Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Giovan Mario de Alessandri † | Bishop of Mileto, Italy |
| Born | Pedro Antón Serra † | | Bishop of Lérida, Spain |
| Born | Giovanni Battista Astalli † | | Bishop of Troia, Italy |
| Born | Augustinus Basrci (Bagesius), O.P. † | | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| Resigned | Paolo Bellardito † | Bishop of Lipari, Italy | Bishop Emeritus |
29.0 | Ordained Priest | Benedetto Benedetti † | Priest | Bishop Emeritus of Caorle, Italy |
| Born | Baldassarre Bonifazio † | | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
37.0 | Appointed | Martin Brenner † | Bishop of Seckau, Austria | Bishop Emeritus |
| Born | Celestino Bruni (Bruno), O.S.A. † | | Bishop of Boiano, Italy |
| Born | Cristoforo Caetani † | | Bishop of Foligno, Italy |
70.0 | Died | Nicolò Canelles (Canyelles) † | Bishop of Bosa, Italy |
| Died | Nunzio Antonio de Capriolis † | Bishop of Tricarico, Italy |
| Born | Krzysztof Charbicki † | | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| Born | Francesco Cherubini † | | Cardinal, Bishop of Senigallia, Italy |
| Resigned | William Chisholm † | Administrator of Vaison, France | Former Administrator |
| Resigned | Angelo Calepio, O.P. † | Bishop of Santorini {Thira}, Greece | Bishop Emeritus |
| Died | Pedro Coderos † | Archbishop of Otranto, Italy |
| Died | Gian Matteo Castaldo, O.S.B. † | Bishop of Pozzuoli, Italy |
| Died | Vincenzo de Doncelli (Donzelli), O.P. † | Bishop of Valva e Sulmona, Italy |
| Born | Boetius Egan, O.F.M. Obs. † | | Bishop of Elphin, Ireland |
| Born | Lelio Falconieri † | | Cardinal, Secretary of the Congregation of Bishops and Regulars |
60.6 | Resigned | Pietro Fauno Costacciaro † | Bishop of Acqui, Italy | Bishop of Vigevano, Italy |
| Born | Pietro Paolo Febei † | | Bishop of Bagnoregio (Bagnorea), Italy |
| Born | Guillaume Fouquet de la Varenne † | | Bishop of Angers, France |
| Born | Bartolomeo Frigerio † | | Bishop of Venosa, Italy |
| Born | Giovanni Maria Galli, O.F.M. † | | Bishop of Santorini {Thira}, Greece |
55.0 | Died | Paolo Giovio (il Giovane) † | Bishop of Nocera de’ Pagani, Italy |
| Died | Aloisio Giustiniani † | Patriarch of Aquileia, Italy |
| Died | Basilio Gradi, O.S.B. † | Bishop of Stagno (Ston), Croatia |
| Died | Alfonso Graniero Avalos † | Bishop of La Plata o Charcas, Bolivia |
48.0 | Resigned | Annibale Grassi † | Bishop of Faenza, Italy | Bishop Emeritus |
| Died | Giovanni Antonio Grignetta † | Bishop of San Marco (Argentano), Italy |
| Born | Stanislas Kiszka (Kyška) † | | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| Born | Martin Kolsdorf † | | Auxiliary Bishop of Wrocław (Breslau), Poland |
| Born | Fabio Lagonissa † | | Titular Patriarch of Antiochia {Antioch} |
24.0 | Ordained Priest | Johann Jakob von Lamberg † | Priest | Bishop of Gurk, Austria |
| Died | Jorge de Lemos, O.P. † | Bishop Emeritus of Funchal, Portugal |
| Born | Martín de León Cárdenas, O.S.A. † | | Archbishop of Palermo, Italy |
| Born | François de Loménie, O.P. † | | Bishop of Marseille, France |
| Died | Maurice MacBrien † | Bishop of Emly, Ireland |
94.0 | Died | Nicola Majorano (Maggiorani) † | Bishop Emeritus of Molfetta, Italy |
| Born | Acacio March de Velasco, O.P. † | | Bishop of Orihuela, Spain |
| Born | Giovanni Agostino Marliani † | | Bishop of Reggio Emilia, Italy |
| Born | Annibale Mascambruno † | | Bishop of Castellammare di Stabia, Italy |
| Born | Lourenço de Mendonça † | | Prelate Emeritus of São Sebastião do Rio de Janeiro, Brazil |
