Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Pietro Alberini † | | Titular Archbishop of Nicomedia |
| Died | Luca Alemanni † | Bishop Emeritus of Volterra, Italy |
| Born | Otto Reinhold Andrimont, O.S.A. † | | Auxiliary Bishop Emeritus of Praha {Prague}, Czechia |
| Died | Vincenzo Bacallar † | Bishop of Bosa, Italy |
| Born | Gabriel de Blauza † | | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| Born | Johann Brassert † | | Auxiliary Bishop of Speyer, Germany |
| Born | John Brenan † | | Archbishop of Cashel, Ireland |
| Died | Francesco Bruschi, O.F.M. Conv. † | Bishop of Lettere (-Gragnano), Italy |
| Succeeded | Andrea Caputo † | Bishop of Lettere (-Gragnano), Italy |
| Born | Stefan Knezevic (Conti), O.F.M. Obs. † | | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
55.0 | Resigned | Giovanni Collesius, O.F.M. Obs. † | Coadjutor Bishop of Stefaniaco e Benda, Albania | Coadjutor Bishop Emeritus |
52.0 | Selected | Paul David a Felistal † | Bishop of Pécs, Hungary | Bishop of Veszprém, Hungary |
| Died | Zaccaria della Vecchia † | Bishop of Torcello (Turris), Italy |
| Born | Jakub Franciszek Dłuski, O.F.M. Conv. † | | Bishop of Bacău, Romania |
38.0 | Ordained Bishop | João da Rocha, S.J. † | Titular Archbishop of Hierapolis in Phrygia | Coadjutor Patriarch of Ethiopia |
| Died | Martín Fernández Portocarrero † | Bishop of Ciudad Rodrigo, Spain |
| Born | Paolo Filocamo † | | Bishop of Squillace, Italy |
| Appointed | Felice Franceschini, O.F.M. Conv. † | Minister General of Order of Friars Minor Conventual | Bishop of Andria, Italy |
| Died | Antonio de Francho, C.R. † | Bishop of Andria, Italy |
| Died | Raymund Galvin † | Bishop of Elphin, Ireland |
| Born | François de Barthélemy de Gramont de Lanta † | | Bishop of Saint-Papoul, France |
16.0 | Converted | György Jakusics † | Bishop of Eger, Hungary |
40.0 | Died | Stanislas Kiszka (Kyška) † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| Appointed | Lev Revuckyj Krevza † | Bishop of Smoleńsk (Ukrainian), Poland |
50.0 | Died | Nicolaus Lesdos (Ludosius) † | Bishop Emeritus of Milos (Melos), Greece |
| Born | Konstanty Samuel Lipski † | | Archbishop of Lviv, Ukraine |
43.0 | Died | Francesco Maria della Marra † | Bishop of Ascoli Satriano (Puglia), Italy |
25.0 | Ordained Priest | Heber MacMahon (McMahon) † | Priest | Bishop of Clogher, Ireland |
| Ordained Priest | Kaspar Münster, O. Carm. † | Priest of Order of Our Lady of Mt. Carmel | Auxiliary Bishop of Osnabrück, Germany |
| Died | Nicolaus Necansus, O.F.M. Obs. † | Bishop of Stefaniaco e Benda, Albania |
| Born | Johannes Baptista van Neercassel † | | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
66.0 | Appointed | Lorenzo Nieto y Corrales Montero Nieto, O.S.B. † | Archbishop of Cagliari, Italy |
| Died | Atanazy Pakosta † | Bishop of Chełm (Ukrainian), Poland |
| Born | Francesco Pannocchieschi d’Elci † | | Archbishop of Pisa, Italy |
68.0 | Resigned | Giovanni Luigi Pasolini, O.S.B. † | Bishop of Segni, Italy | Bishop Emeritus |
54.0 | Appointed | Panfilo Persico † | Bishop of Belluno, Italy |
| Died | Antonius de Pozega (Poseca), O.F.M. † | Bishop of Scardona (Skradin), Croatia |
| Born | Juan Pérez de Corcha † | | Bishop-Elect of La Paz, Bolivia |
44.0 | Resigned | Marco Antonio (Sebastianus) Quirino, O.S.C. † | Archbishop of Naxos, Greece | Archbishop Emeritus |
