | Appointed | Andrea Baroni Peretti Montalto † | Cardinal-Deacon of Sant’Angelo in Pescheria | Cardinal, Cardinal-Bishop of Frascati |
| Appointed | Paolo de Curtis, C.R. † | Bishop of Isernia, Italy |
| Appointed | Andrea Sorbolonghi † | Bishop of Gubbio, Italy |
20 Mar | | Appointed | Juan de Castro, O.S.B. † | Archbishop of Taranto, Italy |
| Appointed | Hippolytus Manari, O.S.M. † | Bishop of Montepeloso, Italy |
24 Mar | 48.2 | Resigned | Camillo Caetani † | Apostolic Nuncio to Spain | Titular Patriarch of Alexandria {Alessandria} |
48.7 | Appointed | Domenico Ginnasi † | Apostolic Nuncio to Spain | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
1 Apr | 23.4 | Ordained Priest | Georges Chamberlain † | Priest | Bishop of Ypres (Ieper), Belgium |
34.2 | Ordained Priest | François de Rye † | Priest | Archbishop of Besançon, France |
2 Apr | 38.2 | Succeeded | Carlo Gaudenzio Madruzzo † | Cardinal, Bishop of Trento, Italy |
3 Apr | | Born | Francesco Boccapaduli † | | Bishop Emeritus of Città di Castello, Italy |
9 Apr | | Ordained Bishop | Tomás de Borja † | Bishop of Málaga, Spain | Archbishop of Zaragoza, Spain |
15 Apr | | Died | Gilberto Isfar y Corillas † | Bishop of Patti, Italy |
17 Apr | 31.9 | Installed | Alessandro d’Este † | Cardinal-Deacon of Sant’Adriano al Foro | Cardinal, Bishop of Reggio Emilia, Italy |
20 Apr | 68.3 | Died | Ludovico Madruzzo † | Cardinal, Bishop of Trento, Italy |
23 Apr | 80.0 | Appointed | Pedro de Deza Manuel † | Cardinal, Cardinal-Bishop of Albano |
| Ordained Bishop | Andrea Sorbolonghi † | Bishop of Gubbio, Italy |
24 Apr | | Died | Antonio Fera, O.F.M. Conv. † | Bishop of Marsico Nuovo, Italy |
| Succeeded | Ascanio Parisi † | Bishop of Marsico Nuovo, Italy |
47.7 | Appointed | Flaminio Piatti † | Cardinal, Cardinal-Priest of Santa Maria della Pace |
63.2 | Appointed | Antonmaria Salviati † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Bishop Emeritus of Saint-Papoul, France |
78.3 | Appointed | Girolamo Simoncelli † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
30 Apr | 35.3 | Ordained Bishop | Antoine de Cros † | Bishop of Saint-Paul-Trois-Châteaux, France |
34.3 | Ordained Bishop | Ferenc Forgách de Ghymes † | Bishop of Nitra, Slovakia | Cardinal, Archbishop of Esztergom, Hungary |
1 May | 26.3 | Ordained Bishop | Jean Ricard de Gourdon de Genouillac de Vaillac † | Bishop of Tulle, France |
| Born | Ulrich Grappler von Trappenburg † | | Auxiliary Bishop of Passau, Germany |
5 May | | Appointed | Ascanio Giacobazio (Giacovazzi) † | Apostolic Nuncio to Flanders, Belgium | Bishop Emeritus of Anglona-Tursi, Italy |
48.8 | Resigned | Domenico Ginnasi † | Apostolic Nuncio to Florence (Tuscany), Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
53.3 | Appointed | Matteo de Oviedo, O.F.M. Obs. † | Archbishop of Dublin, Ireland |
6 May | 43.3 | Died | Paweł Albert von Sitsch † | Bishop-Elect of Wrocław (Breslau), Poland |
11 May | | Died | Antônio Barreiros, O. Cist. † | Bishop of São Salvador da Bahia de Todos os Santos, Brazil |
| Died | Paolo Sanvitale † | Bishop of Spoleto, Italy |
12 May | | Appointed | Alessandro Boccabarile † | Bishop of Ortona a Mare e Campli, Italy |
42.3 | Appointed | Juan Pérez de Espinosa, O.F.M. Obs. † | Bishop of Santiago de Chile | Bishop Emeritus |
71.3 | Appointed | Juan Ramírez de Arellano, O.P. † | Bishop of Santiago de Guatemala |
13 May | 59.9 | Died | Gaspar Punter i Barreda † | Bishop of Tortosa, Spain |
15 May | | Appointed | Girolamo Contarini, O.P. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| Appointed | Angelus Pereira, O. Carm. † | Auxiliary Bishop of Coimbra, Portugal |
| Appointed | Angelus Pereira, O. Carm. † | Titular Bishop of Martyropolis | Auxiliary Bishop of Coimbra, Portugal |
21 May | | Ordained Bishop | François Baer † | Titular Bishop of Chrysopolis in Arabia | Auxiliary Bishop of Basel, Switzerland |
23 May | 52.3 | Appointed | Bernard Maciejowski † | Bishop of Kraków, Poland | Cardinal, Archbishop of Gniezno, Poland |
24 May | | Appointed | Jean Martin † | Bishop of Périgueux (Vesuna), France |
9 Jun | 65.1 | Died | Guillaume de St-Marcel d’Avançon † | Archbishop of Embrun, France |
10 Jun | 53.4 | Died | Domingo de Salinas, O.P. † | Bishop of Coro, Venezuela |
12 Jun | 48.4 | Appointed | Jan Tarnowski † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Archbishop of Gniezno, Poland |
18 Jun | 80.2 | Ordained Bishop | Pedro de Deza Manuel † | Bishop of Albano | Cardinal, Cardinal-Bishop |
24 Jun | | Born | Bl. Juan de Palafox y Mendoza † | | Bishop of Osma, Spain |
26 Jun | 37.4 | Appointed | Claude d’Ormy † | Bishop of Boulogne (-Sur-Mer), France |
62.9 | Appointed | Arnaud d’Ossat † | Cardinal, Bishop of Bayeux, France |