| Born | Martin Meurisse, O.F.M. † | | Auxiliary Bishop of Metz, France |
| Born | John O’Cullenan † | | Bishop of Raphoe, Ireland |
| Died | Paolo Odescalchi † | Bishop Emeritus of Penne e Atri, Italy |
| Died | Anselmo Olivieri, O.F.M. Obs. † | Bishop of Vieste, Italy |
| Born | Malachy O’Queely † | | Archbishop of Tuam, Ireland |
| Born | Ottavio Orsini † | | Bishop of Segni, Italy |
46.0 | Resigned | Fantino Petrignani † | Archbishop of Cosenza, Italy | Archbishop Emeritus |
| Died | Costantino Piccioni, O.S.A. † | Bishop of Cortona, Italy |
| Resigned | Giovanni Battista Pietralata † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy | Bishop Emeritus |
| Died | Adam Pilchowski † | Bishop of Chełm, Poland |
| Died | João de Portugal † | Bishop of Guarda, Portugal |
| Died | Tarquinio Prisco † | Bishop of Cariati e Cerenzia, Italy |
| Died | Alessandro Ravali † | Bishop of Nicastro, Italy |
| Born | Christophorus Johannes Reinheld von Reichenau † | | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| Appointed | Girolamo Riggio † | Prelate of Santa Lucia del Mela, Italy |
| Born | Sebastien de Rosmadec † | | Bishop of Vannes, France |
| Born | Alfonso Sacrati † | | Bishop Emeritus of Comacchio, Italy |
49.0 | Appointed | Filippo Spinola † | Administrator of Sora, Italy | Cardinal, Bishop Emeritus of Nola, Italy |
| Born | Alessandro (Fabrizio) Suardi † | | Bishop of Caserta, Italy |
| Born | Jan Tarnowski † | | Archbishop of Lviv, Ukraine |
| Born | Francisco Torres Grijalba, O.S.A. † | | Bishop of Mondoñedo, Spain |
| Ordained Bishop | Juan Esteban de Urbieta, O.P. † | Bishop of Telese o Cerreto Sannita, Italy | Bishop Emeritus |
| Died | Pedro Vélez Guevara † | Bishop of Ciudad Rodrigo, Spain |
| Born | Onorato Visconti † | | Titular Archbishop of Larissa in Thessalia |
| Died | Paolo da Zara, O.P. † | Bishop of Shkodrë (Scutari), Albania |
Jan | | Resigned | Giovan Luigi de Benedictis † | Bishop of Castellaneta, Italy | Bishop Emeritus |
| Died | Cesare Contardo † | Bishop of Sagone (Sagona), France |
5 Jan | | Born | Carlo Emmanuele Pio di Savoia † | | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
7 Jan | 23.7 | Appointed | Charles de Lorraine-Vaudémont (II) † | Bishop of Verdun, France | Cardinal, Administrator of Toul, France |
| Died | Sigismondo Saraceno † | Archbishop of Acerenza e Matera, Italy |
13 Jan | 55.0 | Ordained Bishop | Clément Graebbels (Crabeels) † | Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| Ordained Bishop | Scipione Gesualdo † | Archbishop of Conza, Italy |
47.0 | Ordained Bishop | Pierre Simons † | Bishop of Ypres (Ieper), Belgium |
14 Jan | | Appointed | Antoine Gaume † | Bishop of Saint-Paul-Trois-Châteaux, France |
| Appointed | Giovanni Luigi Marescotti, O.S.B. † | Bishop of Strongoli, Italy |
| Appointed | Ludovico Martelli † | Coadjutor Bishop of Chiusi, Italy | Bishop |
| Appointed | Ludovico Martelli † | Titular Bishop of Ioppe | Bishop of Chiusi, Italy |
43.2 | Resigned | Domenico Pinelli (Sr.) † | Bishop of Fermo, Italy | Cardinal, Bishop Emeritus |
49.9 | Installed | Niccolò Sfondrati † | Cardinal-Priest of Santa Cecilia | Pope (Roma {Rome}, Italy) |
53.7 | Installed | Agostino Valier (Valeri, Valieri) † | Cardinal-Priest of San Marco | Cardinal, Bishop of Verona, Italy |
| Appointed | Sigismondo Zanettini † | Bishop of Fermo, Italy | Archbishop of Fermo, Italy |
23 Jan | | Appointed | Pietro Clemens, O. Carm. † | Bishop of Ales e Terralba, Italy |
| Appointed | Diego Haëdo † | Bishop of Agrigento (Girgenti), Italy | Archbishop of Palermo, Italy |
