| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 86.0 | Died | Marcello Acquaviva † | Archbishop Emeritus of Otranto, Italy |
| Born | Bonifatius Albani, C.R.S. † | Bergomen | Archbishop of Split (Spalato), Croatia |
| Born | Théodore-Germain Allart, O.F.M. † | Sezannen | Bishop of Vence, France |
| 63.0 | Died | Diego de Arce, O.F.M. † | Bishop of Cassano all’Jonio, Italy |
| Born | Antonio de Azcona Imberto † | Estella, Spain | Bishop of Buenos Aires, Argentina |
| 71.0 | Died | Barzellino de’ Barzellini † | Bishop of Satriano e Campagna, Italy |
| Born | Pietro Bassdonna † | Venice, Italy | Cardinal, Cardinal-Deacon of Santa Maria in Domnica |
| Born | François de Batailler † | | Titular Bishop of Bethleem |
| Born | Giovanni Antonio Capobianco † | Franca | Bishop of Siracusa, Italy |
| Born | Giannicolò Conti † | Poli | Cardinal, Bishop of Ancona e Numana, Italy |
| Died | Giovanni Battista Costanzo † | Archbishop of Cosenza, Italy |
| Born | Louis d’Anglure de Bourlemont † | Anglure | Archbishop of Bordeaux, France |
| Born | Philibert-Emmanuel d’Angennes de Rambouillet † | Malicorne | Bishop of Le Mans, France |
| 50.0 | Resigned | Juan de Valle y Arredondo, O.S.B. † | Bishop of Guadalajara, Jalisco, México | Bishop Emeritus |
| Born | Giacomo Fantuzzi (Elefantucci) † | Ravennaten | Bishop of Cesena, Italy |
| 48.0 | Ordained Bishop | Miguel García Serrano, O.S.A. † | Bishop of Nueva Segovia, Philippines | Archbishop of Manila, Philippines |
| Born | Teodoro Gennaro, O.F.M. † | Vicentin | Bishop of Krk (Veglia), Croatia |
| 32.5 | Ordained Priest | Veit Adam Gepeckh von Arnsbach † | Priest of Freising, Germany | Bishop |
| Died | Arcangelo Gualtieri, O.F.M. † | Archbishop of Monreale, Italy |
| Born | Roger de Harlay de Cési † | | Bishop of Lodève, France |
| Born | Antonio Ibarra † | Burgen | Bishop of Cádiz, Spain |
| 57.0 | Died | Valerianus Łubieniecki, O.F.M. † | Bishop of Bacău, Romania |
| Born | Grégoire Lo(u) Wen-tsao (López), O.P. † | Lo kia hiang | Bishop of Nanking [Nanjing], China |
| 38.0 | Died | Vincenzo Martena † | Bishop of Senj, Croatia |
| Born | Francesco Martinelli, C.O. † | Palermo | Bishop of Patti, Italy |
| 63.0 | Resigned | Fernando Martins Mascarenhas † | Bishop of Faro {Algarve}, Portugal | Bishop Emeritus |
| Died | Gonçalo de Morais, O.S.B. † | Bishop of Porto, Portugal |
| Born | Niccolò Oliva, O.S.A. † | Praten | Bishop of Cortona, Italy |
| Born | John O’Mollony † | Killaloe | Bishop of Limerick, Ireland |
| Born | Gianlucido Palombara † | Roma | Bishop of Pesaro, Italy |
| Born | Marziale Pellegrino, O.F.M. Conv. † | Castrovillari | Titular Archbishop of Nazareth |
| Born | Carlo Piscina † | Taurini | Bishop of Saluzzo, Italy |
| Born | Luis de Pons y de Esquerrer, O.S.B. † | Mondai | Bishop of Solsona, Spain |
| Born | Mikołaj Jan Prażmowski † | | Archbishop of Gniezno, Poland |
| Died | Jerónimo Bernardo de Quirós, O. Praem. † | Bishop of Pozzuoli, Italy |
