Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Fernando Andrade Castro † | | Bishop of Jaén, Spain |
| Born | Azon Ariosti † | | Archbishop of Avignon, France |
23.2 | Selected | Ferdinand von Bayern † | Coadjutor Bishop of Liège, Belgium | Archbishop-Elect of Köln {Cologne}, Germany |
| Born | Thomas Bonzi † | | Bishop of Béziers, France |
| Born | Joannes Branecki † | | Titular Bishop of Aenos |
| Born | Ippolito Campioni, O.S.B. † | | Bishop of Chiusi, Italy |
| Born | Boudewijn Cats (Catzius) † | | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| Died | Pietro Clemens, O. Carm. † | Bishop of Ales e Terralba, Italy |
| Born | Antonio Maria Camalda † | | Bishop of Strongoli, Italy |
| Born | Edmund Dempsey, O.P. † | | Bishop of Leighlin, Ireland |
| Born | Petăr Bogdan Bakšič, O.F.M. Obs. † | | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| Died | Juan d’Espinar † | Prelate of Santa Lucia del Mela, Italy |
| Born | Louis d’Estaing † | | Bishop of Clermont, France |
| Died | Domingo de Ulloa, O.P. † | Bishop of Michoacán, México |
| Born | Fabio dos Reis Fernandes, O. Carm. † | | Bishop of Santiago de Cabo Verde |
| Died | Michael Fitzwalter † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
25.9 | Appointed | Louis III de Guise de Lorraine † | Coadjutor Archbishop of Reims, France | Cardinal, Archbishop-Elect |
| Born | Rodrigo Gutiérrez de Rojas † | | Bishop of Islas Canarias {Canary Islands}, Spain |
| Ordained Bishop | Juan de La Roca † | Bishop of Popayán, Colombia |
| Born | György Lippay Zombori † | | Archbishop of Esztergom, Hungary |
| Died | Marcel de Lorenzi † | Bishop of Strongoli, Italy |
| Born | Bl. Terence Albert O’Brien, O.P. † | | Coadjutor Bishop of Emly, Ireland |
44.0 | Appointed | Giovanni Luigi Pasolini, O.S.B. † | Abbot General of Order of Saint Benedict | Bishop Emeritus of Segni, Italy |
| Born | Giovanni Tommaso Perrone † | | Bishop of Nicastro, Italy |
| Born | Wojciech Pilchowicz † | | Auxiliary Bishop of Warmia (Ermland), Poland |
| Born | Raffaele Pizzorno, O.M. † | | Bishop of Sagone (Sagona), France |
| Born | Ottavio Poderico † | | Bishop of Umbriatico (Umbriaticum), Italy |
| Born | Miguel de Portugal † | | Bishop of Lamego, Portugal |
| Died | João Ribeiro Gaio † | Bishop of Malacca, Singapore |
| Died | Annibal de Ruccellai (Oricellari) † | Bishop of Carcassonne, France |
| Died | Achille Sergardi † | Bishop of Massa Marittima, Italy |
| Died | Tommaso Sirleto † | Bishop of Squillace, Italy |
79.0 | Died | Gianfrancesco Sormani † | Bishop of Montefeltro, Italy |
49.9 | Appointed | István Szuhay † | Apostolic Administrator of Esztergom, Hungary | Archbishop of Kalocsa, Hungary |
| Born | José Valle de la Cerda, O.S.B. † | | Bishop of Badajoz, Spain |
| Born | Bartolomeo Vannini † | | Bishop of Nepi e Sutri, Italy |
| Born | Pietro de Vico † | | Archbishop of Cagliari, Italy |
Jan | | Born | Juan Vande-Escarth y Briceño, O.S.H. † | | Bishop of León, Spain |
| Ordained Bishop | François de La Valette Cornusson † | Bishop of Vabres, France |
1 Jan | 53.0 | Ordained Bishop | Mateo Burgos Moraleja, O.F.M. † | Bishop of Pamplona, Spain | Bishop of Sigüenza, Spain |
2 Jan | 46.0 | Selected | Johann Georg von Hallwyl † | Bishop of Konstanz {Constance}, Germany |
| Born | Giovanni Stefano Siri † | | Bishop of Sagone (Sagona), France |
3 Jan | | Died | Alberto Drago, O.P. † | Bishop of Termoli, Italy |
52.0 | Died | Peter von Rascher † | Bishop of Chur, Switzerland |
10 Jan | 56.0 | Died | Alessandro de Franceschi, O.P. † | Bishop Emeritus of Forli, Italy |
