Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Giovanni Battista de Aquena † | | Bishop of Bosa, Italy |
| Born | Arcangelo Baldini, O.P. † | | Bishop of Gravina (di Puglia), Italy |
| Born | Claude de Bellièvre † | | Archbishop of Lyon, France |
77.0 | Resigned | Tristan de Bizet, O.S.B. † | Bishop of Saintes, France | Bishop Emeritus |
| Born | Ippolito Borghese, O.S.B. † | | Bishop of Pienza, Italy |
| Born | Carlo Bovi † | | Bishop of Sarsina, Italy |
| Born | Scipione Caffarelli-Borghese † | | Cardinal, Cardinal-Bishop of Sabina |
61.0 | Died | Feliciano Capitone, O.S.M. † | Archbishop of Avignon, France |
| Born | Pompeo Cornazzano, O. Cist. † | | Bishop of Parma, Italy |
| Born | Cosimo de’ Bardi † | | Archbishop of Firenze {Florence}, Italy |
| Born | Giovanni Battista de Paola † | | Bishop of Bisignano, Italy |
| Born | António do Rosário, O.P. † | | Bishop-Elect of Malacca, Singapore |
25.0 | Ordained Priest | Vincenzo del Tufo, C.R. † | Priest | Bishop of Oria, Italy |
70.0 | Died | Antonio Elio † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| Born | Giovanni Battista Ferrero, O.P. † | | Archbishop of Torino {Turin}, Italy |
| Resigned | Giovanni Ambrosio Fieschi † | Bishop of Savona, Italy | Bishop Emeritus |
| Born | Antonio Maria Franceschini † | | Bishop of Amelia, Italy |
| Born | Theodorus Georgi, O.S.B. † | | Bishop of Arbe (Rab), Croatia |
| Died | Aurelio Griani, O.F.M. † | Bishop of Lettere (-Gragnano), Italy |
| Died | Francisco Guaresma, O.F.M. Obs. † | Bishop of Ceuta and Tanger, Spain |
| Born | Lorenzo Horta Rodríguez † | | Bishop of Yucatán (Mérida), México |
| Died | Cornelius Ideay † | Bishop of Kilmacduagh, Ireland |
36.4 | Ordained Bishop | Łukasz Kościelecki, O.S.B. † | Bishop of Przemyśl, Poland | Bishop of Poznań, Poland |
| Born | Giovanni Battista Lancellotti † | | Bishop of Nola, Italy |
27.0 | Ordained Priest | Johann Lohel, O. Praem. † | Priest of Order of the Canons Regular of Premontre; Norbertines | Archbishop of Praha {Prague}, Czechia |
| Died | Sebastiano Maffo † | Bishop of Cariati e Cerenzia, Italy |
54.0 | Appointed | Marcantonio Maffei † | Prefect of the Congregation of Bishops and Regulars | Cardinal, Archbishop Emeritus of Chieti, Italy |
| Born | László Majthényi † | | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| Born | Pedro de Mata y Haro, C.R. † | | Bishop of Capaccio, Italy |
| Born | Hugh McCaughwell, O.F.M. Obs. † | | Archbishop of Armagh, Ireland |
47.0 | Died | Giacomo Mignanelii † | Bishop of Grosseto, Italy |
| Born | Joachim Morochowski, O.S.B.M. † | | Bishop of Volodymyr (Włodzimierz) et Brėst (Ukrainian) |
| Born | Jean de Plantavit de la Pause † | | Bishop Emeritus of Lodève, France |
| Born | Nicolaus Righi † | | Bishop of Tinos and Mykonos, Greece |
26.0 | Ordained Priest | Paolo Emilio Sammarco † | Priest | Bishop of Umbriatico (Umbriaticum), Italy |
| Resigned | Scipione Santacroce † | Bishop of Cervia, Italy | Bishop Emeritus |
| Born | Pierre Antoine Triest † | | Bishop of Gent {Ghent, Gand}, Belgium |
22.0 | Ordained Priest | Fernando Trexo y Senabria, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Bishop of Córdoba (Tucumán), Argentina |
7 Jan | | Born | Julián de Cortázar † | | Archbishop of Santafé en Nueva Granada, Colombia |