| Born | Louis de Rechiègne Voisin de Guron † | Anjou | Bishop of (Saint-Bernard de) Comminges, France |
| Born | Giovanni Riquelme † | | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Born | Paolo Emilio Rondinini † | Rome | Cardinal, Bishop of Assisi, Italy |
| Born | Giuseppe Spinucci † | Fermo | Bishop of Penne e Atri, Italy |
| Born | Francesco Tansi † | Materanen | Bishop of Nicastro, Italy |
| Died | Lourenço de Távora, O.F.M. † | Bishop of Funchal, Portugal |
| Died | Francisco Ugarte, O. Cist. † | Auxiliary Bishop of Zaragoza, Spain |
| Born | Cristoforo Vidman † | Venice, Italy | Cardinal, Cardinal-Priest of San Marco |
| Born | Federico Visconti † | Milan | Cardinal, Archbishop of Milano {Milan}, Italy |
| Born | Gerolamo Visconti † | Mediolanen | Bishop of Vigevano, Italy |
| Born | Adolph Gottfried Volusius † | Neu-Hanau | Auxiliary Bishop of Mainz, Germany |
| Born | Bernardo de Santa Maria Zuzarte de Andrade, C.R.S.A. † | Cantagnete, Portugal | Bishop of São Tomé e Príncipe |
| Jan | | Died | Orazio Giraldi † | Bishop of Comacchio, Italy |
| Born | Alvise Sagredo † | Venice | Patriarch of Venezia {Venice}, Italy |
| 5 Jan | 56.0 | Died | Sebastián Bricianos, O.F.M. † | Bishop of Orense, Spain |
| 9 Jan | | Appointed | Ireneo Brassavola, O.F.M. † | Bishop of Castro [del Lazio], Italy |
| 37.0 | Appointed | Giovanni Dominico Giaconi † | Bishop of Guardialfiera (Guardia), Italy |
| 14 Jan | | Born | Wilderich von Walderdorff † | Limburg | Bishop of Wien, Austria |
| 16 Jan | 57.8 | Died | Wolf Dietrich von Raitenau † | Archbishop Emeritus of Salzburg, Austria |
| 19 Jan | | Died | Francesco Bennio (de Butrio), O.S.M. † | Bishop of Ravello e Scala, Italy |
| 43.0 | Appointed | Henryk Firlej † | Bishop of Płock, Poland | Archbishop of Gniezno, Poland |
| 22 Jan | 37.1 | Ordained Bishop | Giovanni Dominico Giaconi † | Bishop of Guardialfiera (Guardia), Italy |
| 43.2 | Ordained Bishop | Francisco Hurtado de Mendoza y Ribera † | Bishop of Salamanca, Spain | Bishop Emeritus of Plasencia, Spain |
| 23 Jan | 36.8 | Appointed | Johann Paul (Giovanni Paolo) Ciurletti † | Auxiliary Bishop of Salzburg, Austria |
| 36.8 | Appointed | Johann Paul (Giovanni Paolo) Ciurletti † | Titular Bishop of Byblus | Auxiliary Bishop of Salzburg, Austria |
| 24 Jan | 47.1 | Died | Felipe Guimerá, O. de M. † | Bishop of Jaca, Spain |
| 29 Jan | 20.1 | Died | Giovanni Battista Civalli, O.F.M. Conv. † | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| 30 Jan | 38.1 | Appointed | Altobello Carissimi † | Bishop of Minervino Murge, Italy |
| 34.1 | Appointed | Nicolò Spínola, C.R. † | Bishop of Ventimiglia, Italy |
| 5 Feb | 43.3 | Ordained Bishop | Jacques Boonen † | Bishop of Gent {Ghent, Gand}, Belgium | Archbishop of Mechelen, Belgium |
| 8 Feb | 64.4 | Died | Carlo Broglia † | Archbishop of Torino {Turin}, Italy |
| 20 Feb | 45.1 | Appointed | Andrzej Lipski † | Bishop of Lutsk (Łuck), Ukraine | Bishop of Kraków, Poland |