| Appointed | Antonio Lombardo † | Archbishop of Messina, Italy |
26 Jan | 55.0 | Died | Robert de Berghes † | Bishop Emeritus of Liège, Belgium |
28 Jan | | Appointed | Diego Aponte Quiñones, O.S. † | Bishop of Oviedo, Spain | Bishop of Málaga, Spain |
| Appointed | Bernardo de Benedictis † | Bishop of Castellaneta, Italy |
38.8 | Confirmed | Anne d’Escars de Givry (de Pérusse), O.S.B. † | Bishop of Lisieux, France | Cardinal, Bishop of Metz, France |
31 Jan | | Died | Vincenzo Luchi (di Luca) † | Bishop of Ancona e Numana, Italy |
71.0 | Died | Benito Tocco, O.S.B. † | Bishop of Lérida, Spain |
Feb | 46.5 | Resigned | Alberto Bolognetti † | Apostolic Nuncio to Poland | Cardinal, Bishop of Massa Marittima, Italy |
4 Feb | | Appointed | Domingo de Ulloa, O.P. † | Bishop of Nicaragua | Bishop of Michoacán, México |
11 Feb | 37.1 | Appointed | Wojciech Baranowski † | Bishop of Przemyśl, Poland | Archbishop of Gniezno, Poland |
24 Feb | 64.3 | Appointed | Alessandro Farnese (Jr.) † | Administrator of Ancona e Numana, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Ordained Bishop | Vincenzo Torfanini † | Bishop of Rimini, Italy |
25 Feb | | Appointed | Alfonso Herrera, O.S.A. † | Bishop of Ariano, Italy |
6 Mar | 91.1 | Died | Giovanni Tommaso Sanfelice † | Bishop of Venosa, Italy |
8 Mar | | Appointed | Péter Herešinec (Heressinczy) † | Bishop of Zagreb (Agram), Croatia | Bishop of Győr (Raab), Hungary |
12 Mar | | Ordained Bishop | Bernardo de Benedictis † | Bishop of Castellaneta, Italy |
18 Mar | | Appointed | Crisostomo Arneo, O.S.B. † | Bishop of Stagno (Ston), Croatia |
| Appointed | Gian Antonio Grassi † | Bishop of Faenza, Italy |
20 Mar | 54.2 | Died | Jorge de Almeida † | Archbishop of Lisboa, Portugal |
31 Mar | | Ordained Bishop | Diego Aponte Quiñones, O.S. † | Bishop of Oviedo, Spain | Bishop of Málaga, Spain |
| Ordained Bishop | Diego Haëdo † | Bishop of Agrigento (Girgenti), Italy | Archbishop of Palermo, Italy |
3 Apr | 75.2 | Died | Thomas Goldwell, C.R. † | Bishop of Saint Asaph, Wales, Great Britain |
10 Apr | 83.2 | Died | Ugo Boncompagni † | Pope (Roma {Rome}, Italy) |
20 Apr | 58.3 | Died | Mikołaj Pac † | Bishop Emeritus of Kyiv (Kijów), Ukraine | Bishop |
23 Apr | 37.3 | Ordained Bishop | Wojciech Baranowski † | Bishop of Przemyśl, Poland | Archbishop of Gniezno, Poland |
24 Apr | 63.3 | Elected | Felice Peretti Montalto, O.F.M. Conv. † | Pope (Roma {Rome}, Italy) |
25 Apr | | Born | Diego Arce Reinoso † | | Bishop Emeritus of Plasencia, Spain |
29 Apr | | Died | Charles d’Ailleboust † | Bishop of Autun, France |
1 May | 39.0 | Ordained Bishop | Anne d’Escars de Givry (de Pérusse), O.S.B. † | Bishop of Lisieux, France | Cardinal, Bishop of Metz, France |
63.3 | Installed | Felice Peretti Montalto, O.F.M. Conv. † | Pope (Roma {Rome}, Italy) |
59.1 | Died | Niccolò Caetani di Sermoneta † | Cardinal, Administrator of Capua, Italy |
3 May | 34.4 | Died | Heinrich von Sachsen-Lauenburg † | Archbishop-Elect of Bremen (and Hamburg), Germany |
5 May | 37.3 | Ordained Bishop | Martin Brenner † | Bishop of Seckau, Austria | Bishop Emeritus |
53.3 | Ordained Bishop | Georg Stobäus von Palmburg † | Bishop of Lavant, Slovenia |
9 May | 40.3 | Appointed | Kyrylo (Cyryl) Terletskyi (Terlecki) † | Bishop of Lutzk e Ostrog (Ukrainian), Ukraine |
10 May | 35.7 | Appointed | Ferdinando de’ Medici † | Cardinal-Deacon of Sant’Eustachio | |
| Appointed | Marco Antonio del Tufo † | Bishop of San Marco (Argentano), Italy | Bishop of Mileto, Italy |