9 Jan | | Born | Jerónimo Domín Funes, O. Carm. † | | Bishop of Gaeta, Italy |
13 Jan | | Died | Benedetto Oliva † | Bishop of Trevico, Italy |
15 Jan | 48.0 | Ordained Bishop | Marquard von Berg † | Bishop of Augsburg, Germany |
16 Jan | 40.0 | Appointed | Melchior Giedroyć † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
22 Jan | | Ordained Bishop | Hector Wegmann † | Titular Bishop of Symbalia (Cembalo, Balaclawa) | Auxiliary Bishop of Passau, Germany |
23 Jan | | Appointed | Richard McBrady, O.F.M. Obs. † | Bishop of Ardagh (and Clonmacnois), Ireland | Bishop of Kilmore, Ireland |
25 Jan | 65.0 | Died | Tommaso Orsini † | Bishop of Foligno, Italy |
26 Jan | | Appointed | Patrick Macival † | Bishop of Dromore, Ireland |
| Appointed | Diego Núñez de Figueroa † | Bishop of Macau, China | Former Bishop-Elect |
30 Jan | | Appointed | Ippolito Boschi † | Bishop of Foligno, Italy |
| Appointed | Matteo Andrea Guerra † | Bishop of San Marco (Argentano), Italy |
6 Feb | | Appointed | Antonio Balducci, O.P. † | Bishop of Trevico, Italy |
33.0 | Appointed | Lorenzo Vitturi † | Archbishop of Candia {Crete}, Greece |
13 Feb | 45.1 | Died | Ludovico Antinori † | Archbishop of Pisa, Italy |
15 Feb | | Appointed | Francisco Soto Salazar † | Bishop of Salamanca, Spain |
19 Feb | | Ordained Bishop | Lattanzio Lattanzi † | Bishop of Pistoia, Italy |
20 Feb | | Appointed | Bartolomeo Giugni (Junius) † | Archbishop of Pisa, Italy |
25 Feb | 37.6 | Appointed | Alberto Bolognetti † | Apostolic Nuncio to Florence (Tuscany), Italy | Cardinal, Bishop of Massa Marittima, Italy |
46.1 | Resigned | Carlo Cicala (Cicada) † | Apostolic Nuncio to Florence (Tuscany), Italy | Bishop Emeritus of Albenga, Italy |
27 Feb | 64.1 | Appointed | Nicolas Bousmard † | Bishop of Verdun, France |
| Appointed | Pio Loterio, O.S.B. † | Bishop of Fondi (Fundi), Italy |
4 Mar | | Ordained Bishop | Giovanni Paolo Marincola † | Bishop of Teano, Italy | Bishop Emeritus |
14 Mar | | Born | Éric de Lorraine, O.F.M. Cap. † | | Bishop Emeritus of Verdun, France |
19 Mar | 56.2 | Died | Gaspar de Faria † | Bishop of Angra, Portugal |
28 Mar | | Appointed | Alessandro Canigiani † | Archbishop of Aix, France |
| Appointed | Manuel de Mercado Aldrete, O.S.H. † | Bishop of Panamá |
| Appointed | Giuliano de’ Medici † | Archbishop (Personal Title) of Albi, France | Bishop |
43.1 | Resigned | Giovanni Francesco Gàmbara † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Cardinal-Bishop of Palestrina |
| Appointed | Carlo Montigli † | Archbishop (Personal Title) of Viterbo e Tuscania, Italy | Bishop |
| Died | Juan Orozco de Arce † | Bishop of Catania, Italy |
36.2 | Appointed | Giulio Rossino † | Archbishop of Amalfi, Italy |
57.2 | Appointed | Diego de Salamanca, O.E.S.A. † | Bishop of Puerto Rico (Porto Rico) | Bishop Emeritus |
2 Apr | 75.2 | Died | Pedro Guerrero Logroño (Mendoza) † | Archbishop of Granada, Spain |
6 Apr | 54.2 | Appointed | Tommaso de Bonsi † | Bishop of Béziers, France | Bishop Emeritus |
| Appointed | Nicolas de la Courbe de Brée † | Bishop of Saintes, France |
10 Apr | | Died | Jean de Balaguier † | Bishop of Cahors, France |
11 Apr | 66.2 | Died | Cornelis Jansen † | Bishop of Gent {Ghent, Gand}, Belgium |
| Appointed | Gómez Zapata † | Bishop of Cartagena (en España) | Bishop of Cuenca, Spain |