| Born | Tommaso Retani † | | Bishop Emeritus of Adria, Italy |
| Born | Juan Sáenz de Valatorre † | | Auxiliary Bishop of Burgos, Spain |
| Born | Camillus Sanseverino, C.R. † | | Auxiliary Bishop of Sabina, Italy |
52.0 | Died | Innocentius Serpa, C.R.L. † | Bishop of Pula (Pola), Croatia |
63.0 | Died | Varlerius Seta, O.S.M. † | Bishop of Alife, Italy |
55.0 | Selected | Agostino Solaro di Moretta † | Bishop of Saluzzo, Italy | Bishop of Fossano, Italy |
28.8 | Resigned | Gilles de Souvre † | Bishop of (Saint-Bertrand de) Comminges, France | Bishop of Auxerre, France |
| Born | Giovanni Battista Spínola † | | Archbishop of Genova, Italy |
| Born | Wojciech Stawowski † | | Auxiliary Bishop of Gniezno, Poland |
| Resigned | Lourenço de Távora, O.F.M. Obs. † | Bishop of Elvas, Portugal | Bishop Emeritus |
25.0 | Ordained Priest | Nikolaus Aliprandi de Thomasis † | Priest of Passau, Germany | Auxiliary Bishop |
| Born | Jerónimo Velasco y Mendoza, O.S.B. † | | Bishop of Alghero, Italy |
43.0 | Died | Etienne (Karl) Weinberger, O.F.M. † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| Born | Alexander Dunbar Winchester (Winster) † | | Prefect Emeritus of Scotland, Great Britain |
| Born | Andreas Zmajević † | | Archbishop of Bar (Antivari), Montenegro |
Jan | 43.0 | Died | Sébastien Le Bouthilier † | Bishop of Aire, France |
5 Jan | 41.0 | Ordained Bishop | Juan Arauz Díaz, O.F.M. † | Bishop of Guadix, Spain |
62.0 | Ordained Bishop | Diego Vela Becerril † | Bishop of Lugo, Spain | Bishop of Tuy, Spain |
9 Jan | 80.0 | Died | Antaldo degli Antaldi † | Bishop of Senigallia, Italy |
12 Jan | 56.1 | Ordained Bishop | Richard Smith † | Titular Bishop of Chalcedon | Vicar Apostolic Emeritus of England (and Wales), Great Britain |
22 Jan | | Born | Manoel Pereira, O.P. † | | Bishop Emeritus of São Sebastião do Rio de Janeiro, Brazil |
26 Jan | 55.1 | Appointed | Antonio (Marcello) Barberini (Sr.), O.F.M. Cap. † | Bishop of Senigallia, Italy | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
27 Jan | 45.0 | Appointed | Hyacinthus Arnolfini, O.F.M. Obs. † | Bishop of Milos (Melos), Greece |
| Appointed | Giovanni Maria Belletti † | Bishop of Gerace, Italy |
| Appointed | Gian Gerolamo Campanili † | Bishop of Isernia, Italy |
51.0 | Appointed | Giovanni Michele de Varolis, O.F.M. Conv. † | Bishop of Cefalonia e Zante, Greece | Bishop Emeritus |
37.0 | Appointed | Dominique de Vic † | Coadjutor Archbishop of Auch, France | Archbishop |
37.0 | Appointed | Dominique de Vic † | Titular Archbishop of Corinthus | Archbishop of Auch, France |
30 Jan | 60.0 | Died | Fabrizio Paolucci † | Bishop of Città della Pieve, Italy |
1 Feb | 60.0 | Died | Marino Bizzi (Bici) † | Archbishop Emeritus of Bar (Antivari), Montenegro |
| Born | Antonio de Martini † | | Bishop of Sagone (Sagona), France |
2 Feb | 55.2 | Ordained Bishop | Antonio (Marcello) Barberini (Sr.), O.F.M. Cap. † | Bishop of Senigallia, Italy | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
30.0 | Ordained Bishop | Daniel de La Mothe-Houdancourt † | Bishop of Mende, France |
19 Feb | 48.1 | Appointed | Giovanni Atzori † | Bishop of Bosa, Italy | Bishop-Elect |
| Appointed | Cristóbal de Lobera y Torres † | Bishop of Córdoba, Spain | Bishop of Plasencia, Spain |