| 24 Feb | 38.1 | Ordained Bishop | Altobello Carissimi † | Bishop of Minervino Murge, Italy |
| 34.1 | Ordained Bishop | Nicolò Spínola, C.R. † | Bishop of Ventimiglia, Italy |
| 27 Feb | | Appointed | Miguel Angel Zaragoza Heredia † | Bishop of Teano, Italy |
| 7 Mar | | Ordained Bishop | Miguel Angel Zaragoza Heredia † | Bishop of Teano, Italy |
| 9 Mar | 68.2 | Died | Juan Nicolás Valdés de Carriazo † | Bishop of Guadix, Spain |
| 10 Mar | | Born | Gregorio Carducci † | Roma | Bishop of Valva, Italy |
| 12 Mar | 46.4 | Ordained Bishop | Péter Pázmány, S.J. † | Cardinal, Archbishop of Esztergom, Hungary |
| 13 Mar | 55.2 | Appointed | Michele Bonzi, O.F.M. † | Bishop of Ravello e Scala, Italy |
| 27 Mar | 55.2 | Ordained Bishop | Michele Bonzi, O.F.M. † | Bishop of Ravello e Scala, Italy |
| 28 Mar | | Died | João da Gama † | Bishop of Miranda (do Douro), Portugal |
| 3 Apr | 41.3 | Appointed | Pierre Antoine Triest † | Bishop of Brugge {Bruges}, Belgium | Bishop of Gent {Ghent, Gand}, Belgium |
| 36.3 | Installed | Roberto Ubaldini † | Cardinal-Priest of San Matteo in Merulana | Cardinal, Bishop Emeritus of Montepulciano, Italy |
| 4 Apr | 37.0 | Ordained Bishop | Johann Paul (Giovanni Paolo) Ciurletti † | Titular Bishop of Byblus | Auxiliary Bishop of Salzburg, Austria |
| 6 Apr | | Born | Juan Bautista Desbach i Martorell † | Pollensa | Bishop of Urgell, Spain |
| 10 Apr | 41.3 | Appointed | Julián de Cortázar † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of Santafé en Nueva Granada, Colombia |
| 17 Apr | 44.3 | Appointed | Paolo Palumbo, C.R. † | Bishop of Cassano all’Jonio, Italy |
| 22 Apr | | Born | Giovanni Delfino † | Venice | Cardinal, Patriarch of Aquileia, Italy |
| May | | Died | Vitalianus Visconti Borromeo † | Titular Archbishop of Hadrianopolis in Haemimonto |
| 3 May | 58.3 | Died | Alexeu de Jesu de Meneses, O.S.A. † | Archbishop of Braga, Portugal |
| 29 May | | Born | Federico Borromeo (Jr.) † | Milan, Italy | Cardinal, Secretary of the Secretariat of State |
| Jun | | Resigned | Luca Alemanni † | Bishop of Volterra, Italy | Bishop Emeritus |
| Born | Lorenzo Mayers Caramuel, O. de M. † | Matriti | Bishop of Gaeta, Italy |
| 2 Jun | 55.4 | Installed | Gabriel Trejo y Paniagua † | Cardinal-Priest of San Pancrazio | Cardinal, Archbishop of Salerno, Italy |
| 12 Jun | 37.4 | Appointed | Bernardo Inghirami † | Bishop of Volterra, Italy |
| 52.4 | Appointed | Stephanus Penulatius, O.S.H. † | Bishop of Rethymo, Greece |
| Appointed | Alphonse Sacrati † | Bishop of Comacchio, Italy | Bishop Emeritus |
| 13 Jun | | Died | Horatius Acquaviva d’Aragona, O. Cist. † | Bishop of Caiazzo, Italy |
| 18 Jun | 52.5 | Ordained Bishop | Stephanus Penulatius, O.S.H. † | Bishop of Rethymo, Greece |
| 24 Jun | 50.5 | Died | Bonifazio Caetani † | Cardinal, Archbishop of Taranto, Italy |
| 25 Jun | 57.5 | Appointed | Bertrand d’Eschaux (de Chaux) † | Archbishop of Tours, France |
| 26 Jun | | Appointed | Petrus Pitarca, O.F.M. † | Bishop of Termia (Thermae), Greece |