22 Apr | 40.3 | Ordained Bishop | Melchior Giedroyć † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
23 Apr | 57.2 | Died | Francisco Gómez de Mendiola y Solórzano † | Bishop of Guadalajara, Jalisco, México |
2 May | 73.3 | Died | Bartolomé de Carranza y Miranda, O.P. † | Archbishop of Toledo, Spain |
4 May | | Appointed | Johann Mezon von Telz † | Bishop of Olomouc (Olmütz), Czechia |
33.9 | Appointed | Jakob Christoph Blarer von Wartensee † | Bishop of Basel, Switzerland |
9 May | 38.9 | Appointed | Cesare Camillo Ferrero † | Bishop of Savona, Italy | Bishop of Ivrea, Italy |
13 May | 44.3 | Ordained Bishop | Antoine Fournier, C.R.S.A. † | Titular Bishop of Basilitanus | Auxiliary Bishop of Metz, France |
20 May | 61.6 | Died | Maurizio Pietra † | Bishop of Vigevano, Italy |
27 May | | Died | Giulio Simonetta † | Bishop of Pesaro, Italy |
4 Jun | | Appointed | Roberto Sassatelli † | Bishop of Pesaro, Italy |
| Appointed | Jan van Strijen † | Bishop of Middelburg, Netherlands |
7 Jun | | Died | Johann Deublinger † | Auxiliary Bishop of Regensburg, Germany |
29 Jun | 69.8 | Died | François Sonnius (Van de Velde) † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
Jul | 31.5 | Appointed | Kyrylo (Cyryl) Terletskyi (Terlecki) † | Bishop of Pińsk-Turaŭ (Ukrainian), Belarus | Bishop of Lutzk e Ostrog (Ukrainian), Ukraine |
2 Jul | 62.5 | Died | Joachim van Oprode † | Auxiliary Bishop of Utrecht, Netherlands |
4 Jul | | Appointed | Juan Dimas Lloris † | Bishop of Barcelona, Spain |
| Appointed | Bl. Patrick O’Healy, O.F.M. Obs. † | Bishop of Mayo, Ireland |
15 Jul | 64.5 | Ordained Bishop | Nicolas Bousmard † | Bishop of Verdun, France |
17 Jul | | Died | Antonio Ruíz de Morales y Molina, O.S. † | Bishop of Tlaxcala (Puebla de los Angeles), México |
18 Jul | 63.9 | Appointed | François de Foix de Candale † | Bishop of Aire, France |
34.5 | Appointed | Ottavio Santacroce † | Bishop of Cervia, Italy |
30 Jul | | Appointed | Alfonso Herrera, O.S.A. † | Bishop of Gallipoli, Italy | Bishop of Ariano, Italy |
60.5 | Died | Antonio Scarampi † | Bishop of Lodi, Italy |
46.5 | Appointed | Francesco Sporeni, O.F.M. Obs. † | Titular Bishop of Sebaste in Cilicia |
3 Aug | 65.5 | Died | Leonardo Bonaccorsi (Buonaccorsi) † | Bishop of Bisceglie, Italy |
6 Aug | 60.5 | Appointed | Girolamo Federici † | Bishop of Lodi, Italy |
15 Aug | | Installed | Antônio Barreiros, O. Cist. † | Bishop of São Salvador da Bahia de Todos os Santos, Brazil |
| Died | Gaspar de Leão Pereira † | Archbishop of Goa, India |
| Ordained Bishop | Johann Mezon von Telz † | Bishop of Olomouc (Olmütz), Czechia |
22 Aug | | Appointed | Claudio Borghese † | Bishop of Grosseto, Italy |
| Appointed | Malachy O’Moloney † | Bishop of Kilmacduagh, Ireland |
| Appointed | Cornelius Ryan (O’Mulrian), O.F.M. Obs. † | Bishop of Killaloe, Ireland |
| Appointed | Giovanni Battista Soriani (Suriano), O. Carm. † | Bishop of Bisceglie, Italy |
Sep | | Born | Francesco Venturi † | | Bishop Emeritus of San Severo, Italy |
2 Sep | | Ordained Bishop | Giovanni Battista Soriani (Suriano), O. Carm. † | Bishop of Bisceglie, Italy |
4 Sep | 43.6 | Died | Romolo Archinto † | Bishop of Novara, Italy |
9 Sep | 34.6 | Ordained Bishop | Ottavio Santacroce † | Bishop of Cervia, Italy |