54.1 | Confirmed | João Manuel de Ataíde † | Bishop of Coimbra, Portugal | Archbishop of Lisboa, Portugal |
| Appointed | Pietro de Marchi, O.P. † | Archbishop of Smirne, Turkey |
57.1 | Appointed | Alberto Rengjich di Ragusa, O.F.M. † | Bishop of Smederevo (Semendria), Serbia |
23 Feb | 45.1 | Ordained Bishop | Hyacinthus Arnolfini, O.F.M. Obs. † | Bishop of Milos (Melos), Greece |
24 Feb | 43.9 | Ordained Bishop | Anton Crosini von Bonporto † | Titular Bishop of Belline | Bishop of Brixen {Bressanone}, Italy |
35.1 | Ordained Priest | Mikołaj Krosnowski † | Priest | Archbishop of Lviv, Ukraine |
51.1 | Ordained Bishop | Giovanni Michele de Varolis, O.F.M. Conv. † | Bishop of Cefalonia e Zante, Greece | Bishop Emeritus |
28 Feb | | Born | Henri Van Halmaele † | | Bishop of Ypres (Ieper), Belgium |
Mar | 50.8 | Resigned | Giovanni Battista Pamphilj † | Apostolic Nuncio to Naples, Italy | Pope (Roma {Rome}, Italy) |
60.1 | Died | Michelangelo Seghizzi, O.P. † | Bishop of Lodi, Italy |
3 Mar | 67.1 | Appointed | Vincenzo Caputo † | Bishop of Andria, Italy |
| Appointed | Marco Giustiniani † | Bishop of Torcello (Turris), Italy | Bishop of Verona, Italy |
31.1 | Appointed | Rodolfo Rodolfi-Sforza † | Bishop of Pula (Pola), Croatia |
45.1 | Appointed | Celso (Giuliano) Zani, O.F.M. † | Bishop of Città della Pieve, Italy | Bishop Emeritus |
5 Mar | 50.1 | Selected | Hieronymus Otto Agricola † | Bishop of Brixen {Bressanone}, Italy |
7 Mar | 32.3 | Professed | Gregorio Panzani, C.O. † | Member of Confederation of Oratorians of St. Philip Neri | Bishop of Mileto, Italy |
9 Mar | | Ordained Bishop | Giovanni Maria Belletti † | Bishop of Gerace, Italy |
16 Mar | 78.8 | Died | Alfonso de la Mota y Escobar † | Bishop of Tlaxcala (Puebla de los Angeles), México |
17 Mar | 59.7 | Appointed | Juan Roco Campofrío, O.S.B. † | Bishop of Zamora, Spain | Bishop of Coria, Spain |
28 Mar | 68.2 | Died | Luigi Lollino † | Bishop of Belluno, Italy |
29 Mar | 49.2 | Selected | Jean de Plantavit de la Pause † | Bishop of Lodève, France | Bishop Emeritus |
30 Mar | 58.3 | Selected | José González Díez, O.P. † | Bishop of Pamplona, Spain | Archbishop of Burgos, Spain |
1 Apr | | Born | Johann Euchar von Schenk von Castell † | | Bishop of Eichstätt, Germany |
7 Apr | 41.2 | Appointed | Paolo Coccapani † | Bishop of Reggio Emilia, Italy |
49.2 | Appointed | Julián de Cortázar † | Archbishop of Santafé en Nueva Granada, Colombia |
31.0 | Appointed | Giacomo Theodoli (Teodolo) † | Archbishop of Amalfi, Italy | Bishop Emeritus of Forli, Italy |
50.1 | Appointed | Gerolamo Maria (Jacopo) Zambeccari, O.P. † | Bishop of Alife, Italy | Bishop Emeritus of Minervino Murge, Italy |
13 Apr | 41.2 | Ordained Bishop | Paolo Coccapani † | Bishop of Reggio Emilia, Italy |
43.2 | Ordained Bishop | Jakub Zadzik † | Bishop of Chelmno (Culma, Kulm), Poland | Bishop of Kraków, Poland |
19 Apr | 57.2 | Died | Nicolas Bourgoing † | Bishop of Coutances, France |
20 Apr | 31.0 | Ordained Bishop | Giacomo Theodoli (Teodolo) † | Archbishop of Amalfi, Italy | Bishop Emeritus of Forli, Italy |
50.1 | Ordained Bishop | Gerolamo Maria (Jacopo) Zambeccari, O.P. † | Bishop of Alife, Italy | Bishop Emeritus of Minervino Murge, Italy |
21 Apr | 44.3 | Appointed | Pompeo Coronini † | Bishop of Pedena, Austria | Bishop of Trieste, Italy |