| 60.5 | Appointed | Diego Torres Altamirano, O.F.M. † | Bishop of Cartagena, Colombia |
| 3 Jul | | Appointed | Paolo Emilio Santoro (Santorio) † | Archbishop of Cosenza, Italy | Archbishop of Urbino, Italy |
| 36.5 | Appointed | Roberto Ubaldini † | Cardinal-Priest of Santa Pudenziana | Cardinal, Bishop Emeritus of Montepulciano, Italy |
| 9 Jul | 41.5 | Ordained Bishop | Pierre Antoine Triest † | Bishop of Brugge {Bruges}, Belgium | Bishop of Gent {Ghent, Gand}, Belgium |
| 17 Jul | 47.5 | Appointed | Giovanni Battista Agatich, O.E.S.A. † | Bishop of Senj, Croatia | Bishop of Senj (-Modruš), Croatia |
| 49.3 | Resigned | Maffeo Barberini † | Bishop of Spoleto, Italy | Pope (Roma {Rome}, Italy) |
| Died | Charles de Bourgneuf de Cucé † | Bishop of Nantes, France |
| 45.5 | Appointed | Lorenzo Castrucci † | Bishop of Spoleto, Italy |
| Appointed | Fabrizio Landriani † | Bishop of Pavia, Italy |
| 30 Jul | 45.6 | Ordained Bishop | Lorenzo Castrucci † | Bishop of Spoleto, Italy |
| Appointed | Pedro de Valencia † | Bishop of La Paz, Bolivia |
| 31 Jul | 43.9 | Confirmed | Georg Friedrich Greiffenclau von Vollrads † | Bishop of Worms, Germany | Archbishop of Mainz, Germany |
| 8 Aug | | Died | François Rouxel de Médavy † | Bishop of Lisieux, France |
| 21 Aug | | Appointed | Luis Díaz Aux de Armendáriz, O. Cist. † | Bishop of Jaca, Spain | Bishop of Urgell, Spain |
| Appointed | Augustin Potier † | Bishop of Beauvais, France |
| 22 Aug | 20.6 | Ordained Priest | Pompeo Mignucci, O.S.H. † | Priest of Orden de San Jerónimo | Bishop of Acquapendente, Italy |
| 30 Aug | | Born | Hyacinthe Serroni, O.P. † | Rome | Archbishop of Albi, France |
| 1 Sep | 70.7 | Died | Juan Vigil de Quiñones y Labiada † | Bishop of Segovia, Spain |
| 3 Sep | | Ordained Bishop | Petrus Pitarca, O.F.M. † | Bishop of Termia (Thermae), Greece |
| 4 Sep | 49.7 | Appointed | Pedro de Perea (Pérez Díaz), O.S.A. † | Bishop of Arequipa, Peru |
| 9 Sep | 72.5 | Died | Julius Echter von Mespelbrunn † | Bishop of Würzburg, Germany |
| 10 Sep | | Ordained Bishop | Fabrizio Landriani † | Bishop of Pavia, Italy |
| Ordained Bishop | Alphonse Sacrati † | Bishop of Comacchio, Italy | Bishop Emeritus |
| 17 Sep | | Ordained Bishop | Augustin Potier † | Bishop of Beauvais, France |
| 18 Sep | | Appointed | Francisco de Castro † | Bishop of Guarda, Portugal | Bishop Emeritus |
| 55.7 | Appointed | Paolo Filomarino, C.R. † | Bishop of Caiazzo, Italy |
| 24 Sep | 55.7 | Ordained Bishop | Paolo Filomarino, C.R. † | Bishop of Caiazzo, Italy |
| 29 Sep | | Born | Lothar Friedrich von Metternich-Burscheid † | Burscheid | Archbishop of Mainz, Germany |
| Oct | | Born | Michelangelo Brancavalerio † | Roma | Bishop of Alatri, Italy |
| 2 Oct | | Died | Giovanni Andrea Carga, O.P. † | Bishop of Syros (e Milos), Greece |
| Appointed | Jerónimo Herrera Salazar † | Bishop of Guadix, Spain |
| Appointed | Giovanni Francesco Pozzo † | Bishop of Chiron, Greece |