11 Sep | | Born | Giovanni Battista Bonetti (Berosi) † | | Bishop of Narni, Italy |
| Died | Mario Carafa † | Archbishop of Napoli {Naples}, Italy |
12 Sep | 71.6 | Died | Juan Quiñones Guzmán † | Bishop of Calahorra y La Calzada, Spain |
19 Sep | 65.7 | Appointed | Bl. Paolo (Scipione) Burali d’Arezzo, C.R. † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| Appointed | Giovanni Bernardino Grandopoli † | Bishop of Lettere (-Gragnano), Italy |
40.7 | Appointed | Girolamo Ragazzoni † | Bishop of Novara, Italy | Bishop of Bergamo, Italy |
22 Sep | | Born | Philipp Wilhelm von Bayern † | | Cardinal, Bishop-Elect of Regensburg, Germany |
Oct | | Ordained Bishop | Nicolas Fumée † | Bishop of Beauvais, France |
2 Oct | 62.7 | Died | Francisco Delgado López † | Bishop of Jaén, Spain |
7 Oct | 39.4 | Ordained Bishop | Cesare Camillo Ferrero † | Bishop of Savona, Italy | Bishop of Ivrea, Italy |
| Died | Johan Knijf, O.F.M. Obs. † | Bishop of Groningen, Netherlands |
24 Oct | | Appointed | Giovanni Battista Ansaldo † | Bishop of Cariati e Cerenzia, Italy |
| Appointed | Alfonso de Lorca † | Archbishop of Sassari, Italy |
26 Oct | | Appointed | Geoffrey de La Marthonie † | Bishop of Amiens, France |
2 Nov | | Born | Georges Chamberlain † | | Bishop of Ypres (Ieper), Belgium |
4 Nov | | Ordained Bishop | Giovanni Battista Ansaldo † | Bishop of Cariati e Cerenzia, Italy |
| Ordained Bishop | Giovanni Bernardino Grandopoli † | Bishop of Lettere (-Gragnano), Italy |
6 Nov | | Died | Andrea Matteo Acquaviva d’Aragona † | Archbishop of Cosenza, Italy |
12 Nov | 57.3 | Appointed | Giovanni Antonio Facchinetti de Nuce † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine | Pope (Roma {Rome}, Italy) |
| Appointed | Tommaso Gigli † | Bishop of Piacenza, Italy |
17 Nov | | Appointed | Antonio Bernardez, O.P. † | Auxiliary Bishop of Coimbra, Portugal |
| Appointed | Antonio Bernardez, O.P. † | Titular Bishop of Martyropolis | Auxiliary Bishop of Coimbra, Portugal |
19 Nov | 18.4 | Elevated to Cardinal | Andreas von Austria (Österreich) † | Cardinal, Bishop of Konstanz {Constance}, Germany |
60.8 | Appointed | François de Bourdeilles † | Bishop of Périgueux (Vesuna), France | Bishop Emeritus |
3 Dec | 54.9 | Appointed | Giovanni Ingegneri (Ingenerio) † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
4 Dec | | Died | Antonio Vialardi, O.S.B. † | Archbishop of Bourges, France |
10 Dec | 70.9 | Appointed | Jan Sienieński † | Archbishop of Lviv, Ukraine |
| Appointed | Scipione della Tolfa † | Archbishop of Trani, Italy | Archbishop of Acerenza e Matera, Italy |
12 Dec | | Born | Ambrogio Machin, O. de M. † | | Archbishop of Cagliari, Italy |
17 Dec | 59.8 | Appointed | Antonio Agustín † | Archbishop of Tarragona, Spain |
42.9 | Appointed | Adam Weisskopf † | Auxiliary Bishop of Wrocław (Breslau), Poland | Auxiliary Bishop Emeritus |
42.9 | Appointed | Adam Weisskopf † | Titular Bishop of Nicopolis ad Nestum | Auxiliary Bishop Emeritus of Wrocław (Breslau), Poland |
22 Dec | 18.9 | Professed | Gregorio de Alarcón, O.A.D. † | Member of Agostiniani Scalzi | Bishop of Santiago de Cuba |
59.9 | Died | Otto von Schaumberg † | Bishop-Elect of Hildesheim, Germany |
28 Dec | | Died | Benedetto Erba, O.P. † | Bishop of Casale Monferrato, Italy |