40.3 | Appointed | Giovanni Maria Galli, O.F.M. † | Bishop of Santorini {Thira}, Greece |
29 Apr | | Born | Marco Antonio Marescotti † | | Bishop of Chiusi, Italy |
30 Apr | 57.7 | Selected | Pedro Apaolaza Ramírez, O.S.B. † | Bishop of Albarracin, Spain | Archbishop of Zaragoza, Spain |
49.7 | Selected | Fernando Valdés Llano † | Bishop of Teruel, Spain | Archbishop of Granada, Spain |
May | 48.3 | Appointed | Lorenzo Tramalli † | Apostolic Internuncio to Naples, Italy | Bishop of Gerace, Italy |
2 May | 50.3 | Confirmed | Hieronymus Otto Agricola † | Bishop of Brixen {Bressanone}, Italy |
3 May | 11.5 | Selected | Karol Ferdynand Vasa † | Bishop of Wrocław (Breslau), Poland | Bishop-Elect |
5 May | 37.3 | Appointed | Raffaele Schiattini † | Archbishop of Naxos, Greece |
8 May | | Born | Gasparo Carpegna † | | Cardinal, Prefect of the Roman Curia - Other |
10 May | 53.3 | Selected | Cristóbal Martínez de Salas, O. Praem. † | Bishop of Panamá |
16 May | 42.3 | Died | Joannes Franciscus Gniński † | Auxiliary Bishop of Poznań, Poland |
17 May | 72.3 | Died | Francisco Gómez Rojas de Sandoval † | Cardinal, Cardinal-Priest of San Sisto |
21 May | | Appointed | Clemente Gera † | Bishop of Lodi, Italy |
| Appointed | Félix Guzmán † | Bishop of Mallorca, Spain | Bishop-Elect |
25 May | 37.3 | Ordained Bishop | Dominique de Vic † | Titular Archbishop of Corinthus | Archbishop of Auch, France |
27 May | | Born | Giovanni Battista Amati † | | Bishop of Nocera Umbra, Italy |
2 Jun | 38.4 | Selected | Lucas García Miranda † | Bishop of Santa Marta, Colombia |
5 Jun | | Died | Félix Guzmán † | Bishop-Elect of Mallorca, Spain |
9 Jun | 33.4 | Appointed | Edmund Dungan † | Bishop of Down and Connor, Ireland |
40.4 | Appointed | Boetius Egan, O.F.M. Obs. † | Bishop of Elphin, Ireland |
62.4 | Appointed | Francesco Andrea Gelsomini, O.E.S.A. † | Bishop of Ascoli Satriano (Puglia), Italy |
50.4 | Appointed | Cosimo Mannucci † | Bishop of Terni, Italy |
40.4 | Appointed | John O’Cullenan † | Bishop of Raphoe, Ireland |
45.4 | Appointed | Hugh O’Reilly † | Bishop of Kilmore, Ireland | Archbishop of Armagh, Ireland |
63.4 | Appointed | Gabriel Trejo y Paniagua † | Cardinal, Archbishop of Salerno, Italy |
48.7 | Appointed | Francesco Venturi † | Bishop of San Severo, Italy | Bishop Emeritus |
11 Jun | 68.4 | Died | Marco Cornaro (Corner) † | Bishop of Padova {Padua}, Italy |
18 Jun | 60.4 | Selected | Miguel Ayala † | Bishop of Palencia, Spain | Bishop of Calahorra y La Calzada, Spain |
55.4 | Died | Agostino Solaro di Moretta † | Bishop of Fossano, Italy |
23 Jun | 76.3 | Died | Ottavio Accoramboni † | Archbishop Emeritus of Urbino, Italy |
24 Jun | 50.4 | Ordained Bishop | Hieronymus Otto Agricola † | Bishop of Brixen {Bressanone}, Italy |
65.4 | Died | Pietro Capullio, O.F.M. Conv. † | Bishop of Conversano, Italy |
26 Jun | | Born | Ludovico della Quadra † | | Bishop Emeritus of Mottola (Motula), Italy |
70.4 | Died | Luis Fernández de Córdoba † | Archbishop of Sevilla {Seville}, Spain |
29 Jun | | Ordained Bishop | Lev Revuckyj Krevza † | Bishop of Smoleńsk (Ukrainian), Poland |
60.0 | Ordained Bishop | Juan Roco Campofrío, O.S.B. † | Bishop of Zamora, Spain | Bishop of Coria, Spain |
30 Jun | 79.4 | Died | Pietro Lomellini, O.S.B. † | Bishop of Sagone (Sagona), France |