15 Jan | | Appointed | Šimun Bratulić, O.S.P.P.E. † | Bishop of Sirmio (Srijem; Sirmium), Croatia | Bishop of Zagreb (Agram), Croatia |
20 Jan | | Born | Paolo Benzoni, C.R.L. † | | Bishop of Sora, Italy |
| Died | Thomas Strong † | Auxiliary Bishop of Santiago de Compostela, Spain |
24 Jan | 46.8 | Appointed | Honoré du Laurens † | Archbishop of Embrun, France |
| Appointed | Jerónimo de Gouvea, O.F.M. † | Bishop of Ceuta and Tanger, Spain | Bishop Emeritus |
| Appointed | Luigi de Grigis, O.F.M. † | Bishop of Caorle, Italy |
25 Jan | 44.0 | Ordained Bishop | Francisco Rodríguez, S.J. † | Archbishop of Cranganore (Angamala), India |
28 Jan | | Ordained Bishop | Jerónimo Bernardo de Quirós, O. Praem. † | Bishop of Castellammare di Stabia, Italy | Bishop of Pozzuoli, Italy |
29 Jan | | Died | Pedro Jaime † | Bishop of Albarracin, Spain |
7 Feb | 58.0 | Appointed | Christoph Andreas von Spaur † | Bishop of Brixen {Bressanone}, Italy |
12 Feb | 48.1 | Appointed | Pedro Manrique de Lara, O.S.A. † | Bishop of Tortosa, Spain | Archbishop of Zaragoza, Spain |
| Appointed | Jacques Rusconi † | Bishop of Nebbio, France |
| Confirmed | García de Santa María Mendoza y Zúñiga, O.S.H. † | Archbishop of México, Federal District |
15 Feb | | Appointed | Jerónimo Bernardo de Quirós, O. Praem. † | Bishop of Castellammare di Stabia, Italy | Bishop of Pozzuoli, Italy |
19 Feb | 65.1 | Appointed | Geoffroy de Billy † | Bishop of Laon, France |
36.1 | Appointed | Jerzy Zamoyski † | Bishop of Chełm, Poland |
24 Feb | 46.9 | Ordained Bishop | Honoré du Laurens † | Archbishop of Embrun, France |
26 Feb | 30.1 | Appointed | Bonifazio Bevilacqua Aldobrandini † | Cardinal-Priest of San Girolamo dei Croati | Cardinal, Cardinal-Bishop of Frascati |
| Died | Horace René de Birague † | Bishop of Lavaur, France |
54.8 | Installed | Bernardo de Rojas y Sandoval † | Cardinal-Priest of Sant’Anastasia | Cardinal, Archbishop of Toledo, Spain |
3 Mar | | Died | Louis du Moulinet † | Bishop Emeritus of Sées {Séez}, France |
4 Mar | | Died | Gentile Dolfino † | Bishop of Camerino, Italy |
10 Mar | | Died | Massimiliano Beniamino, O.F.M. Conv. † | Bishop of Chioggia, Italy |
11 Mar | | Died | Vincenzo Bonardo, O.P. † | Bishop of Gerace, Italy |
13 Mar | | Born | Sigismund Miutini von Spilenberg † | | Auxiliary Bishop of Olomouc (Olmütz), Czechia |
14 Mar | 61.2 | Appointed | Jacques Blaze (Blaes), O.F.M. Obs. † | Bishop of Saint-Omer, France |
15 Mar | | Died | Raymond O’Gallagher † | Bishop of Derry, Ireland |
17 Mar | 41.2 | Died | Lorenz Eiszepf † | Auxiliary Bishop of Eichstätt, Germany |
19 Mar | 63.2 | Appointed | Wawrzyniec Goślicki † | Bishop of Poznań, Poland |
38.2 | Appointed | Maciej Pstrokoński † | Bishop of Przemyśl, Poland | Bishop of Włocławek (Kujawy, Kalisze), Poland |
1 Apr | 41.6 | Ordained Bishop | Wawrzyniec Gembicki † | Bishop of Chelmno (Culma, Kulm), Poland | Archbishop of Gniezno, Poland |
54.2 | Ordained Bishop | Orazio Spínola † | Cardinal, Archbishop of Genova, Italy |
4 Apr | 35.2 | Appointed | Gaspare Paluzzi Albertoni † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
5 Apr | 63.2 | Died | Wolfgang Kämmerer von Dalberg † | Archbishop of Mainz, Germany |
9 Apr | 50.2 | Appointed | Guillaume de Berghes † | Archbishop of Cambrai, France |
51.2 | Appointed | Johann Flugi d’Apremont † | Bishop of Chur, Switzerland | Bishop Emeritus |
12 Apr | 81.2 | Died | Girolamo Bentivoglio † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