| 42.2 | Appointed | Pedro Ruiz Valdivieso † | Archbishop (Personal Title) of Orense, Spain | Bishop |
| 5 Oct | 42.1 | Selected | Johann Gottfried von Aschhausen † | Bishop of Würzburg, Germany | Bishop of Bamberg, Germany |
| 22 Oct | 63.8 | Appointed | Guillaume Gifford, O.S.B. † | Auxiliary Bishop of Reims, France | Archbishop |
| 63.8 | Appointed | Guillaume Gifford, O.S.B. † | Titular Bishop of Arcadiopolis in Asia | Archbishop of Reims, France |
| 23 Oct | | Appointed | Guillaume du Vair † | Bishop of Lisieux, France |
| 12 Nov | 37.9 | Ordained Bishop | St. Jozafat Kuncewicz, O.S.B.M. † | Titular Bishop | Archbishop |
| 13 Nov | 45.0 | Appointed | Andrea Baroni Peretti Montalto † | Cardinal-Deacon of Sant’Eustachio | Cardinal, Cardinal-Bishop of Frascati |
| 75.2 | Appointed | Juan Bartolome de Bohórquez e Hinojosa, O.P. † | Bishop of Antequera, Oaxaca, México |
| 36.9 | Appointed | Girolamo de Franchis † | Bishop of Nardò, Italy | Archbishop of Capua, Italy |
| 43.9 | Appointed | Odoardo Farnese † | Cardinal-Deacon of Santa Maria in Via Lata | Cardinal, Cardinal-Bishop of Frascati |
| 50.9 | Appointed | Marcello Pignatelli, C.R. † | Bishop of Jesi, Italy |
| 55.0 | Appointed | Francesco Sforza † | Cardinal-Priest of San Matteo in Merulana | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 16 Nov | | Born | Leopoldo de’ Medici † | Florence, Italy | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 20 Nov | | Appointed | João Coutinho † | Bishop of Faro {Algarve}, Portugal | Archbishop of Évora, Portugal |
| 40.9 | Appointed | Gonzalo de Angulo, O.M. † | Bishop of Coro, Venezuela |
| 42.9 | Appointed | Ramón Ivorra † | Bishop of Perpignan-Elne, France |
| 67.9 | Appointed | Lorenzo Monzonís Galatina, O.F.M. † | Archbishop (Personal Title) of Pozzuoli, Italy | Bishop |
| 24 Nov | 76.9 | Died | Taddeo Sarti † | Bishop Emeritus of Nepi e Sutri, Italy |
| 26 Nov | 36.9 | Ordained Bishop | Girolamo de Franchis † | Bishop of Nardò, Italy | Archbishop of Capua, Italy |
| 50.9 | Ordained Bishop | Marcello Pignatelli, C.R. † | Bishop of Jesi, Italy |
| 27 Nov | | Died | Andrea Giustiniani, O.P. † | Bishop of Isola, Italy |
| 28 Nov | | Died | Francisco Martínez de Cenicero † | Bishop of Jaén, Spain |
| 4 Dec | | Appointed | François Lefèvre de Caumartin † | Coadjutor Bishop of Amiens, France | Bishop |
| Appointed | Stanisław Udrzycki (Udrycki) † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| Appointed | Stanisław Udrzycki (Udrycki) † | Titular Bishop of Argos | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 17 Dec | | Succeeded | François Lefèvre de Caumartin † | Bishop of Amiens, France |
| Died | Geoffrey de La Marthonie † | Bishop of Amiens, France |
| 18 Dec | 53.0 | Appointed | Jean Davy Du Perron † | Coadjutor Archbishop of Sens, France | Archbishop |
| 53.0 | Appointed | Jean Davy Du Perron † | Titular Archbishop of Heraclea in Europa | Archbishop of Sens, France |
| 21 Dec | | Died | Lucas Duran, O.S. † | Bishop of Albarracin, Spain |