| Appointed | Giovanni Ambrosio Fieschi † | Apostolic Nuncio to Savoy | Bishop Emeritus of Savona, Italy |
62.1 | Resigned | Vincenzo Lauro † | Apostolic Nuncio to Savoy | Cardinal, Bishop Emeritus of Mondovi, Italy |
13 May | | Appointed | Francesco Carusi, O.F.M. Conv. † | Bishop of Valva e Sulmona, Italy |
14.3 | Elevated to Cardinal | Alessandro Damasceni Peretti † | Cardinal, Cardinal-Bishop of Albano |
| Appointed | Marino Querini † | Bishop of Concordia (Sagittaria), Italy |
15 May | | Born | Giovanni Pietro Volpi † | | Bishop of Novara, Italy |
16 May | 47.9 | Died | Guido Luca Ferrero † | Cardinal, Bishop Emeritus of Vercelli, Italy |
17 May | 46.8 | Died | Alberto Bolognetti † | Cardinal, Bishop of Massa Marittima, Italy |
18 May | 30.4 | Selected | Ernst von Bayern † | Bishop of Münster, Germany | Archbishop-Elect of Köln {Cologne}, Germany |
| Died | François de La Valette † | Bishop of Vabres, France |
22.9 | Resigned | Johann Wilhelm von Jülich-Kleve-Berg † | Bishop-Elect of Münster, Germany | Former Bishop-Elect |
19 May | 57.5 | Died | Tomás Dacio (d’Anio) † | Bishop of Orihuela, Spain |
| Ordained Bishop | Marino Querini † | Bishop of Concordia (Sagittaria), Italy |
20 May | | Appointed | Stanislaw Bosovius † | Auxiliary Bishop of Płock, Poland |
| Appointed | Stanislaw Bosovius † | Titular Bishop of Lacedaemonia | Auxiliary Bishop of Płock, Poland |
62.2 | Installed | Rodrigo de Castro Osorio (de Lemos) † | Cardinal-Priest of Santi XII Apostoli | Cardinal, Archbishop of Sevilla {Seville}, Spain |
22.9 | Installed | François de Joyeuse † | Cardinal-Priest of San Silvestro in Capite | Cardinal, Archbishop of Rouen, France |
62.1 | Installed | Vincenzo Lauro † | Cardinal-Priest of Santa Maria in Via | Cardinal, Bishop Emeritus of Mondovi, Italy |
| Appointed | Giovanni Gerolamo Manerio † | Bishop of Venosa, Italy |
62.4 | Appointed | Andrzej Patrycy Nidecki † | Bishop of Wenden (Windau), Poland |
| Appointed | Silvio Passerini † | Archbishop of Cosenza, Italy |
35.0 | Installed | Simeone Tagliavia d’Aragonia † | Cardinal-Deacon of Santa Maria degli Angeli | Cardinal, Cardinal-Bishop of Sabina |
23 May | 58.2 | Died | Marcin Gerstmann † | Bishop of Wrocław (Breslau), Poland |
2 Jun | 45.4 | Appointed | Giulio Rossino † | Apostolic Nuncio to Naples, Italy | Archbishop of Amalfi, Italy |
34.8 | Resigned | Silvio Savelli † | Apostolic Nuncio to Naples, Italy | Cardinal, Cardinal-Priest of Santa Maria in Via |
3 Jun | 41.4 | Appointed | Jerónimo Barreto † | Bishop of Faro {Algarve}, Portugal |
63.4 | Appointed | Afonso de Castelo-Branco † | Bishop of Coimbra, Portugal |
| Appointed | Silvio Galassi † | Bishop of Ferentino, Italy |
5 Jun | 38.6 | Selected | Dietrich von Fürstenberg † | Bishop of Paderborn, Germany |
10 Jun | | Died | Girolamo Diedo † | Bishop Emeritus of Crema, Italy |
14 Jun | 14.4 | Installed | Alessandro Damasceni Peretti † | Cardinal-Deacon of San Girolamo dei Croati | Cardinal, Cardinal-Bishop of Albano |
17 Jun | | Died | Fernando Rueda † | Bishop of Islas Canarias {Canary Islands}, Spain |
22 Jun | 38.1 | Resigned | Lorenzo Campeggi † | Apostolic Nuncio to Venice, Italy | Bishop of Cervia, Italy |
55.4 | Appointed | Cesare Costa, C.O. † | Apostolic Nuncio to Venice, Italy | Archbishop of Capua, Italy |
24 Jun | 24.1 | Installed | Charles de Lorraine-Vaudémont (II) † | Cardinal-Deacon of Santa Maria in Domnica | Cardinal, Administrator of Toul, France |
25 Jun | | Died | Cesare Gromis † | Bishop of Aosta, Italy |
28 Jun | 70.4 | Died | Felipe Urríes Urríes, O.P. † | Bishop of Barbastro, Spain |