25 Apr | 35.3 | Ordained Bishop | Gaspare Paluzzi Albertoni † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
30 Apr | 46.3 | Appointed | Juan Bautista Acevedo Muñoz † | Bishop of Valladolid, Spain | Bishop Emeritus |
| Appointed | Sebastiano Ghislieri † | Bishop of Strongoli, Italy |
60.3 | Appointed | Fernando Niño de Guevara † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
43.3 | Appointed | Bonaventura Secusio, O.F.M. Obs. † | Patriarch (Personal Title) of Patti, Italy | Bishop of Catania, Italy |
43.3 | Appointed | Paolo Tolosa, C.R. † | Bishop of Bovino, Italy | Archbishop of Chieti, Italy |
6 May | 65.3 | Ordained Bishop | Geoffroy de Billy † | Bishop of Laon, France |
| Died | Properzio Resta, O.F.M. Conv. † | Bishop of Cariati e Cerenzia, Italy |
11 May | | Appointed | Fabio Aresti † | Bishop of Lucera, Italy |
50.3 | Appointed | Francisco Terrones del Caño † | Bishop of Tuy, Spain | Bishop of León, Spain |
13 May | | Ordained Bishop | Sebastiano Ghislieri † | Bishop of Strongoli, Italy |
43.3 | Ordained Bishop | Paolo Tolosa, C.R. † | Bishop of Bovino, Italy | Archbishop of Chieti, Italy |
55.3 | Appointed | Jerónimo Xavierre, O.P. † | Master General of Order of Friars Preachers | Cardinal, Priest |
| Ordained Bishop | György Zalatnaki † | Bishop of Pécs, Hungary |
27.3 | Appointed | Antonio Zara † | Bishop of Pedena, Austria |
14 May | 35.3 | Appointed | Innocenzo Del Bufalo-Cancellieri † | Bishop of Camerino, Italy | Cardinal, Bishop Emeritus |
47.3 | Appointed | Paolo Emilio Zacchia † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
15 May | 36.9 | Selected | Johann Adam von Bicken † | Archbishop of Mainz, Germany | Archbishop-Elect |
62.7 | Died | Claude d’Angennes † | Bishop of Le Mans, France |
18 May | 65.3 | Died | Pietro Ridolfi, O.F.M. Conv. † | Bishop of Senigallia, Italy |
20 May | | Ordained Bishop | Fabio Aresti † | Bishop of Lucera, Italy |
35.3 | Ordained Bishop | Innocenzo Del Bufalo-Cancellieri † | Bishop of Camerino, Italy | Cardinal, Bishop Emeritus |
25 May | 64.3 | Resigned | Gaspare Silingardi † | Apostolic Nuncio to France | Bishop of Modena, Italy |
26 May | 73.4 | Appointed | Gedeon Brolnicki † | Archbishop of Połock (Polotsk) (Ukrainian), Belarus |
27 May | 47.4 | Ordained Bishop | Paolo Emilio Zacchia † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
36.4 | Ordained Bishop | Jerzy Zamoyski † | Bishop of Chełm, Poland |
28 May | 29.4 | Ordained Bishop | Charles-Salomon du Serre † | Bishop of Gap, France |
| Appointed | Jean Raymond † | Bishop of Saint-Papoul, France |
| Appointed | Giovanni Battista Toschi † | Bishop of Narni, Italy | Bishop of Rieti, Italy |
31 May | 53.5 | Died | Gebhard Truchseß von Waldburg † | Former Archbishop-Elect of Köln {Cologne}, Germany |
4 Jun | 46.4 | Appointed | Lorenzo Prezzato † | Bishop of Chioggia, Italy |
12 Jun | 46.4 | Ordained Bishop | Lorenzo Prezzato † | Bishop of Chioggia, Italy |
14 Jun | 35.4 | Appointed | Innocenzo Del Bufalo-Cancellieri † | Apostolic Nuncio to France | Cardinal, Bishop Emeritus of Camerino, Italy |
17 Jun | 46.4 | Ordained Bishop | Juan Bautista Acevedo Muñoz † | Bishop of Valladolid, Spain | Bishop Emeritus |
18 Jun | 46.4 | Confirmed | Johann Georg von Hallwyl † | Bishop of Konstanz {Constance}, Germany |
| Born | Dietrich Adolf von der Reck † | | Bishop of Paderborn, Germany |
23 Jun | | Died | Salvat d’Iharse † | Bishop of Tarbes, France |
29 Jun | 35.4 | Installed | Gaspare Paluzzi Albertoni † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |